TWI229042B - Hinge system for combination hand truck, step ladder and dolly device - Google Patents

Hinge system for combination hand truck, step ladder and dolly device Download PDF

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Publication number
TWI229042B
TWI229042B TW92127358A TW92127358A TWI229042B TW I229042 B TWI229042 B TW I229042B TW 92127358 A TW92127358 A TW 92127358A TW 92127358 A TW92127358 A TW 92127358A TW I229042 B TWI229042 B TW I229042B
Authority
TW
Taiwan
Prior art keywords
frame
ladder
trolley
pin
hook
Prior art date
Application number
TW92127358A
Other languages
Chinese (zh)
Other versions
TW200420460A (en
Inventor
Mitchell H Babkes
Original Assignee
Sylmark Holdings Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/412,610 external-priority patent/US6880835B2/en
Application filed by Sylmark Holdings Ltd filed Critical Sylmark Holdings Ltd
Publication of TW200420460A publication Critical patent/TW200420460A/en
Application granted granted Critical
Publication of TWI229042B publication Critical patent/TWI229042B/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/397Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B1/00Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
    • B62B1/002Hand carts having only one axis carrying one or more transport wheels; Equipment therefor convertible from a one-axled vehicle to a two-axled vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B1/00Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
    • B62B1/10Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels
    • B62B1/12Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels involving parts being adjustable, collapsible, attachable, detachable, or convertible
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B1/00Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
    • B62B1/26Hand carts having only one axis carrying one or more transport wheels; Equipment therefor characterised by supports specially adapted to objects of definite shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B1/00Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
    • B62B1/26Hand carts having only one axis carrying one or more transport wheels; Equipment therefor characterised by supports specially adapted to objects of definite shape
    • B62B1/262Hand carts having only one axis carrying one or more transport wheels; Equipment therefor characterised by supports specially adapted to objects of definite shape the objects being of elongated shape, e.g. fishing rods, golf clubs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/10Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by supports specially adapted to objects of definite shape
    • B62B3/102Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by supports specially adapted to objects of definite shape the objects being of elongated shape, e.g. rods or golf clubs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/10Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by supports specially adapted to objects of definite shape
    • B62B3/108Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by supports specially adapted to objects of definite shape the objects being plates, doors, panels, or the like
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/387Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders having tip-up steps
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/39Ladders having platforms; Ladders changeable into platforms
    • E06C1/393Ladders having platforms foldable with the ladder
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/14Holders for pails or other equipment on or for ladders
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/16Platforms on, or for use on, ladders, e.g. liftable or lowerable platforms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00Accessories or details specially adapted for hand carts
    • B62B5/08Children's seats ; Seats or supports for other persons
    • B62B5/085Resting seats

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Ladders (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Handcart (AREA)

Abstract

One embodiment of the present invention provides a multi-use move, lift, and support device. The device is made of a step ladder frame containing a plurality of steps and a hand truck frame, At least one hinge pivotally connects the step ladder frame to the hand truck frame, An anti-wobble hook may be used to lock the frames in a step ladder configuration. The hook is moved in position by the force of gravity.

Description

1229042 五、發明說明(1) 相關申請資料 鱼國專利申請N〇.10/412,610,標題為”手推 車,階梯及轆車·,,2003,4,11提出共同申請之—巧八 申明亦豆布美國臨時專利申請化,6〇/479, 9〇2,標 進之手推車,階梯及轆車之組合"2〇〇3,6, 19提 :、, 國臨時專利申請No, 6 0/496, 356,標題為"組合手推嵐,吳 梯及轆車之安全特性” 2〇〇3, 8, 18提出之權利。 白 發明範圍 本發明’-般關於多用途手推|,特別關 其可固定-手推車框架於一階梯框架於一 = 手推車或台車之用。 ^ 阳梯 發明背景 私人及商業使用之手推車,台車及階梯已久 此種裝置通常用·以移動,抬起及支撐負荷於各種任^ 仃。準此,此種裝置之需求及理想性自不待言而 明。 ’而δ凡 私人手推車,台車及階梯裝置近年曾有不同之# 事實上,此種裝置已被結合成單一裝置,#美國專;: 6, 173,811揭不之手推車階梯及載籃車之組合,美專y·、 號碼4, 1 0 6, 590揭示之組合手推車及階梯,及美國 碼3, 954, 1 55及美國專利號碼3, 1〇4, 889之手推車等所^ 示。 但,此等組合裝置通常無法提供用戶各別裝置之&八 功能實施例。組合多功能於單一裝置之任務如不犧牲 1229042 五 '發明說明(2) _ 功能以交換增加之組合為單一裝置之便利,甚 如,專利889之手推車不具備在台車 直立把。例 僅有台車構型中之三個小輪’及在手推車構型直中立未把手, ΪίΪί支柱之鎖㊣。進-步之例為,專利155之階二 車構型中並無直立把手,及專利5 9 0中之έ且人 J及::梯需要一裝置以自手推車構型轉換為階梯構。型手 ΓΛ二?匕外,專利590之階梯構型被限於負荷,复# 鎖具,尤4:=座框架總成及階梯支座框架總成之 八在手推車構型使用時為甚。 決之U ί合手推’’階梯及台車工業中存在-未解 統可將裝置固定於某一U…發揮功能,及樞紐系 本發明概述 置。ΐίί*貫施例提供—多用途移動’抬起及支撑裝 車框架。1 = 構成’包括複數個階梯及-手推 利用—反震動3、、丑旋轉連接階梯框架至手推車框架。可 力移動定位。 以鎖住階梯構型中之框架。該鉤具由重 "^發"明另_ 框架。頂部階描6 ^括一頂部階梯,其旋轉連接至階梯 因此使裝置開鎖[旋轉時可自樞紐將反震動鉤具脫離, 本發明另一特性包括實際上J形反震動鉤具。本發明 第6頁 12290421229042 V. Description of the invention (1) Relevant application materials Fish country patent application No. 10 / 412,610, titled "Handcart, Staircase and Stroller ·", 2003,4,11 Filed a joint application-Qiaoba declaration also bean cloth U.S. Provisional Patent Application, 60/479, 902, Standard Combination of Trolley, Ladder, and Trolley " 2003, 6, 19: ,, National Provisional Patent Application No. 6 0/496 , 356, titled " Safety Features of Combination Hand Push Lan, Wu Lai, and Cars ", 2003, 8, 18 right. White Scope of the Invention The present invention is generally related to a multi-purpose push trolley, and is particularly concerned with its fixability-a trolley frame on a step frame to a trolley or trolley. ^ Sun Ladder Background of the Invention Trolleys, trolleys and stairs for private and commercial use have been used for a long time. Such devices are commonly used to move, lift and support loads in various tasks. Given this, the need and ideality of such devices are self-evident. 'And δ where private trolleys, trolleys, and ladder devices have been different in recent years # In fact, this device has been combined into a single device, #US special ;: 6, 173,811 unveiled combination of trolley stairs and basket carts, The combination trolleys and ladders disclosed by US Patent No. 4, 1 0 6, 590, and the trolleys of US code 3,954, 1 55 and US patent number 3,104,889 are shown. However, these combined devices usually cannot provide & eight-function embodiments of the user's individual devices. The task of combining multiple functions in a single device is not to sacrifice 1229042 Five 'invention description (2) _ The convenience of the function to increase the combination of a single device, for example, the cart of the patent 889 does not have the upright handle on the trolley. For example, there are only three small wheels in the trolley configuration, and straight and neutral handles in the trolley configuration. An example of a further step is that there is no upright handle in the second car configuration of the patent 155, and the man and the J :: ladder in the patent 590 need a device to convert from the cart configuration to the step configuration. In addition to the model hand, the stepped configuration of the patent 590 is limited to the load, the compound # lock, especially 4: = the seat frame assembly and the stepped support frame assembly eight, when the trolley configuration is used. The U-hand push ’s step and the trolley-existing-unsettled system can fix the device to a certain U ... to function, and the hub system. ΐίί * consistent example provides—multi-purpose movement ’to lift and support the loading frame. 1 = Composition ’includes a number of steps and-hand push use-anti-vibration 3, ugly rotation to connect the step frame to the trolley frame. Can be moved and positioned. To lock the frame in the ladder configuration. The hook has a heavy " ^ 发 " Ming another frame. The top step 6 includes a top step, which is rotationally connected to the step, thereby unlocking the device [the anti-vibration hook can be disengaged from the pivot when rotated. Another feature of the present invention includes actually a J-shaped anti-vibration hook. The invention Page 6 1229042

又一特性 銷子固定 本發 裝置。該 車框架。 接階梯框 之支架。 於缺口中 中之框架 部以固定 包括该反震動鉤具 在搞紐支架之缺口 明另一實施例提供 裝置由一階梯框架 一銷子可連接至手 推車框架。 架至手 該支架 而予以 。該鉤 銷子於 包括至少一 修改。一反 具由重力移 缺口中。 ’其將連接至手推車框 溝槽内。 另一多用途移動,抬起 構成,包括複數個階梯 推車框架。至少一樞紐 該樞紐可包括一具有弓 缺口俾裝置之構型可將 震動鉤具可用以鎖住階 動至定位及部分包圍銷 及支指 及手拍 旋轉達 形表面 銷子置 梯構型 子之底 本發明另一實施例提供一階梯裝置。該裝置由一階梯 框架構成,包括複數個階梯及一手推車框架。一銷子可連 接至手推車框架。至少一樞紐旋轉連接階梯框架至手推車 框架。該樞紐可.包括一支架。該支架包括至少一缺口以便 裝置之構型可由將銷子置於缺口中而修改。一反震動鉤具 可用以在階梯構型中鎖住框架。該鉤具由重力移動至定 位,及部分包住銷子之底部四週以將銷子固定在缺口中。 以上以一般方法說明,現在參考伴隨圖式,該等圖式Another feature is that the pin fixes the hair device. The car frame. Connected to the bracket of the ladder frame. The frame portion in the notch is fixed to include the anti-vibration hook. The notch of the button bracket is provided in another embodiment. The device is connected to the trolley frame by a stepped frame and a pin. Hold it to your hand. The hook pin includes at least one modification. The reverse is moved into the gap by gravity. ’It will connect into the groove of the trolley frame. Another multi-purpose mobile, lifted construction includes a number of stepped cart frames. At least one hub. The hub may include a configuration with a bow notch device. The vibrating hook can be used to lock the step to position and partially surround the pin and fingers and the hand-patterned rotary surface pin. The bottom of another embodiment of the present invention provides a step device. The device is composed of a step frame, including a plurality of steps and a trolley frame. A pin can be attached to the cart frame. At least one pivot is rotatably connected to the step frame to the cart frame. The hub may include a bracket. The bracket includes at least one notch so that the configuration of the device can be modified by placing pins in the notch. An anti-vibration hook can be used to lock the frame in a stepped configuration. The hook is moved into position by gravity and partially surrounds the bottom of the pin to secure the pin in the notch. The above is explained in a general way. Now refer to the accompanying drawings, which are

並未合比例。 詳細說明Not in proportion. Detailed description

本發明將以參考圖式詳細說明,其中並未示出本發明 所有實施例。事實上,本發明可嵌入 任何不同型式,不限於公布之實施例;反之,此等實施例 之製備俾此一揭示可適用於法律需要。全圖式中相同號碼The present invention will be described in detail with reference to the drawings, in which not all embodiments of the present invention are shown. In fact, the present invention can be embedded in any of different types and is not limited to the disclosed embodiments; on the contrary, the preparation of these embodiments and the disclosure can be applied to legal needs. Same number in full schema

^ 7頁 1229042^ P. 7 1229042

代表相同組件。 本發明提供一多用彳令孩& I,. A由夕用途移動,抬起及支撐裝置,即一紐 a式手推車’台車及階播狀番。4日4忐丄 手推車“鱼及㈣姐: 據本發明之裝置提供- 手推f,:車及階梯裝置為單一設計之全部功能: 幸二易於細作及可自_構型轉換為其他構型 : 明如包括於此揭示内將屬太繁,:以 纆盔勺扛鉍祖-寺貝軛例及用途,但因解 釋為〇括所,揭不之所有觀念及原理。 參考第1圖本發明之多用途裝置1 〇以-手推車構型予 ?,。該多用途裳置包含一階梯框架12及一手單推構:框予乘 銷子枢紐16旋轉連接至階梯框架12 ’俾可繞旋轉 該階梯框架—12包括第一延長腳2〇及第二延長腳22,由 U形把手24在第一端互聯。俾可繞旋轉銷子丨8旋轉 構件26及27將延長腳2〇,22在ϋ形把手24相對之遠端互 聯。一階梯總成28旋轉連接至延長腳2〇,22間之階梯框架 12。該階梯總成28包括二個下端階梯3〇,31及頂部階梯、 32,所有階梯由連接構件34互聯而 。連接構件34在二側旋轉連接至每一階頂 部階梯32旋轉時階梯30及31亦隨後以諧調方式旋轉,稍後 將參考階梯實施例進一步討論。第一對小輪4〇在接近 ^手24之第一端連接至階梯框架12。第二對小輪“在接近 橫構件26之第二端連接至階梯框架丨2。此等小輪可為任何 β又片但較佳為每造焊接小腳輪。 ’ 1229042 五、發明說明(5) 及第第1二V兒明之實施例中,第-對小輪4〇之每-小輪 第;小輪42由-套管連接在框架12上,套管裝在框加 1中之S框架12旋轉。框架12内備-彈簀按鈕以嗜合套Ϊ !二”使小輪定位。小輪必須鎖住定位之位置由 向1轉 明’第-對小輪4°在裝置丨。為手推車構型時 框加架14包括—橫構件5G接近樞域近之手推車 c木之第一%,及一把手橫構件52在第一段反面之手 1架I』之第二端。一旋轉安裝之支撐板“連接在手推車竿 端’以便在利用裝置1〇為手推車構型時,支撐欲 抬起或載運之貨物。 。又访右人 參考第2A圖-第,其中支揮板54在下方位置(第2八 ϋ直立儲存位置時之詳細說明。支撐板54包括鎖住裝 置56以將階梯框架12及手推車框架14固定一起,如在、 車構型時一樣。說明實施例中之鎖住裝置56包含一板Μ, 其有:舌部60於-邊緣及一鉤具62於側緣。如第2α圖說 明,當支撐板54在下方位置時,舌部6〇與階梯框架12 構件27墙合以便在作為手推車構型時,將階梯框架! 2固^ 於手推車框架14。如第2B圖所說明,當支撐板54在直立 存位置時,鉤具62嚙合階梯框架12之橫構件27,以便在 推車構型時將手推車框架丨4與階梯框架丨2固定一起。 參考第3圖,彈簧夾64係連接在手推車框架14上以 收及容納支撐板54於直立儲存位置。準此,可利用磁鎖存 1229042 五、發明說明(6) 器以取作彈簧夾6 4。倍 曰 可固定在手推車框架“ j多連接之支架 向直立位置移動時,磁鐵―=該=板 即’將階梯框架3 f手圖推車裝植置力”可構型為-手推車, 每-框架之延長腳為彼此平於之處’故 車框架14可由鎖住裝置56固〜 一 ° 、白 匡采1 2及手推 架14及階梯框架固12固定疋―起。為協助將手推車框 至少之-側。鎖存器70;;二起’ 一鎖住器70備於裝置 所望固定一起。了為任何不同型式以將二框架,如 在說明實施例中,德左奕、7Λ $ 梯框架12及手推車框為一重力鎖存器’其在階 行…當轉換.為台 可使手推車框架14旋轉至定位而成一:手:。自仃開啟’ 哀置1 0在手推車構型時,可/ 移動之貨物之下,之後旋轉把手24牙板置於待抬起或 離開貨物以便繞第二對小於4 9 起。貨物於是可以帛i 轉该裝置,因而將貨物抬 所望i ί :: 小輪4 2滾動裝置1 〇後被移動至- 面。 後,抬起程序可予反轉以將貨物降低至地 參考第4Α圖-第4Ε圖,一條板箱8〇可與裝置 二: = 貨物。根據本發明,條板箱8。可為任 何適當結構設計’以連接至裝置i。並由其載運。例如= 第10頁 1229042 五、發明說明(7) 拆下,板箱曾揭示於美專利號碼4,789,3〇4,其可予以修 改=1括-繫緊裔8 2以將條板箱固定於裝置工〇。在一實施 ::t第4C圖說明,繫緊器82可構型為-夾具連接至條 垃=^與條板箱8〇模製在一起。該夾具包C形缺口83以、 接收亚摩擦方式容納手推車框架14。另一設計中,可Represents the same component. The present invention provides a multi-purpose commander & I ,. A for moving, lifting, and supporting devices from evening use, that is, a button a-type trolley ' trolley and stepped fan. 4th 4th wheelbarrow "Fish and Sister: Provided by the device of the present invention-hand push f ,: the car and the ladder device are all designed with a single function: Fortunately, it is easy to make and can be converted from other configurations to other configurations: If Ming is included in this disclosure, it will be too complicated: carry the bismuth ancestral snail shell yoke example and application with the helmet and spoon, but because it is explained as 0, all concepts and principles cannot be revealed. Refer to Figure 1 of the present invention The multi-purpose device 10 is designed in a -cart configuration. The multi-purpose dress includes a step frame 12 and a single push structure: the frame is connected to the pin pivot 16 and is connected to the step frame 12 '. The step frame-12 includes a first extension leg 20 and a second extension leg 22, which are interconnected at the first end by a U-shaped handle 24. 俾 Rotating members 26 and 27 can rotate the rotation pins 26 and 27 Interconnected at the opposite distal ends of the knob handles 24. A step assembly 28 is rotatably connected to the step frame 12 between the extension legs 20 and 22. The step assembly 28 includes two lower steps 30, 31 and a top step 32, 32 , All steps are interconnected by a connecting member 34. The connecting member 34 is rotationally connected to each of the two sides The steps 30 and 31 are then rotated in harmony when the step top step 32 rotates, which will be discussed further with reference to the step embodiment later. The first pair of small wheels 40 is connected to the step frame 12 at the first end near the hand 24. Two pairs of small wheels "are connected to the step frame 2 near the second end of the cross member 26. These casters can be any β-piece but are preferably welded casters. '1229042 V. Description of the invention (5) and the first and second embodiments of the invention, the first pair of small wheels 40 and the second small wheels; the small wheel 42 is connected to the frame 12 by a sleeve, and the sleeve The S frame 12 housed in the frame plus 1 rotates. The frame 12 has a built-in pop-up button with an inclination sleeve! Two "to position the small wheel. The small wheel must be locked in position from 1 to the 'first-pair' small wheel 4 ° in the device. The time frame plus frame 14 includes-the first member of the handcart c5 near the pivot member 5G near the pivot area, and the second end of the handcart 1 "on the opposite side of the first section of a hand. A support plate for rotation installation "Connected to the pole end of the cart 'to support the goods to be lifted or carried when the device 10 is configured as a cart. . Refer again to Figure 2A for the right person, in which the support plate 54 is in the lower position (the detailed explanation of the second storage position in the upright position. The support plate 54 includes a locking device 56 to fix the step frame 12 and the trolley frame 14 Together, as in the car configuration. The locking device 56 in the illustrated embodiment includes a plate M, which includes: a tongue 60 at the edge and a hook 62 at the side edge. As illustrated in Figure 2α, when When the support plate 54 is in the lower position, the tongue 60 is wall-mounted with the step frame 12 member 27 so that when it is configured as a trolley, it is fixed to the trolley frame 14. As illustrated in FIG. 2B, when the support plate When the 54 is in the upright storage position, the hook 62 engages the cross member 27 of the ladder frame 12 to fix the trolley frame 丨 4 and the ladder frame 丨 2 together when the trolley is configured. Referring to FIG. 3, the spring clip 64 is connected to The trolley frame 14 is used for receiving and accommodating the support plate 54 in an upright storage position. For this purpose, a magnetic latch 1229042 can be used. V. Description of the invention (6) The device can be used as a spring clip 64. It can be fixed to the trolley frame "j When the multi-connected bracket moves to an upright position, the magnetic ― = This = board means that “the planting force of the step frame 3 f cart cart” can be configured as a cart, and each frame's extension feet are flat with each other '. Therefore, the vehicle frame 14 can be locked by a locking device 56 Fixed ~ 1 °, Bai Kuangcai 12 and push frame 14 and step frame fixed 12 are fixed together. To assist the trolley frame at least-side. Latches 70 ;; two lockers 70 are prepared in the device The hope is fixed together. For any different type, the two frames, such as in the illustrated embodiment, De Zuoyi, 7Λ $ ladder frame 12 and the trolley frame are a gravity latch 'which is in the step ... when converted. The trolley frame 14 can be rotated to be positioned into one: hand: .self-opening, and set aside. 10 When the trolley is configured, it can be moved under the goods, and then the rotary handle 24 is placed on the tooth to be lifted or left. In order to get around the second pair less than 4 9. The goods can then turn the device, so the goods can be lifted and looked at i ί :: small wheel 4 2 after the rolling device 10 is moved to the-side. Later, the lifting procedure can be Reverse to lower the cargo to the ground. Refer to Figure 4A-Figure 4E. A crate 80 can be connected with the device. : = Goods. According to the invention, the crate 8. Can be designed for any suitable structure to be connected to the device i. And carried by it. For example = page 10 1229042 5. Description of the invention (7) The crate was removed Revealed in U.S. Patent No. 4,789,304, which can be modified = 1-Tie 8 2 to secure the crate to the installation worker 0. One implementation :: t Figure 4C illustrates the tie 82 It can be configured as follows: the clamp is connected to the slat = ^ and molded with the crate 80. The C-shaped notch 83 of the clamp package accommodates the trolley frame 14 in a sub-friction manner. In another design,

如第4D圖-第4F圖所說明,其中之繫緊器之構型 =夕卜之辨形物84 ’具有弓形外壁85其可接 J 長腳。此外,弓形外壁85包括隙縫心 η P其連接在手推車框架12之面向表面,如第 ,第4F圖所不。此一構型可提供條板箱⑽ 緊密固定,此點在某一應用時甚為理想。 〇之 思Μ ί Ϊ第Λ圖,裝置1〇以一階梯構型說明。裝置10可甚 、為梯構型’即’將側鎖存謂打開及啟動支 ’ 汗Μ手推車框架1 4可由鎖住機構1 0 2與階梯框_ Μ鎖住定位。該鎖住機構1G2在說明之實施“ 階梯總成28之旋轉安裝之頂部階梯32 3 議(見第丨圖),該溝槽在旋轉至水平位置:;3二= 推車框架14之橫構件50(見第!圖),如第5圖及第收 不。該鎖住機構102進一步包括一對環狀臂1〇6自 斤 32,遠端延伸。環狀臂1〇6之構型可導引橫構件5〇進。 溝104,並防止階梯架12及手推車框架14不致旋轉 日 更遠。槽溝104之構型可接納橫構件5〇俾防止階 汗 及手推車框架14一起旋轉。作為一安全特性 二: 第11頁 Ϊ229042 五、發明說明(8) Y 2初次旋轉成一水平位置以鎖住階梯框架1 2及手推車框架 ^於定位,環狀臂106在第一位置丨08(見第6圖)與橫構件 声’合,俾該頂部階梯32(及階梯30,31)在一不適當之角 ^ ^因此不安全。一預定大小之力於是加在頂部階梯3 2之 $端’以便使橫構件5 〇通過環狀臂;i 〇 6及進入槽溝1 〇 4之 臂1 η如上所提’一旦橫構件5〇已被接納於槽溝104,還狀 離μ 6/Ρ行操作以防止手推車框架1 4意階梯框架1 2旋轉而 碉較理想為遠,此時為階梯構型。 ,接構件34於一端旋轉連接於座位3〇,31及旋轉連接 梯30二階梯以二另一端’階梯3〇,31,32之同時旋轉。階 1 2,& j/ 31每一均係在二側旋轉連接至階梯支撐框架 時,=圖祝明。當頂部階梯30放下至橫構件50之位置 卩白梯3 0,3 1實際上為水平並由橫構件在一端支 探,該階梯即繞i旌艟 _ ^ ^ ^ . 細叉 端。 八靛轉,該構件由連接構件34裝在一相反 在第5圖說明之每& + 42以與上述稍微不同y 對小輪40及第二對小輪 別連接至U形支架丨Γ接至1梯框架1 2。小輪總成特 架1 2之延長腳上、,:該支架由一螺釘或卯釘裝在階梯框 異,因為其限制可動所熟知。此-設計特別優 梯框架12將小輪拆除:芊ίϊ m固定螺釘及可自階 參考第7圖 ^ 系應用時甚為理想。 置於與地面方向,,俾不裝置10為台車構型。裝置10可將其 型。將裝置10以此方^輪40,42與地接觸而成為台車構 式置於地面,鎖存器7〇自動釋放,而 五、發明說明(9) 走轉銷子18旋轉成一垂直方向,與階梯框架 成90度角β在此構型時,把手橫構件52以台 ί以置10之運動及方向。台車支撐棒二 Τ ώ Μ Αά,^λ框木於直立位置。例如,台車支撐棒120 △ 爻轉/接至手推車框架14。如第^圖說明, 二=0包括υ形扣緊122。當台車支撐咖向階梯 手f t二端旋轉時,υ形扣緊122接納階梯框架12之把 何水平2設計之構型可使把手橫構件52接納任 離。 向之力’而不致使台車支撐棒120與把手24分 延長:ί使用時,台車支撐棒120可旋轉至手推車框架14 == 之Λ置:將其儲存’如第8Α圖-第8Β圖所說明。 稀塑料製成’或其他滑塑料,並由 【im方法;定於手推車框架“上。停止器m 二車支^凹卩::於一犬出舌部之間,一舌部延伸足可包圍 防止其被推過停止器124,>請圖所示。 型使用之可拆:―』9匕其中說明-與裝置1。於不同構 面130以容納或支樓工;::例第:;下盤130有-工作表 134 ’其構型可可容納小形工件;:32 了包括凹處 =備於盤13〇之一端以接納或固定乍工 在逋同Jit*或清洗設備。㉟口 138備於盤130之側壁以 在逋同構型時,將盤固定於裝置1〇上。 ^ 參考第9β圖,顯示盤1 3 0位於頂部階梯3 2時與 1229042 五、發明說明(10) 裝置10在階梯構型時之應用。缺口 架12之橫構件50,及旋轉連、38接、,内手推車支撐框 之橫構件。如必要日夺部階梯32至階梯框架“ 以進一步固定盤1 30於裝置\ 〇上,農口j 38可包括橫向隙縫 可被接納於隙縫中以防止盤13q H =個橫構件 參考第9C圖,顯示盤13。在旋轉。 1〇在台車構型時之使用。缺口U8 = :^28 土日-,與裝置 梯3〇,3i,32相關之橫構件,接又6十為接納與每一階 可固定盤13·0於定位。如上所述,^梯框术14 ’因而 隙縫以進一步固定盤13 :或::缺口m可包括 丙烯,聚乙烯及適人材料兩,較為盤13〇利用聚 施例與裝㈣共用。該可拆下盤⑸包 5一2 2 接= 形構型之中央,凹處亦可為狀:處= ,,回形及橢圓,亦可位於盤150上表面之不同點,及/ 位於盤1 5 〇之部分1 5 4上。缺口 1 6 〇備於般1 ς η · 二 盤15。於裝置10上。缺口二Ί於盤150之側壁以固定 !。之橫構件以進一步將二一定包括隙縫162以屬合裝置 參考第10B圖,顯示盤150與裝置1〇在階梯構型之丘 用。此構型中,隙縫162接納與階梯總成28之頂部階梯U H之橫構件,而第二缺口 16G接納手推車框架12之橫構 。盤150之第二部分154在第一部分152下面旋轉,故As shown in Fig. 4D-Fig. 4F, the configuration of the tie-down device = Xibu's discriminator 84 'has an arcuate outer wall 85 which can be connected to J long feet. In addition, the arcuate outer wall 85 includes a slot core ηP, which is connected to the facing surface of the trolley frame 12, as shown in Figs. 4F. This configuration provides tight crates 条, which is ideal for an application. 〇 之 思 Μ ί Figure Λ, the device 10 is explained in a stepped configuration. The device 10 can even be in a ladder configuration, that is, "open the side latches and open the support". The sweat cart frame 14 can be locked and positioned by the locking mechanism 102 and the step frame. The implementation of the locking mechanism 1G2 in the description of the "rotary installation of the ladder assembly 28 top ladder 32 3 (see Figure 丨), the groove is rotated to the horizontal position :; 32 = the cross member of the cart frame 14 50 (see Fig.!), As shown in Fig. 5 and Fig. 5. The locking mechanism 102 further includes a pair of ring arms 106 extending from the weight 32 to the distal end. The configuration of the ring arms 106 can be Guide the cross member 50 into the groove 104, and prevent the step frame 12 and the trolley frame 14 from rotating farther. The configuration of the groove 104 can receive the cross member 50 to prevent the step sweat and the trolley frame 14 from rotating together. As A safety feature 2: Page 11Ϊ229042 V. Description of the invention (8) Y 2 is first rotated into a horizontal position to lock the ladder frame 12 and the trolley frame ^ for positioning, and the ring arm 106 is in the first position 丨 08 (see Fig. 6) The sound of the cross-member is combined with the top step 32 (and the steps 30, 31) at an inappropriate angle ^ ^ and therefore unsafe. A force of a predetermined magnitude is added to the $ end of the top step 32 So that the cross member 50 passes through the ring-shaped arm; i 〇6 and the arm 1 into the groove 1 〇4 as mentioned above. 50 has been received in the groove 104, and is still operated away from the μ 6 / P row to prevent the trolley frame 14 and the ladder frame 12 from rotating, which is ideally far away. At this time, it is a ladder configuration. One end is rotationally connected to the seat 30, 31 and the rotary connection ladder 30. The two steps are rotated at the same time as the other end 'stairs 30, 31, 32. Each of the steps 1 & 2, j / 31 is rotationally connected on the two sides. When it comes to the support frame of the ladder, = Picture Zhuming. When the top ladder 30 is lowered to the position of the cross member 50, the white ladder 3 0, 3 1 is actually horizontal and is supported by the cross member at one end. _ ^ ^ ^. Fine fork end. Eight indigo turn, the member is installed by the connecting member 34 in the opposite of each & + 42 illustrated in Figure 5 to slightly different from the above y pair of small wheels 40 and a second pair of small wheels Do not connect to the U-shaped bracket 丨 Γ to 1 ladder frame 12 2. The small wheel assembly special frame 12 is on the extension foot of the bracket: The bracket is mounted on the ladder frame by a screw or nail, because it restricts the movable place Well-known. This is a specially designed ladder frame 12 to remove the small wheel: 芊 ίϊ m fixing screws and self-referencing Figure 7 ^ Ideal for application . Placed in the direction of the ground, the device 10 is a trolley configuration. The device 10 can be shaped. The device 10 contacts the ground with the wheels 40, 42 to form a trolley structure. 70. Automatic release, and 5. Description of the invention (9) The turning pin 18 rotates in a vertical direction and forms a 90-degree angle β with the stepped frame. In this configuration, the handle cross member 52 is set to 10 to move and Orientation. Trolley support rod 2 Τ Α ΑΑ, ^ λ frame wood in an upright position. For example, the trolley support rod 120 △ 爻 turn / connect to the trolley frame 14. As illustrated in Figure ^, two = 0 includes υ-shaped fastening 122. When the trolley supporting coffee is rotated toward the two ends of the stepped hand f t, the υ-shaped fastening 122 receives the horizontal frame 2 of the stepped frame 12 so that the handle cross member 52 can be received freely. To the force 'without causing the trolley support rod 120 and the handle to be extended for 24 minutes: When used, the trolley support rod 120 can be rotated to the trolley frame 14 == Λ: store it' as shown in Figure 8A-8B Instructions. Made of thin plastic 'or other sliding plastic, and [im method; fixed on the trolley frame ". Stopper m two car support ^ concave: between a tongue out of a dog, a tongue extension foot can surround Prevent it from being pushed through the stopper 124, > please show as shown in the figure. The model can be used detachably: ― 9 dagger which is described-and the device 1. In a different facet 130 to accommodate or support workers ;: Example: The lower plate 130 has-work table 134 'its configuration can accommodate small workpieces ;: 32 including recess = prepared at one end of the plate 13 to receive or fix the first work in the same Jit * or cleaning equipment. ㉟ 口 138 Prepared on the side wall of the tray 130 to fix the tray to the device 10 in the same configuration. ^ Referring to Figure 9β, it shows that the tray 1 30 is located on the top step 32 and 1229042. 5. Description of the invention (10) Device 10 Application in the step configuration. The cross member 50 of the notch frame 12 and the cross member of the rotary joint, 38, and the inner trolley support frame. If necessary, take the step 32 to the step frame to further fix the tray 1 30 On the device \ 〇, the farm mouth j 38 may include a transverse slot may be received in the slot to prevent the disc 13q H = one horizontal Referring first to FIG member 9C, display panel 13. Rotating. 10 Used in the trolley configuration. The gap U8 =: ^ 28 Turi-, a cross member related to the device ladders 30, 3i, 32, and then 60 for receiving the fixed disk 13.0 at each stage for positioning. As described above, the ladder frame 14 is used to further fix the disc 13: or: the gap m may include acrylic, polyethylene, and a suitable material. The disc 13 uses a polymer to share the decoration. The removable disc bag 5-2 2 is connected to the center of the shape configuration, and the recess can also be shaped: the position =, the shape and ellipse can also be located at different points on the upper surface of the disc 150, and / is located on the disc Part of 15 0 on 15 4. The gap 16 is prepared in the same way. On the device 10. The notch 2 is fixed on the side wall of the tray 150 to fix!. The horizontal member must further include the slit 162 to belong to the device. Referring to FIG. 10B, the display plate 150 and the device 10 are used in a stepped configuration. In this configuration, the slot 162 receives the cross member of the top step U H of the step assembly 28, and the second notch 16G receives the cross structure of the trolley frame 12. The second part 154 of the disk 150 rotates under the first part 152, so

1229042 五、發明說明(π) — 第二部分154之遠端被台車支撐棒丨2〇 形扣緊122所接 納。因為停止器124上延伸之舌部,其保持台車支撐棒12〇 不致通過手推車框架12,盤150之第一部分152可支撐相當 部分之重量’不致傾斜或使裝置丨〇翻倒。 田 第10C圖中,盤150顯示與裝置1〇在台車構型之應用。 與以上盤之實施例一樣,盤1 5 0之側壁之缺口丨6 0接納盥階 梯總成28之階梯30,31,32相關之橫構件,因此將盤/5() 固定在裝置1 0。 參考第11A圖-第lie圖,其中說明一可拆下座位18〇以 便與裝置1 0在階梯構型使用。座位1 8 〇包括一模製座位台 182及支撐184。模製座位台182包括一弓形座位服務, 及上方階梯撐條1 8 8及一下方階梯撐條1 9 0。上方階梯撐條 之構型可延伸並包圍階梯總成28之一階梯3 1,而下方階梯 撐條1 9 0之構型可位於並抵住下方階梯3 〇。準此,模製座 位台1 8 2可與階梯總成2 8匹配,以支撐一用戶坐在座位表 面186之上。為額外之支撐,支撐結構184可連接至模製座 位台1 8 2。在顯示實施例中,支撐1 8 4包括一彎成u形之金 屬或紹管固定在模製座位台1 8 2之底部,如第11 b圖所示。 但支撐結構184可一傳統方式連接至座位,或與模製座位 台182為一體。第iic圖顯示座位180連接在裝置1〇之階梯 構型時之總成。此實施例中,座位180置於下方階梯30, 31之上,再將其下降俾上方階梯撐條1 8 8與下方階梯撐條 1 9 0嚅合各別上方及下方階梯3 1,3 2。 參考第1 2圖,其‘中說明樞鈕1 6之另一實施例。此實1229042 V. Description of the invention (π)-The distal end of the second part 154 is received by the trolley support rod 20-shaped buckle 122. Because of the tongue extending on the stopper 124, it prevents the trolley support rod 12 from passing through the trolley frame 12, and the first portion 152 of the tray 150 can support a considerable portion of the weight 'without tilting or tipping the device. In Figure 10C, the disk 150 shows the application of the device 10 in the configuration of the trolley. As in the above embodiment of the plate, the notch in the side wall of the plate 150 receives a cross member related to the steps 30, 31, 32 of the step ladder assembly 28, so the plate / 5 () is fixed to the device 10. Referring to Figures 11A-lie, a removable seat 18 is illustrated for use with the device 10 in a staircase configuration. The seat 180 includes a molded seat table 182 and a support 184. The molded seat base 182 includes an arched seat service, and an upper step brace 188 and a lower step brace 190. The configuration of the upper step brace may extend and surround one of the steps 31 of the ladder assembly 28, and the configuration of the lower step brace 190 may be located against the lower step 30. In this way, the molded seat 1 2 8 can be matched with the step assembly 2 8 to support a user sitting on the seat surface 186. For additional support, a support structure 184 may be connected to the molded seat 182. In the illustrated embodiment, the support 184 includes a metal or braided tube bent into a u-shape and fixed to the bottom of the molded seat 182, as shown in Fig. 11b. However, the support structure 184 may be attached to the seat in a conventional manner or may be integrated with the molded seat base 182. Figure iic shows the assembly when seat 180 is connected to the stepped configuration of device 10. In this embodiment, the seat 180 is placed on the lower steps 30, 31, and then lowered. The upper step stays 1 8 8 and the lower step stays 1 9 0 are combined with the respective upper and lower steps 3 1, 3 2 . Reference is made to Figure 12 which illustrates another embodiment of the hub 16. This real

第15頁 1229042 五、發明說明(12) 施例中,樞鈕2 1 6旋轉固定在階梯框架1 2及手推車概架 1 4,其方式與樞鈕1 6相同。但樞鈕2 1 6包括隙縫道2 1 8以接 納一銷子220,其在第一端旋轉連接至手推車框架14。銷 子220在第二端被樞鈕216之隙縫道218接納,故可在其中 滑動。銷子220可固定在隙縫道218中,其方法為精於此技 藝人士所熟知,如由一固定在銷子之螺帽或夾子。 準此’裝置1 0為階梯構型時,銷子2 〇 〇位於第一位置 2 2 2 ’其可限制階梯框架1 2與手推車框架1 4間移動之角 度。此‘安备措施可防止階梯意外地落下。在台車構型 時,銷子220位於第二位置224,其可限制階梯框架12與手 推車框架14之分離。最後,當為手推車構型時,銷子22〇 位於第三位置226。此第三位置226為中間位置,銷子在階 梯及台車構型時必須通過其間。因此樞鈕2 1 6可單獨操作 或與本發明其他特性組合操作,以提供裝置1 〇之安全操 作,特別在階梯構型時為甚。 —a參考第13圖,第14圖,說明樞鈕16之另一實施例。此 實施例中,樞鈕316旋轉固定在階梯框架12及手推車框架 1 4上,其方式與樞紐1 6相同。但樞紐1 6包括彈簧負之 留鎖存器32〇。鎖存器32〇連接在手推車框架,、並包括 =個相對彈簀負載按鈕322。樞鈕316為一u形而具有二平 二側邊324每一側邊324包括一新月形隙縫326以接納各 按鈕3 2 2。準此,樞鈕3丨6可提供一裝置以限制階梯框架1 2 f手推車框架14間移動之角度,因而可防止階梯框架意外 洛地。利用裝置1 〇 一側之樞鈕3 i 6已足夠,雖然在某一“情Page 15 1229042 V. Description of the invention (12) In the embodiment, the hinge 2 1 6 is rotated and fixed on the step frame 12 and the trolley frame 14 in the same way as the hinge 16. But the hub 2 1 6 includes a slot channel 2 1 8 to receive a pin 220 which is rotatably connected to the cart frame 14 at the first end. The pin 220 is received at the second end by the slot 218 of the hinge 216, so that it can slide therein. The pin 220 may be fixed in the slot channel 218 by a method well known to those skilled in the art, such as by a nut or clip fixed to the pin. When the 'device 10 is in a stepped configuration, the pin 2 00 is located in the first position 2 2 2', which can limit the angle of movement between the stepped frame 12 and the trolley frame 14. This ‘security measure prevents the stairs from falling accidentally. In the trolley configuration, the pin 220 is located in the second position 224, which limits the separation of the step frame 12 from the trolley frame 14. Finally, when in the trolley configuration, the pin 22 is in the third position 226. This third position 226 is an intermediate position, and the pin must pass therethrough when the ladder and the trolley are configured. Therefore, the hub 2 1 6 can be operated alone or in combination with other features of the present invention to provide a safe operation of the device 10, especially in a stepped configuration. —A Referring to FIG. 13 and FIG. 14, another embodiment of the hub 16 will be described. In this embodiment, the hinge 316 is rotatably fixed on the step frame 12 and the trolley frame 14 in the same manner as the hinge 16. But the hub 16 includes a spring-loaded retention latch 32. The latch 32 is connected to the trolley frame and includes a relative impeachment load button 322. The pivot 316 is U-shaped and has two flat sides. Each side 324 includes a crescent-shaped slot 326 to receive each button 3 2 2. In this way, the hinge 3 丨 6 can provide a device to limit the angle of movement between the step frame 12 and the cart frame 14, thereby preventing the step frame from accidentally falling. It is sufficient to use the hub 3 i 6 on the side of the device 1 〇

第16頁 1229042 五、發明說明(13) 況下,裝置之二側均含樞鈕甚為理想。 可被ί?型一台車,相對之彈簧負載之按糾22 俾,、不再伸出進入隙縫326中。此可使手枱直 =14被置於與階梯框如細度角1協 推車加 ^3247Λν V" ^ ^ ^330 ^ ^ -3lt ί : i金直;r力各邊、,彖。槽溝330之構型可接納按鈕322及在自手 推車框架移1 4向階梯框牟】? ± 、炎^ Μ夕廿上 乎 322在手推車框牟時’逐漸將其自㈣下。按紐 被釋放 接進階梯框架12而.與隙縫㈣接觸時 τΊ5圖’說明迴路臂1〇6之另-實施例。迴路臂 6。可:適合方式如以印釘,連接在階梯總成之頂部= w :坦路臂1 06而言,操作迴路臂1 06以固定頂部階梯32 於橫構件50之設計係與迴路臂⑽之相同方式耗梯32 與施ίΐ第I6圖-第21圖’說明枢紐16之另一實施例。此 貝 中,樞鈕16包括一υ形支架528,其部分包圍及固定 在階梯框架12上。U形支架528及丰始奉y加u丄圍及口 :532所連接,二框架12,14繞該銷 木:疋= 弓形表面52°,具有對應之缺口灿= Γ匡ί14: ’以ί納銷526之相反端,銷子係連接在手推車 η木μ i 口備於說明實施例之每一弓形表面52〇之 上,如僅有一或多於二個缺口亦在本發明範圍之内。缺口 可位於每一支架528之一側,或位於每一支架528之二侧 上,及適於本發明之應用均屬可行。當手推車框 梯框架12相對移動時,弓形表面52q可使銷子5_滑渡= 第17頁 1229042 五、發明說明(14) 缺口 522a與522b之間。 手推車框架1 4之之孔隙,未示出,銷子5 3 2貫穿裝於 其上,並有一隙縫以提供手推車框架14與銷子532間之一 小量之徑向移動。此舉可使銷子52 6缺口 5223及5221)中移 出及移入。在另一實施例中,該手推車框架14未備有銷子 532之隙縫,銷子526可為一彈簧負冑,俾銷子526可被壓 下,以使銷子526在缺口 522a及522b間通過。此外,手推 = =14與鎖子532之相對運動可為彈晉負載,俾销子聊 被考向缺d 522a及522b。 ^ f置10之構型由缺口 522a或522b中銷子526之位置決 疋。:裝置構型為階梯時’如在第j 6圖_第 5P2 I / ^ ^ ^526 ° - ^ ^ ^ ^ 0 ^ 於= 522a中以防止裝置1〇脫落。鉤具5 29凝轉連接至支架528 ’其方式可使在裝置=子 時,鉤具530自動鎖住銷子526於缺口 52^中 自缺口522a脫出。釣具53〇之構型可在重力下而防止至、 鎖住位置。或者,鉤具530可為 ,動至 f ’ :而鎖住手推車框架1 4及階梯框架^相具二^ m裝置於一固定構型。_旦鉤具53〇移動進入動 位,裝置1 0即被鎖住在階梯構型。 形構型如所說明,★其他適形狀其;可為一 J 脫出即可。 一 J防止銷子自缺口 522a 為了自階梯構型移除該襄置, 脫離。鉤具530自銷子526脫離方式=蔣、須自銷子526 A 了 a由將頂部階梯32自 第18頁 1229042 五、發明說明(15) 橫構件52抬起,及將頂部階梯32上升至直立位置如第19圖 所不。特別是,位於頂部階梯32遠端之一向外伸出臂534 與鉤具530之垂直延伸536嚙合,並使鉤具53〇自銷子526旋 轉離開,因而使銷子526自缺口 522a脫離。或者,釣具53〇 可被致動以自銷子526旋轉離開,如以按鈕或把手連接至 -或多個釣具530。#具53〇可用在階梯裝置之樞紐516之 一側或二側,如所討論之組合裝置。 當銷子526自支架528脫離時,手推車框架"可與階梯 框架1 2相對運動成為一手推車構型或台車構型。如第2〇圖 所不,手推車框架14可被移動俾銷子526自缺口 522a移動 =缺口 522b。缺口 522b提供裝置1〇之台車構型。缺口 522b 較缺口 522a為寬以使手推車構型在推位置(直立)及拉位 (下方位置)間之定位。必要時,缺口5m可與缺口Μ。相 同大小。如圖21.所示,鉤具53〇之延伸536提供一扁平表面 以支樓在台車構㈣,頂部階梯32不致過度旋轉。最後, 樞紐516亦包括接線夾連接在手推車框架14, 銷子526及鉤具53。不致過負荷,及提供相 支援於手推車框架1 4至枢紐51 6之平滑渡越。 古站支ff8另—實施例如第22圖所示。—支架_包括具 有延一邊緣之缺口612之弓形槽溝61〇。缺口612之位 供手推車框架14及階梯框架12之特別構型之用。此外,槽 溝610可具有較多或較少缺口612以達到理想結果。 βίο銘一動連接車框架U之銷子618可沿支架600之槽溝 610移動,並可在任何缺口612中鎖住定位。當鎖子⑴沿 第19頁 1229042 五、發明說明(16) 槽溝61 0移動時,手推車框架 動,以使銷子618在缺口612中移、入支或木銘60+0作徑向相對移 6 1 8可潛i隹、巷A 1 D々士 或移出。此外,銷子 之其他構;'該等i::以;ί框r車4及階梯裡架 車模二貨車模式,傢俱台車; 此實施例Γ,=包中括= 第二部分m之第一糊連接=轉士 ^ =達;接;;轉支撑板54在說明之實施例二二 706 ί , 110 ^^ ^ ^ ^ ^704 " ^ - ^ 貞住方疋轉支撐板54之遠端708。精於此枯黏^ 二士::,盤700可以適當方式如一鎖存 子 a 。=器:連接至支撐板54。除此,其可不連接至旋轉 =54,議可連接至增加之橫構件或至手推車:架轉 參考第25圖-第26圖’其中說明座位18〇之另 例。座位800之另一實施例由鉤具8 、 1 2。此技藝人士可知 梯3 1,如以鎖存器夾 可不連接在中階梯3 1 掛在橫構件816之i,構細則連接中階梯31至,厂梯框: 接在階梯框架1 2本身。 座位800由一腳框架815支撐’其為υ形框架,位於 一端817及在第二端819繞至座位8〇〇之頂部分818,在該第處 座位8 0 0可以適當方式連接在中階 銷子,耦合器等。此外,座位8 〇 〇 :,而連接在增加之橫構件上,或連 第20頁 1229042 五、發明說明(17) 裝在座位800上。 …裝置10尚包括容器附件9 0 0。如第27圖_第 容器附件900為用以容納工具如::弟』8圖所-, ,包括-u形支咖連接在手推==第= 922。之支包含面板926,具有支撐構件928連接至支竿 以構件928可為—弓料條㈣㈣ 件9。。弓之形連接支架922至手推車框架“,當附Page 16 1229042 V. Description of the invention (13) In the case of both sides of the device, it is ideal to include a hub. A car that can be lifted, compared with the spring load of 22 俾, no longer protrudes into the gap 326. This can make the hand table straight = 14 and placed in a stepped frame such as the fineness angle 1 cart plus ^ 3247Λν V " ^ ^ ^ 330 ^ ^ -3lt ί: i gold straight; r forces on each side ,, 彖. The configuration of the slot 330 can accept the button 322 and move it from the cart frame to the step frame.]? ±, Yan ^ Μ 夕 廿 上 322 in the cart frame ’gradually lowered it. The button is released and connected to the stepped frame 12. When it comes into contact with the gap, Fig. 5 illustrates another embodiment of the loop arm 106. Loop arm 6. Possible: Suitable method, such as stamping nails, connected to the top of the ladder assembly = w: As far as Tan Road Arm 1 06 is concerned, the design of operating the loop arm 10 06 to fix the top step 32 to the cross member 50 is the same as that of the loop arm ⑽ Mode Consumption Ladder 32 and Figures I6-Figure 21 illustrate another embodiment of the hub 16. In this case, the hub 16 includes a v-shaped bracket 528, which is partially enclosed and fixed on the step frame 12. U-shaped bracket 528 and Feng Shifeng y plus u 丄 Wai and mouth: 532 connected, two frames 12, 14 around the pin wood: 疋 = arched surface 52 °, with a corresponding gap Can = Γ 匡 ί14: '以 ί The opposite end of the receiving pin 526, the pin is connected to the η wooden μi port of the trolley and is provided on each arcuate surface 52 of the illustrated embodiment. It is also within the scope of the present invention if there are only one or more than two notches. The notches may be on one side of each bracket 528, or on two sides of each bracket 528, and applications suitable for the present invention are feasible. When the trolley frame and the ladder frame 12 are relatively moved, the arcuate surface 52q enables the pin 5 to fly = page 17 1229042 V. Description of the invention (14) Between the notches 522a and 522b. The apertures of the cart frame 14 are not shown. Pins 5 3 2 are mounted therethrough and have a slot to provide a small amount of radial movement between the cart frame 14 and the pin 532. This allows the pins 52 6 to be removed from the gaps 5223 and 5221). In another embodiment, the trolley frame 14 is not provided with a slot for a pin 532. The pin 526 may be a spring bearing. The pin 526 may be depressed so that the pin 526 is between the notches 522a and 522b. by. In addition, the relative movement of the hand push = = 14 and the lock 532 can be the load of the bounce. ^ The configuration of f10 is determined by the position of the pin 526 in the notch 522a or 522b. : When the device configuration is a step’as shown in Figure 6-6_P5P2 I / ^ ^ ^ 526 °-^ ^ ^ 0 ^ in = 522a to prevent the device 10 from falling off. The hook 5 29 is condensed and connected to the bracket 528 ′ in such a manner that when the device is set, the hook 530 automatically locks the pin 526 in the gap 52 ^ and comes out from the gap 522a. The configuration of fishing tackle 53 can be prevented from reaching and locking under the gravity. Alternatively, the hook device 530 can be set to move to f ': and the trolley frame 14 and the step frame ^ phase with two ^ m devices are locked in a fixed configuration. _ Once the hook is moved into position, the device 10 is locked in the stepped configuration. The shape configuration is as explained, ★ other suitable shape; it can be a J off. A J prevents the pin from the notch 522a in order to remove the set from the stepped configuration, and disengage. Hook 530 self-pin 526 disengagement mode = Jiang, must self-pin 526 A The a is by lifting the top step 32 from page 18 1229042 V. Description of the invention (15) The cross member 52 is raised, and the top step 32 is raised to The upright position is as shown in Figure 19. Specifically, one of the outwardly extending arms 534 located at the distal end of the top step 32 engages with the vertical extension 536 of the hook 530 and rotates the hook 53 away from the pin 526, thereby disengaging the pin 526 from the notch 522a. Alternatively, fishing tackle 53 may be actuated to rotate away from pin 526, such as to a button or handle connected to-or multiple fishing tackles 530. # 具 53〇 can be used on one or both sides of the hinge 516 of the stepped device, such as the combined device discussed. When the pin 526 is disengaged from the bracket 528, the trolley frame " can move relative to the step frame 12 to become a trolley configuration or a trolley configuration. As shown in FIG. 20, the trolley frame 14 can be moved from the notch 522a by the moving pin 526 = notch 522b. The notch 522b provides a trolley configuration of the device 10. The notch 522b is wider than the notch 522a so that the trolley configuration is positioned between the push position (upright) and the pull position (lower position). If necessary, the gap 5m can be compared with the gap M. The same size. As shown in Figure 21., the extension 536 of the hook 53 is provided with a flat surface to support the tower on the trolley structure, and the top step 32 does not rotate excessively. Finally, the hinge 516 also includes a terminal clip connected to the trolley frame 14, a pin 526 and a hook 53. It will not be overloaded, and it will provide smooth transit from the trolley frame 14 to the hub 51 6. Guzhan branch ff8 another-the embodiment shown in Figure 22. —Bracket_ includes an arcuate groove 61 with a notch 612 extending along one edge. The position of the notch 612 is used for the special configuration of the trolley frame 14 and the step frame 12. In addition, the slot 610 may have more or fewer notches 612 to achieve the desired result. The pin 618 that is connected to the frame U of the moving car can be moved along the groove 610 of the bracket 600, and can be locked and positioned in any notch 612. When the lock pin moves along page 19, 1229042 V. Description of the invention (16) The groove 61 0 moves, the trolley frame moves so that the pin 618 moves in the notch 612, enters into the branch, or is inscribed 60 + 0 in radial direction. Move 6 1 8 to dive in or out of lane A 1 D. In addition, other constructions of the pin; 'The i :: to; 框 frame r car 4 and ladder frame car model two truck model, furniture trolley; this embodiment Γ, = inclusive = second part m first Paste connection = Zhushi ^ = reach; pick up ;; the support plate 54 in the illustrated second embodiment 706, 110 ^^ ^ ^ ^ 704 " ^-^ The far end of the support plate 54 708. Good at this stubby ^ Two: ::, the disk 700 can be latched in a suitable way a. = Device: connected to the support plate 54. In addition, it may not be connected to the rotation = 54, it may be connected to the added cross member or to the trolley: stand turn Refer to Figure 25-Figure 26 'for an example of seat 18. Another embodiment of the seat 800 consists of the hooks 8, 12. The person skilled in the art knows that the ladder 3 1 can be connected to the middle ladder 816 i with the latch clip 1 1 if it is connected to the middle ladder 3 1. The construction details connect the middle ladder 31 to the factory ladder frame: It is connected to the ladder frame 1 2 itself. The seat 800 is supported by a leg frame 815, which is a υ-shaped frame, which is located at one end 817 and at the second end 819 to the top portion 818 of the seat 800, where the seat 800 can be connected to the intermediate stage in an appropriate manner. Pins, couplers, etc. In addition, the seat 800: is connected to the additional cross member, or is connected to page 20 1229042 5. Description of the invention (17) is installed on the seat 800. ... the device 10 still includes a container attachment 9 0 0. As shown in Figure 27, the container attachment 900 is used to accommodate tools such as: Brother "Figure 8", including -u-shaped support coffee connected to the hand push == 第 = 922. The support includes a panel 926 having a support member 928 connected to the support rod. The component 928 may be a bow bar 9. . Bow-shaped bracket 922 to trolley frame ", when attached

Bt,6 /里\ 之工具)繞橫構件50旋轉移動附件900 •,、使弓形撐條隙縫93〇抵住手推马 ^:^930,Vq〇!# 橫構件50下垂。精於此㈣人木14之第一端924之 方4、“ ΐ “ 技藝士可知,支架922可-適合 加/ , 〇 ’子态,銷子,夾子,耦合器等連接至手推車框 木“。此外,可不連接至手推車框架14,支=9 車’ 至增加之横構件或連接至階梯框架〗2。 夾具裝置932自支架922之面拓空山二拙:0日 成28。夾且穿詈州m >板穿出離開階梯總 外,支咖之 圖所示。 < 面板926 了有多或較少夾具裝置932如第26 # =第J9圖’裝置10可包括垃圾袋容器950。該垃圾 益950可連接在頂部階梯32或在手 垃圾袋容器950可用適當方式,如鉤具或央具Π 金屬戈2 :下方或其頂部。垃圾袋容器950可‘由 金屬或塑枓及適當材料製成μ形裝置。垃圾袋之底部可 第21頁 1229042 五、發明說明(18) ***垃圾袋容器9 5 0中,聛#拉代s A上— 备 最 + θ 0βπ ^ 將垃圾袋頂部在容器之邊緣摺 逢。夾具960可用以固宏 垃圾袋至垃圾袋容器950。 固定頂部階梯3 2 > s 成& -Z之另一貫施例如第30圖-第31圖所 ^ nbb 貝σΡ p白梯32包括一 J形擋住鉤具1 050位 了苔加,比r 〇〇 興手推車框架14之橫構件1 052嚅合。 頂部階梯3 2下降至搭;)¾ /4.1 n c 〇 ^ 知、構件1〇52亚快速進入階梯32下側之凹 1 1過擋住構具1050。擋住鉤具1 050可啟動按鈕 ,、將播住鉤具橫向滑動以自橫構件1 0 5 2脫離。 在外,金屬板1 056可連接在頂部階梯32之下側至少鄰近直 參 二側壁,以防止階梯在重負荷之下翹曲。 八 +如第32圖說明,裝置1〇可包括—支撐板鎖具1()6()以便 固定直立或下降位置之支撐板54。鎖具1〇6〇以連接至手推 車框架1 4之遠端一銷子旋轉。當支撐板在嚅合之部署或降 下位置時,鎖具.1 060之第一端1〇66在支撐板54之一部分上 滑動,以保持支樓板墙合裝態(即與手推車框架1 4垂直)。 如加一力於鎖具1 060之第二端1 068將鎖具繞銷子旋轉,支 撐板可自嚅合位置釋放。 如第3 3圖所示’當支撐板54未盤合時(在直立位置), 鎖具1 0 6 0之第二端1 0 6 8在支撐板5 4之側部滑動,以保持支 撲板54為直立位置。支撐板54可施加一力至支撐板54之第 一端1 066以繞銷子1 0 64旋轉鎖具1 0 6 0而自直立或储存位置 釋放。 本發明之許多修改及其它實施例應在精於此技藝人士 之意中,在上述說明及附圖中已包含此等優點及理論。因Bt, 6 / mile \ tool) Rotate and move the attachment 900 around the cross member 50, and make the bow-shaped brace slit 93 against the push horse ^: ^ 930, Vq〇! # The cross member 50 sags. Proficiency in this first side 924 of ㈣ 人 木 14 4. "ΐ" The artist knows that the bracket 922 can be-suitable for adding /, 〇 'state, pins, clips, couplers, etc. to connect to the trolley frame wood " In addition, it may not be connected to the trolley frame 14, support = 9 cars' to the added cross member or to the ladder frame. 2. The fixture device 932 expands the mountain from the side of the bracket 922: 0 to 28. Clip and wear State m > The board penetrates and leaves the ladder outside, as shown in the figure of the cafe. ≪ The panel 926 has more or less fixture devices 932 as shown in # 26 # = 图 J9 'The device 10 may include a garbage bag container 950. The trash can 950 can be attached to the top ladder 32 or in a hand trash bag container 950 in a suitable manner, such as a hook or a central gear metal metal 2: below or on top of it. The trash bag container 950 can be made of metal or plastic and appropriate Material is made of μ-shaped device. The bottom of the garbage bag can be on page 211229045 V. Description of the invention (18) Inserted in the garbage bag container 9 50, 聛 # 拉 代 s A — 备 最 + θ 0βπ ^ Place the top of the garbage bag Meet at the edge of the container. The clamp 960 can be used to fasten the garbage bag to the garbage bag container 950 Fixed top ladder 3 2 > s into & -Z Another example of implementation is shown in Figure 30-Figure 31 ^ nbb shell σρ p white ladder 32 includes a J-shaped blocking hook with 1 050 moss, compared to r 〇〇 Xing trolley frame 14 the cross member 1 052 fits. The top step 3 2 descends to the top;) ¾ /4.1 nc 〇 ^ The member 1052 sub-rapidly enters the recess on the lower side of the step 32 1 1 passes the blocking structure Tool 1050. Block the hook 1 050 actuable button, slide the hook hook laterally to disengage from the cross member 1 0 5 2. Outside, the metal plate 1 056 can be connected to the lower side of the top step 32 at least adjacent to the straight two Side wall to prevent the ladder from warping under heavy load. As shown in Figure 32, the device 10 may include a support plate lock 1 () 6 () to fix the support plate 54 in the upright or lowered position. 60 ° rotates with a pin connected to the far end of the trolley frame 14. When the support plate is in the deployed or lowered position, the first end 1066 of the lock. 1 060 slides on a portion of the support plate 54, In order to keep the slab wall assembled state (that is, perpendicular to the trolley frame 14), such as applying a force to the second end 1 068 of the lock 1 060 The lock is rotated around the pin, and the support plate can be released from the engaged position. As shown in Figure 3 3 'When the support plate 54 is not engaged (in the upright position), the second end of the lock 1 0 6 0 1 0 6 8 Slide on the side of the support plate 54 to keep the flapping plate 54 in an upright position. The support plate 54 can apply a force to the first end 1 066 of the support plate 54 to rotate the lock 1 0 64 1 0 6 0 It is released from an upright or storage position. Many modifications and other embodiments of the present invention should be intended by those skilled in the art. Such advantages and theories are already included in the above description and drawings. because

1229042 五、發明說明(19) 此,本發明並不限於揭示之特殊實施例,亦應瞭解,修改 及其他實施例擬包括在本發明之申請專利範圍中。雖然使 用特殊名詞,但係說明之意義並無限制之意。 _1229042 V. Description of the invention (19) Therefore, the present invention is not limited to the specific embodiments disclosed. It should also be understood that modifications and other embodiments are intended to be included in the scope of patent application of the present invention. Although special terms are used, the meaning of the description is not restrictive. _

第23頁 1229042 圖式簡單說明 ___ 第1圖為本發明中手推車構型中組合 梯裝置透視圖。 Ό工 推車’台車及階 第2Α圖-第2Β圖為本發明一實施例之 視圖,顯示一支撐板在直立位置及降低組合裝置之透 第3圖為.取自第2Α圖之線3’ -3,之部分為丨品f ° 一實施例之支撐板之止動夾。 ° θ ’顯示本發明 第4 Α圖-第4C圖為本發明在手推車構人 第4D圖-第4F圖為本發明另一實施例,可^子裝在其上。 之籃在-組合式手推車,台車及階梯裝置'女裝-可拆卸 第5圖為本發明在階梯構型時之組 梯裝置之透視圖。 式乎推車,台車及階 第6圖為本發明在階梯構型中之組合式手 a :之斷面側視圖·,顯示階梯構型時裝置之州^^^ =見圖圖為本發明台車構型時組合式手推車,台車及階梯時 =圖f本發明組合式手推車,台車及階梯裝置之部分透 視圖,顯示一台車支撐桿。 透 圖之線8b’,’之剖面圖,顯示在儲存 之直立位置之台車支撐桿。 第9 A圖為本發明階梯構型或台車構型時之組合式手推車, 台車及階梯裝置使用之可脫離盤之透視圖。 第9B圖為具有連接至第9A圖之可脫離盤時階梯構型之本發Page 23 1229042 Brief description of the drawings ___ Figure 1 is a perspective view of the combination ladder device in the trolley configuration of the present invention. Figure 2A-2B is a view of an embodiment of the present invention, showing a support plate in an upright position and lowering the penetration of the combined device. Figure 3 is taken from line 2A of Figure 2 The part of '-3' is the retaining clip of the support plate of an embodiment. ° θ ′ shows the present invention. Figures 4A-4C are figures of the present invention in a cart. Figures 4D-4F are another embodiment of the present invention and can be mounted on it. Basket in-combined trolley, trolley and ladder device 'women's clothing-detachable Figure 5 is a perspective view of the ladder device in the ladder configuration of the present invention. Figure 6 is a sectional view of the combined hand a in the stepped configuration of the present invention in a stepped configuration, showing the state of the device when the stepped configuration is shown ^^^ = The figure shows the present invention When the trolley is configured, the combined trolley, the trolley and the ladder == f The perspective view of the combined trolley, the trolley and the ladder device according to the present invention, showing a trolley support bar. A cross-sectional view through line 8b ',' shows the trolley support bar in the upright position in storage. FIG. 9A is a perspective view of a detachable tray used in a stepped configuration or a trolley configuration of the present invention, a combined trolley, a trolley and a ladder device. FIG. 9B is a perspective view of a stepped configuration with a detachable disc connected to FIG. 9A.

I1HE 第24頁 1229042 --—,- 圖式簡單說明 =I1。白梯構型時之組合式手推車,台車及階梯裝置之透視 】為具有連接至第^圖之可脫離盤之本發明台車構型 :之手推車,台車及階梯裝置之透視圖。 ,1 0A圖為本發明在階梯構型或台車構型時與組合式手推 用台車及階梯裝置共用之可脫離盤之另一實施例。 1 0B圖為第〗0A圖與本發明階梯構型時之組合式手推 台車及階梯裝置共用之可脫離盤透視圖。 第l〇C圖為第l〇A圖與本發明在台車構型時組合式手推 台車及階梯裝置共用之可脫離盤之透視圖。 第11A圖為本發明在階梯構型時與本發明之組合式手推 台車及階梯裝置共用之可脫離座位之透視圖。 第11B圖為第πα圖之可脫離座位之底部透視圖。 第11C圖為第11 α·圖之可脫離座位連接至本發明組合式手 車’台車及階梯裝置之部分側視圖。 第11D圖為第m圖之座位如何連接本發明階梯構型時之 合式手推車,台車及階梯裝置之透視圖。 第1 2圖為階梯框架與手推車框架間樞紐之另一實施例之 視圖。 遗 第1 3圖-第1 4圖為在階梯框架與手推車框架間之 一實施例之透視圖。 ^ 第1 5圖連接至階梯總成之頂部階梯之迴路 之透視圖。 屏之另一實%例 第16圖為包括在組合式手推車,階描a由# 推早|白栎及台車裝置在階梯構I1HE Page 24 1229042 ---,-Simple explanation of the diagram = I1. Perspective of the combined trolley, trolley and ladder device in the white ladder configuration] This is a perspective view of the trolley configuration of the present invention with a detachable tray connected to the figure ^: the trolley, trolley and ladder device. Fig. 10A is another embodiment of the detachable disk shared with the combined hand-carrying trolley and the ladder device in the stepped configuration or the trolley configuration. Fig. 10B is a perspective view of the detachable disk shared by Fig. 0A and the combined push trolley and the ladder device in the stepped configuration of the present invention. Fig. 10C is a perspective view of the detachable plate shared by Fig. 10A and the combined hand pushing trolley and step device in the configuration of the trolley of the present invention. Fig. 11A is a perspective view of a detachable seat shared by the present invention with the combined push trolley and step device of the present invention in a stepped configuration. Figure 11B is a bottom perspective view of the detachable seat of Figure πα. Fig. 11C is a partial side view of Fig. 11α · part of the detachable seat connected to the trolley and step device of the combined trolley according to the present invention. Fig. 11D is a perspective view of how the seat in Fig. M is connected to the combined trolley, trolley and step device in the stepped configuration of the present invention. Fig. 12 is a view showing another embodiment of the hinge between the step frame and the trolley frame. Figures 13 to 14 are perspective views of an embodiment between a step frame and a trolley frame. ^ Figure 15 A perspective view of the circuit connected to the top ladder of the ladder assembly. Another example of the screen is shown in Figure 16. Figure 16 is included in the combined trolley, step description a by # 推 早 | White Oak and the trolley device in the step structure

第25頁 1229042 圖式簡單說明 ΐ二= :梯框架與手推車框架間之樞紐之另- ΐ = ί = 示之樞紐之實施例之部分透視圖,顯 Γ動第16圖中樞紐實施例之側視透視圖,顯示出該反 Γ中發明組合式手推車階梯及台車構型時㈣ f中顯不之樞紐之另一實施例之透視圖。 車之枢紐在台車構型中之組合式手推 、^梯中之另一實施例之透視圖。 21圖為第1 6圖申顯示之樞紐盘折義 框架平行時之透視圖。 ”折$之手推車框架與階梯 第2=為階梯框架與手推車框架間之枢紐 施例透視圖。 又木之另一貝 合式手推車,台車及階 台車及階梯裝置之可脫 第23圖為本發明在階梯構型時與 梯裝置共用之可脫離盤之透視圖 第24圖為第23圖中組合式手推車 離盤唇部部分透視圖。 第25圖為本發明在階梯構 車及階梯襄置共用之可脫離座位透;;圖,式手推車’台 第26圖為連接至本發明組合式手推二 可脫離座位之部分側視圖。 口車及階梯骏置之 =2'圖,本發明組合式手推車,台車及 持附加物之透視圖。 展置共用之保Page 251229042 Brief description of the drawing ΐ2 =: Another perspective of the hinge between the ladder frame and the trolley frame-ΐ = ί = part of the perspective view of the embodiment of the hub, showing the side of the hub embodiment in FIG. 16 The perspective view shows a perspective view of another embodiment of the hinge that is not obvious in the configuration of the combination trolley step and trolley of the invention. A perspective view of another embodiment of the combination of the car's hub in the trolley configuration and the ladder. Figure 21 is a perspective view of the hinge plate folding frame shown in Figure 16 when the frames are parallel. "The cart frame and ladder 2nd discount" 2 = perspective view of the embodiment of the hinge between the step frame and the cart frame. Another wooden bezel type cart, trolley and step trolley and step device are detachable. Figure 23 is Perspective view of the detachable tray shared with the ladder device in the stepped configuration of the invention. Figure 24 is a perspective view of the lip part of the combined cart in Figure 23. Figure 25 is a view of the stepped cart and stepped ladder of the present invention. The shared seat can be detached from the seat; Figure, type trolley, table 26 is a side view of a part of the detachable seat that is connected to the combined pusher 2 of the present invention. The car and the ladder are placed = 2 ', the combination of the present invention Perspective view of trolleys, trolleys and attachments.

12290421229042

第28圖為自第27圖中顯示之組合式手推車 , 置分離之保持附加物之透視圖。 σ車及階梯裝 第2 9圖為本發明夕且^^ 车4奋志 . 十知a、、且口式手推車,台車及階 、 圖,顯示一垃圾袋容納器。 旋置之透視 ’台車及階梯裳 住在f皆梯構型時 置之部分透 裝置之框架 第3 0圖為本發明組合式手推車 視圖,顯示頂部階梯使用時鎖 之另一實施例。 第31圖為第25圖 第3 2圖為本發明 鎖具在下方位置 第3 3圖為本發明 鎖具在直立位置 元件符號說明: 中顯示之頂部p白b 組合式手推車, 時之透視圖。 組合式手推車, 時之透視圖。 梯之低部透視圖 台車及階梯裝置 台車及階梯裝置 之支撐板Fig. 28 is a perspective view of the combined trolley shown in Fig. 27 with separated holding attachments. σ car and ladder equipment Figures 29 and 9 show the present invention and the car 4 Fenzhi. Shizhi a, and mouth-type trolleys, trolleys and steps, the figure shows a garbage bag container. The perspective of the rotation ’The trolley and the ladder are partially transparent when they are in the ladder configuration. Figure 30 is a view of the combined trolley according to the present invention, showing another embodiment of the lock when the ladder is in use. Figure 31 is Figure 25. Figure 3 2 is the lock of the present invention in the lower position. Figure 3 3 is the lock of the present invention in the upright position. Symbol description: The top p white b combined cart shown in the perspective view. Combination trolley, a perspective view of the time. Perspective view of the lower part of the ladder Trolley and ladder device Trolley and ladder device Support plate

之支撐板 10 14 1820 26 28 32 多用途裝置. 手推車框架 156 、 529 、 532 22 延長腳 12 階梯框架 16 、 216 、 316 、 516 旋轉銷子 24 旋轉把手(U形把手) 樞紐 =二15()'816 'M2 橫構件 30、31 階梯 頂部階梯(座位)Support plate 10 14 1820 26 28 32 Multi-purpose device. Trolley frame 156, 529, 532 22 Extension foot 12 Ladder frame 16, 216, 316, 516 Rotary pin 24 Rotary handle (U-shaped handle) Pivot = 2 15 () '816' M2 cross member 30, 31 step top step (seat)

34 連接構件 5 2 把手橫構件 56 鎖住裝置 60 舌部 40 ^ 42 第一對小輪 54 支撐板 5 8 板 62、84、530、1 050 鉤具34 Connecting member 5 2 Handle cross member 56 Locking device 60 Tongue 40 ^ 42 First pair of small wheels 54 Support plate 5 8 Plate 62, 84, 530, 1 050 Hook

1229042 532 70、320 鎖住器(鎖存器) 82 繫緊器 8 4 銬形物 8 6、1 3 6、1 6 2 隙縫 618 、 1064 銷子 1 0 4、3 3 0、6 1 0 溝槽 108、528、922 U 形支架 圖式簡單說明 64 彈簧夾 80、80’ 條板箱 8 3 C形缺口 85 弓形外壁 88 、 200 、 220 、 526 102 鎖住機構 106 環狀臂(迴路臂) 120 台車支樓棒 124 停止衾 134、158 凹處 138 、 160 、 522a 、 522b 、 612 1 5 2、1 5 4 盤之部分 184 支撐結構 190 下方階梯撐條 180 、 800 ^ ^ 222 、 224 、 226 位置 324 側邊 52 0 弓形表面 710 舌片 900 容器附件 9 3 0弓形撐條隙縫 932 夾具裝置 960 夾具 1 060 鎖具 122 U形扣緊 130 、 150 、 700 ^ 缺口 18 2 模製座位台 188 上方階梯撐條 18 6 座位表面 2 1 8、3 2 6 隙縫道 322、1054 按紐 406 迴路臂 528、6 0 0 支奈 815 腳框架 928 支撐構件 926 面板 950 垃圾袋容器、 1 0 5 6 金屬板 1 0 6 6、1 068支撐板之一端1229042 532 70, 320 Locking device (latch) 82 Fastener 8 4 Handcuffs 8 6, 1 3 6, 1 6 2 Slot 618, 1064 Pin 1 0 4, 3 3 0, 6 1 0 groove Slots 108, 528, and 922 U-shaped brackets Simple illustrations 64 Spring clips 80, 80 'Crates 8 3 C-shaped notches 85 Arched outer walls 88, 200, 220, 526 102 Locking mechanism 106 Ring arm (loop arm) 120 trolley support rods 124 stop 衾 134, 158 recesses 138, 160, 522a, 522b, 612 1 5 2, 1 5 4 part of the tray 184 support structure 190 step brace below 180, 800 ^ 222, 224, 226 Position 324 Side 52 0 Arched surface 710 Tongue 900 Vessel attachment 9 3 0 Arched slot 932 Fixture device 960 Fixture 1 060 Lock 122 U-shaped fastening 130, 150, 700 ^ Notch 18 2 Molded seat table 188 Upper step Strut 18 6 Seat surface 2 1 8, 3 2 6 Slot channel 322, 1054 Button 406 Circuit arm 528, 6 0 0 Support 815 Foot frame 928 Support member 926 Panel 950 Garbage bag container, 1 0 5 6 Metal plate 1 0 6 6, 1 068 One end of the support plate

Claims (1)

1229042 六、申請專利範圍 h種夕用途移動,抬起及支撐|置,包人 至第二端; 、 手於弟一端及一對延伸之腳延伸 -乎推車框架,具有延伸之腳· 複數:階梯連接至階梯框架;_至弟…. 轉連接階梯框架至手推車棍架;及 住階梯框架與手便2梯構组時,鎖 由重力致動。^ *之相對位置’其中該反震動鉤具 2.如申請專利範圍第丨項之裝置’ 頂部階梯係旋轉連接至階梯框架以備中旋亥轉複於數個^匕之一 置與直立之儲存位置之間。 備旋轉於降下之階梯位 3 ·如申晴專利範圍第2項之裝置,复 夕错荆·^庄丨* 。哀稷數個階梯之一 動反震動鉤具以將反震動鉤具在旋II i t fr ^ 置時脫離。 你焚轉至直立位 其中該反震動鉤具實質 其中該樞紅包含一實質 該缺口與一連接至手推 其中该反震動釣具將銷 4 ·如申請專利範圍第1項之裝置 上為J形。 5·如申請專利範圍第1項之裝置 上ϋ形之支架,其至少有一缺口 車框架之銷子嚙合。 6 ·如申請專利範圍第5項之裝置 子固定在缺口内。 壯班〜a π 一"〜衣且,其中該反震動鉤且包括 裝置以抵制階梯總成之階梯在台車構型時之過度旋轉 7 ·如申請專利範圍第1項之裝置 第29頁 1229042 六、申請專利範圍 移;有: 伸至第二端; 之把手’及一對延長腳延 伸腳端旋轉連接至在第-端之階梯框架,及延 一銷子連接至手推車架; 接成連接至階梯框架,及具有複數個階梯旋轉連 心:ΪΪ: ii接Γ弟框架至手推車框架,其中該樞 俾裝置之可面’表面中含至少-缺口, 一 c4 位銷子於至少一缺口時予以修改. 反震動鉤具旋轉連接至樞鈕,以便在階梯型睥’ =…之一缺”,其中反震圍= 之底部以固定銷.子於缺口中。 I刀G圍銷子 存位置間旋梯框架’以備在降下位置與直立儲 :型如/Λ專一利範圍第9項之裝置,其中複數個階梯之-之 1反震動鉤具,以使反震動鉤具在旋轉i # 位置時將其脫離。 ,、你々疋褥至直立 =請專利範圍第8項之裝置’其中該反震動釣具實質 12·如申請專利範圍第8 一裝置以反制階梯總成 項之裝置,其中該反震動鉤具包括 之階梯在台車構型時之過度旋轉。 /、、申請專利範圍 1 3 · —種階梯裝置,包含.· 一階梯框架,具有一把手於第一 伸至第二端; 端,及 一對延伸之腳延 一端之階梯框架,及延 及具有複數個階梯旋轉 一手推車框架,旋轉連接至在第 伸之腳延伸至第二端; 一銷子附在手推車框架上; 、一階梯總成連接在階梯框架上, 連接至延伸腳; 其中該框紐包 口以固定階梯 人至少一柩紐連接階梯框架至手推車框架, ί —支架,該支架至少有—與銷子接合^缺 木於推車框架於一固定位置;及 μίίίΓ具旋轉連接至枢紐,以便在階梯構型時,將 ::: 紐之缺口巾,其中反震動鉤具部分包圍鎖子 之底部,以固定銷子於缺口中。 如申請專利範圍第13項之裝置,其中該複數個 直旋轉連接至階梯框架,以便在降下階梯位置與 直立儲存位置之間旋轉。 置’其中該複數個階梯之 以便在旋轉至直立位置時 置,其中該反震動鉤具實 15·如申請專利範圍第14項之裝 一之構型為可致動反震動鉤具, 將反震動鉤具脫離。 1 6 ·如申請專利範圍第丨3項之裝 質上為J形。 其中該反震動鉤具包 總成之階梯過度旋轉。 17·如申請專利範圍第13項之装置, 括一裝置以抵制在台車構型時階梯1229042 Sixth, the scope of the application for patents: various types of applications: moving, lifting and supporting, placing people to the second end;, hand to younger end and a pair of extended feet extending-almost the frame of the cart, with extended feet · plural : The ladder is connected to the ladder frame; _ to younger .... Transfer the ladder frame to the trolley stick frame; and when the ladder frame and the hand ladder 2 are assembled, the lock is actuated by gravity. ^ The relative position of 'where the anti-vibration hook is 2. The device of the scope of application for patent application 丨' The top ladder is connected to the ladder frame in rotation so that it can be restored to one of several ^ knives and stored upright. Between locations. The equipment is rotated on the lowered step position. 3 · As in the second item of Shen Qing's patent scope, Fuxi is wrong. ^ Zhuang 丨 *. Mourn one of the several steps to move the anti-vibration hook to disengage the anti-vibration hook when the rotation II i t fr ^ is set. You turn to the upright position where the anti-vibration hook has the essence. The pivot red contains a notch and a connection to a hand push. The anti-vibration fishing tackle will be a pin. 4. If the device in the scope of patent application is J-shaped . 5. If the upper bracket of the device according to the scope of the patent application has at least one notch, the pins of the car frame are engaged. 6 · The device of item 5 in the scope of patent application is fixed in the gap. Zhuang class ~ a π 一 " ~ clothing, in which the anti-vibration hook includes a device to resist the excessive rotation of the ladder assembly ladder ladder in the configuration of the trolley 7 · as the device of the scope of patent application, page 29 1229442 6. The scope of patent application is moved; there are: handles that extend to the second end; and a pair of extension feet that are extended to the stepped frame at the first end and connected to the trolley frame by a pin; To the step frame, and having a plurality of step rotation joints: ΪΪ: ii is connected to the frame of the cart to the cart frame, wherein the surface of the pivot device includes at least-notch, and a c4 position pin is at least one notch Modified. The anti-vibration hook is rotatably connected to the hub so that the bottom of the anti-vibration enclosure = is fixed with a pin in the gap. I knife G around the pin storage location Rotary ladder frame 'in preparation for the lowered position and upright storage: a device of the type / Λ exclusive range of item 9, in which a number of steps-1 of the anti-vibration hook, so that when the anti-vibration hook is in the rotation i # position Get rid of it. You Mattress to upright = Please use the device in the eighth item of the patent, where the anti-vibration fishing tackle is essentially 12. If the patent application is in the eighth device, the device is an anti-staircase assembly item, where the anti-vibration hook includes the ladder in the trolley Excessive rotation during configuration. /., Patent application scope 1 3-a ladder device, including a ladder frame, with a handle extending from the first to the second end; end, and a pair of extended feet extending from one end to the other A ladder frame, and a trolley frame with a plurality of ladder rotations, which is connected to the foot extending to the second end; a pin is attached to the trolley frame; and a ladder assembly is connected to the ladder frame and is connected to Extension feet; wherein the frame button package is connected to the trolley frame by at least one button of the fixed ladder person, and-a bracket, the bracket has at least-engaged with a pin ^ lack of wood in a fixed position of the trolley frame; and μίίίΓ is rotatably connected to the hub, so that in the stepped configuration, the gap of the ::: button, where the anti-vibration hook partially surrounds the bottom of the lock to secure the pin In the gap. For example, the device in the scope of patent application No. 13 wherein the plurality of straight rotations are connected to the stepped frame for rotation between the lowered step position and the upright storage position. When standing in an upright position, the anti-vibration hook is in actual use. 15. If the configuration of item 14 in the scope of application for a patent is that the anti-vibration hook can be actuated, the anti-vibration hook can be disengaged. The item of item 丨 3 is J-shaped. The step of the anti-vibration hook assembly is excessively rotated. 17. If the device of the scope of patent application item 13, includes a device to resist the ladder when the trolley is configured
TW92127358A 2003-04-11 2003-10-02 Hinge system for combination hand truck, step ladder and dolly device TWI229042B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/412,610 US6880835B2 (en) 2003-04-11 2003-04-11 Combination hand truck, step ladder and dolly
US47990203P 2003-06-19 2003-06-19
US49635603P 2003-08-18 2003-08-18

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TW200420460A TW200420460A (en) 2004-10-16
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Publication number Priority date Publication date Assignee Title
CN201276139Y (en) * 2008-04-14 2009-07-22 陈金喜 Novel luggage barrow
CN102649440A (en) * 2011-02-28 2012-08-29 宜炫企业有限公司 Handcart structure
DE202015100663U1 (en) * 2015-02-11 2016-05-12 Hailo-Werk Rudolf Loh Gmbh & Co. Kg Device for storing feet which can be mounted on a climbing device such as a ladder, a folding step or the like
WO2019057216A1 (en) * 2017-09-22 2019-03-28 苏州宝时得电动工具有限公司 Workbench
EP3697669B1 (en) * 2017-10-18 2023-07-19 P Invent AB Multipurpose transport trolley
CN107869304A (en) * 2017-11-11 2018-04-03 佛山市顺德区万怡家居用品有限公司 Ladder Zang Lun mechanisms
US11338834B2 (en) * 2018-07-23 2022-05-24 Pietro Laudani Lowered bidirectional trolley

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