EP0842855A2 - Cadre pour sac suspendu - Google Patents

Cadre pour sac suspendu Download PDF

Info

Publication number
EP0842855A2
EP0842855A2 EP97304560A EP97304560A EP0842855A2 EP 0842855 A2 EP0842855 A2 EP 0842855A2 EP 97304560 A EP97304560 A EP 97304560A EP 97304560 A EP97304560 A EP 97304560A EP 0842855 A2 EP0842855 A2 EP 0842855A2
Authority
EP
European Patent Office
Prior art keywords
bag
support
platform
drop
fitting
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP97304560A
Other languages
German (de)
English (en)
Other versions
EP0842855A3 (fr
Inventor
Steve c/o RoMec Manufacturing Services Murray
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Post Office
Original Assignee
Post Office
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
Application filed by Post Office filed Critical Post Office
Publication of EP0842855A2 publication Critical patent/EP0842855A2/fr
Publication of EP0842855A3 publication Critical patent/EP0842855A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B67/00—Apparatus or devices facilitating manual packaging operations; Sack holders
    • B65B67/12—Sack holders, i.e. stands or frames with means for supporting sacks in the open condition to facilitate filling with articles or materials

Definitions

  • the present invention relates to a drop bag fitting, used to support a bag, such as a mail bag, in an open configuration such that items can be deposited in the bag.
  • Drop bag fittings are widely used for supporting such mail bags.
  • a postal authority may use them in automated processing centres, local delivery offices, delivery offices, post rooms and at post office counters.
  • they may be used in the mail rooms of businesses and the like.
  • Known drop bag fittings comprise a rectilinear frame with a lower square frame part having posts extending upwardly therefrom and connected to an upper square frame part.
  • the upper frame part has hooks to which the four corners of a mail bag are attached to retain the bag in an open configuration.
  • a major health and safety problem associated with such known drop bag fittings concerns the removal of a loaded bag therefrom.
  • the weight limit for a loaded mail bag is 22 kg (although it is preferable if the bag weighs no more than 11 kg).
  • a person removing a mail bag from a known drop bag fitting has no way of knowing whether the weight of that bag has reached the limit, or indeed whether it has exceeded the limit. Accordingly, many injuries are caused by people trying to remove a mail bag which is too heavy. Typical injuries affect the back, arms, hands, wrists or shoulders.
  • a drop bag fitting comprising:
  • the weight indication means preferably comprises a movable member which is arranged to contact the bag and which is resiliently biased so that it moves when the bag and the items deposited therein reach the predetermined weight, and an indicator which indicates when the movable member moves.
  • the movable member may be located anywhere in or on the support.
  • the movable member could form part of means, e.g. hooks, used to suspend the bag in the drop bag fitting.
  • the suspending means moves downwardly and the indicator indicates that the weight has been exceeded.
  • the movable member be a substantially horizontal platform located at the lower end of the support so as to move up and down therein, one or more springs biasing the platform upwardly.
  • the platform has one or more posts extending downwardly therefrom and slidably located in corresponding bores in the lower end of the support, the or each post having a spring to bias the platform upwardly. In this way, the bag and the items deposited therein rest on the platform, causing the platform to move downwardly when the predetermined weight is reached.
  • the platform may also have a bore therein through which is slidably received a bar connected to the support, the bar having a spring to bias the platform upwardly.
  • the bar retains the platform so that it moves only up and down.
  • the indicator could be any appropriate indicator and may be electronic. It is preferred however if the indicator is a rod, one end of which is attached to the platform and the other end of which has a portion which is visible to a user of the device until the platform moves. Such an arrangement is simple and requires relatively little maintenance.
  • the rod may extend through the support such that said other end thereof extends from the upper portion of the support. This ensures that the upper end of the rod is clearly visible to a user of the drop bag fitting until the predetermined weight has been reached at which time the platform and rod move downwardly, resulting in the upper end of the rod moving into the support and being no longer visible to the user.
  • the support has two side portions and upper and lower cross portions connecting the side portions at the rear thereof.
  • the support has no front cross bar and therefore a bag can be easily removed from the fitting.
  • a drop bag fitting comprising a support for receiving a bag so as to hold the bag in such a manner that items can be deposited in the bag, wherein the support has two side portions and upper and lower cross portions connecting the respective side portions at the rear thereof.
  • the support is preferably a frame. This means that the support is light and is easily manufactured.
  • a drop bag fitting 10 comprises a frame 11 which is typically of tubular steel for strength and lightness.
  • the tubular steel preferably has a round cross-section so that the frame has no sharp edges, and may have a diameter of 25 mm and a wall thickness of 2 mm.
  • frame 11 could be of any suitable material, e.g. plastics, etc.
  • Frame 11 has side portions 11a, 11b, the top and bottom ends of which are linked by upper 11c and lower 11d cross portions, respectively.
  • Lower cross portion 11d has connected thereto a member 12 having a generally inverted V-shape, such that lower cross portion 11d and member 12 define between them a triangle.
  • a rear tube 13 connects the apex of this triangle with upper cross portion 11c.
  • the front of frame 11 is open, i.e. when viewed from above, it defines a C-shape (see Figure 3).
  • Frame 11 is mounted on castors 14 so that it can be easily moved, and the respective upper parts of side portions 11a, 11b each have two hooks 15 for receiving the respective four corners of a mail bag.
  • drop bag fitting 10 includes a weight indication means.
  • a cross member 16 having bores 17a, 17b therein, extends between side portions 11a, 11b.
  • flanges 18, 19, respectively extend inwardly towards cross member 16.
  • Flanges 18, 19 each have a bore therein into which the respective ends of a bar 20 are secured by means of nuts 21, 22.
  • a substantially horizontal platform 23 has two posts 23a, 23b extending downwardly therefrom to be slidably received in bores 17a, 17b, respectively.
  • platform 23 has a bore 23c therein through which bar 20 slidably extends.
  • Platform 23 is biased upwardly by means of springs 24, 25 located around posts 23a, 23b between cross member 16 and the lower surface of platform 23, and a spring 26 located around bar 20 between flange 18 and the lower surface of platform 23.
  • boss 27 Located at the rear of platform 23 substantially below rear tube 13, there is a boss 27, the bore of which is aligned with a second bore 23d through platform 23.
  • a rod 28 extends upwardly through bore 23d, boss 27 and tube 13, and beyond upper cross portion 11c. The lower end of rod 28 is secured in boss 27 by means of a screw 29.
  • first portion 30 is coloured green and second portion 31 is coloured red.
  • the four corners of a mail bag are suspended from hooks 15.
  • the height of the drop bag fitting 10 is such that the bottom of the bag rests on platform 23. Items of mail are deposited in the mail bag where they rest on platform 23.
  • the removal of the mail bag is made easier by the fact that the front of frame 11 is open. Accordingly, the bag can simply be dragged from platform 23 with little or no lifting thereof required.
  • Calibration of the weight indication means is carried out by placing on the platform an object having the predetermined weight and adjusting the position of rod 28 in boss 27 so that the band and the second portion 31 of rod 28 protrude from upper cross portion 11c. The rod 28 is then secured in place by means of screw 29.
  • the weight at which the platform 23 moves downwardly is determined by the springs 24, 25, 26. Accordingly, the springs are selected according to the weight at which it is desired that platform 23 moves.
  • the drop bag fitting of the present invention is modular, that is to say that a plurality of fittings can be secured together in a line one next to the other by means of a clamp or other suitable securing means. It is currently preferred that the fittings are secured together by means of clamps which have two bores therein for receiving the tubular frames of adjacent drop bag fittings.
  • the clamp is preferably of plastics and is split into two parts which can be secured together by means of a nut and bolt received in a third bore extending through both parts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Auxiliary Apparatuses For Manual Packaging Operations (AREA)
EP97304560A 1996-11-19 1997-06-26 Cadre pour sac suspendu Withdrawn EP0842855A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9624034 1996-11-19
GBGB9624034.6A GB9624034D0 (en) 1996-11-19 1996-11-19 Drop bag fitting

Publications (2)

Publication Number Publication Date
EP0842855A2 true EP0842855A2 (fr) 1998-05-20
EP0842855A3 EP0842855A3 (fr) 1998-09-23

Family

ID=10803169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97304560A Withdrawn EP0842855A3 (fr) 1996-11-19 1997-06-26 Cadre pour sac suspendu

Country Status (2)

Country Link
EP (1) EP0842855A3 (fr)
GB (1) GB9624034D0 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE156942C (fr) *
FR913112A (fr) * 1945-08-04 1946-08-29 Bascule-support pour remplissage de sacs
CH557462A (en) * 1972-10-24 1974-12-31 Technicair Sa Automatic disposal of household and industrial rubbish - has electrically driven grinder with safety circuit cut-out
FR2343669A1 (fr) * 1976-03-12 1977-10-07 Montangeron Anna Support de sac poubelle d'appartement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE156942C (fr) *
FR913112A (fr) * 1945-08-04 1946-08-29 Bascule-support pour remplissage de sacs
CH557462A (en) * 1972-10-24 1974-12-31 Technicair Sa Automatic disposal of household and industrial rubbish - has electrically driven grinder with safety circuit cut-out
FR2343669A1 (fr) * 1976-03-12 1977-10-07 Montangeron Anna Support de sac poubelle d'appartement

Also Published As

Publication number Publication date
EP0842855A3 (fr) 1998-09-23
GB9624034D0 (en) 1997-01-08

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