GB2509961A - Fastener retention system for product mounting - Google Patents

Fastener retention system for product mounting Download PDF

Info

Publication number
GB2509961A
GB2509961A GB201300976A GB201300976A GB2509961A GB 2509961 A GB2509961 A GB 2509961A GB 201300976 A GB201300976 A GB 201300976A GB 201300976 A GB201300976 A GB 201300976A GB 2509961 A GB2509961 A GB 2509961A
Authority
GB
United Kingdom
Prior art keywords
product
fastener
latch
fasteners
attachment system
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.)
Granted
Application number
GB201300976A
Other versions
GB201300976D0 (en
GB2509961B (en
Inventor
David Frederick Clements
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.)
DEEP THOUGHT Ltd
Original Assignee
DEEP THOUGHT 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
Application filed by DEEP THOUGHT Ltd filed Critical DEEP THOUGHT Ltd
Priority to GB1300976.6A priority Critical patent/GB2509961B/en
Publication of GB201300976D0 publication Critical patent/GB201300976D0/en
Priority to TW102212704U priority patent/TWM471813U/en
Priority to DE202013103081U priority patent/DE202013103081U1/en
Priority to CN201320443813.9U priority patent/CN203374611U/en
Publication of GB2509961A publication Critical patent/GB2509961A/en
Application granted granted Critical
Publication of GB2509961B publication Critical patent/GB2509961B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • F16B41/002—Measures against loss of bolts, nuts or pins
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Connection Of Plates (AREA)

Abstract

A system for attaching a product to a mounting structure (6, Fig 6) comprises a product casing 4 having a retainer (9, Fig 6) for securely holding an attachment fastener 7, preventing the fastener from accidentally falling out of the casing during transport , blocking a mechanism of the product or becoming lost altogether. Each retainer has a primary 10 and secondary latch 11 within a guide 12 for the fastener, wherein the fastener is initially trapped between the two latches and upon attaching of the product to a mounting structure the fastener is pushed past the secondary latch toward a location hole in the support surface (1, Fig 1). In a preferred embodiment the product is a height and inclination adjustment mechanism for an office chair.

Description

Fastener retention System for Product Mounting This invention concerns a new way of mounting a product onto or underneath a support surface. The product here is an adjustment system for office chairs or similar thrniture. The established way of mounting such products is shown in figs I to 3.
The product casing has an external casing which comprises two or four flanges which are arranged to protrude from the product casing in the plane of the support surface of the mounting structure which is the underside of the seat of an adjustable office chair.
These flanges are predrilled with holes allowing the product to be attached to the support surface by means of standard fasteners which would normally be supplied with the product.
This is the first drawback of the known systems. Since the fasteners are supplied separately they are difficult to mate with the pre threaded holes or even get lost altogether.
Also, since the flanges have necessarily to extend beyond the size of the product, the area of support surface required increases, sometimes considerably.
A second drawback of the known systems is that the flanges need to be strong, i.e. thicker material, which increases the cost of the prodtict without confribttting anything to the product itself.
Moreover, the aesthetics of the product suffers from the addition of the flanges sticking out from the sides of the product.
An easy answer to the problem of the flanges would be to drill fastener support holes through the casing and to provide fasteners of sufficient length to reach through the product into the support surface of the mounting structure.
However, the product casing in maLly cases may not be rigid enough and could deform under the pressure of the tightened fasteners, hence spoiling the aesthetics of the product and possibly preventing it form operating properly.
Thus the fasteners will need to reach through the outer casing and their heads rest against the surface of the prodttct which is in contact with the mounting structure, which surface is also referred to as the "top plate" of the product.
Such an arrangement would be very inconvenient as the fasteners could easily be lost inside the product casing and interfere with the operation of the product and possibly render it useless.
The present invention aims to alleviate the above problems. It is defined by the claims, in particular claim 1.
If the attachment means could be accommodated safely and rigidly inside the perimeter of the product, avoiding thc above mentioned problems, the overall aesthetic appcarancc of the product would be improved and render the product mounting stronger and the product itself more compact.
The solution is to retain the fastener safely inside the product, accessible from the outside of the product by means of a suitable tool of sufficient length.
This is achieved by means of a fastener retainer attached to the product top plate. This retainer may be a separate part or integral to said top plate.
The fastener retainer has two latches. A primary latch which prevent the fastcner from falling out of the retainer and a secondary latch which stops the active end of the fastener protruding beyond the top plate of the product. This arrangement avoids the fastener being knociced in fransit or the fastener damaging another product whcn scvcral arc packcd closely in the same containcr.
Assembly of the fastener retainer and the fastener is as follows: the fastener head is forced past the primary latch as far as the secondary latch. There the fastener is held between the two latches until the product is to bc attached to its rnolLnting structure.
At that point the fastener is pushed, by means of a suitable tool such as a screw driver, past the secondary latch toward the hole in the mounting structure and fastened into the mounting structure until its head is tight against the top platc and conscquently holds the product tightly to thc mounting structure.
Should the product need to be removed from its mounting sfructure, the fasteners are undone and will be retained in the product casing by means of the primary fastener retaining latches.
With thc secondary latches bcing flexibic, the fastcners arc hcld morc or lcss in their original positions ready to be retightened when the product is again fastened to the mounting structure.
The invention vi11 now be described in greater detail with reference to the figures.
Figures I to 3 show the state of the art and Figures 4 106 show the details of the present invention.
The rclevant parts are numbered in the following manner: Support surface (underside of office chair seat) Flanges 2 Product casing 3 Top plate 4 Bottom plate 5 Mounting structure (office chair or similar furniture) 6 Fastener (screw) 7 Tool (screw driver, Allan key or similar) Fastener retainer 9 Primary latch 10 Secondary latch 11 Fastener guide 12 Figure 1 illustrates the conventional way of attaching a product to a support structure.
A product is shown in the position to be attached in the known manner to a mounting structure (6), which is an office chair or a similar piece of frirniture.
The product casing (3) has flanges (2) sticking out beyond the product casing (3).
The flanges (2) are pre-drilled to allow the product to be fastened to the support surface (I) of the mounting structure (6).
Figure 2 shows the same product turned through 900 with the attachment fasteners (7) in position to bc fastcned down by means of a suitabic tool (S), such as a scrcwdriver, Allan kcy or similar and Figure 3 shows the product attached by us top plate (4)10 the support surface (I) of the mounting structure (6).
The advantages of the invention will become evident with the detailed description of figures 4 to 6.
Figure 4 shows the inventive product. Its top plate (4) forms a lid for the product casing (3) keeping the whole compact with no flanges sticking out from its casing (3).
Figure 5 shows one of the fastener retainers (9) in more detail. The fastener (7) is introduced into thc retainer guide (12) before the top plate (4) is fitted onto the product casing (3). The fastener (7) is pushed past the secondary latch (11) up against the primary latch (10). This latch (10) stops the fastener (7) from falling out of the retainer and into the casing (3). The secondary latch (10) keeps the fastener (7) iii a position more or less flush with the outer surface of the casing's (3) top plate (4).
The secondary latch (11) springs back into position to hold the fastener (7) in the said desired position.
Figure 6 shows the product being fixed to the mounting stntcture (1). A suitable tool (8) such as a screw driver is introduced through the holes in the casing (3) to engage fastener (7) and pushing it past the secondary latch (11) to connect with the support surface (1) and engage said fastener into pre-threaded holes in said surface (I).
* **** t-t-t-t-t-* *** * * * *** **** ****

Claims (8)

  1. Claims I. A product attachment system for fastening a product to a mounting structure (6), comprising a product easing (3) wherein attachment fasteners (7) are held within said product casing (3) by fastener retainers (9) and are secured against falling ottt of said retainers (9) and possibly blocking the product's mechanism or getting lost altogether.
  2. 2. A product attachment system according to claim I wherein each of the fasteners retainers (9) comprise at least two retaining latches (10. 11) inside a fastener guide (12).
  3. 3. A product attachment system according to claims 1 and 2 wherein each fastener retainer comprises two retaining latches, a primary (10) and a secondary retaining latch (11), inside said fastener guide (12).
  4. 4. A product attachment system according to claim 3 wherein the fastener (7) is initially trapped between the primary (10) and the secondary retaining latches (11) and upon attaching of the product to the mounting structure (6), the fastener is pushed past the secondary retaining latch (II) toward die location hole in the sttpport surface (1).
  5. 5. A product attachment system according to claim 4 wherein the secondary latch (II) is weaker than the primary retaining latch (10) such that upon detaching the product form the mounting structure (6) the fastener (7) easily pushes past the secondary retaining latch (11) but is stopped by the primary latch (10).
  6. 6. A product attachment system according to claims ito 5 wherein said fasteners (7) are fastened into a support surface (1) of said mounting structure (6) by passing a suitable tool (8) into holes fashioned advantageously in said product casing (3), said fasteners (7) reaching through said product casing (3) to contact said support surface (1) and screw said fasteners (7) to said support structure (6).
  7. 7. A product attachment system according to claims I to 6 wherein the product is a height and inclination adj ustment mechanism for an office chair.
  8. 8. An adjustable office chair including a height and inclination adjustment mechanism comprising an attachment system according to claims 1 to 7.Amendments to claims have been filed as follows Claims 1. A product attachment system for fastening a product to a support surface (1) of a mounting structure (6), comprising a product casing (3) wherein attachment fastcncrs (7) are held within said product casing (3) by fastener retainers (9) ,whereby said rctainers (9) each comprise two independently operating retaining latches, which latches consist of a primary latch (10) which secures said attachment fasteners (7) against falling out of said retainers (9) and a secondary latch (II) which allows said attachment fasteners (7) being pushed past it in both directions, namely upon screwing down to fasten and again through the force of the un-screwing to loosen said attachment fasteners (7) without affecting in any way the operation of the primary latch (10).2. A product attachment system according to claim 1 wherein the fastener (7) is initially trapped between the primary (10) and the secondary retaining latches (11) and upon attaching of the product to the mounting structure (6), the fastener is pushed past the secondary retaining latch (11) toward the location hole in a support surface (1).3. A product attachment system according to claim 1 or 2 whcrcin the secondary latch (11) is weaker than the primary retaining latch (10) such that upon detaching the product fonn the mounting C') structure (6) the fastener (7) easily pushes past the secondary retaining latch (11) but is stopped from leaving the retainer (9) by the primary latch (10).4. A product attachment system according to claims I to 3 wherein said fasteners (7) are r fastened into said support surface (1) of said mounting structure (6) by passing a suitable tool (8) into holes fashioned advantageously in said product casing (3), said fasteners (7) reaching through said product casing (3) to contact said support surface (1) and screw said fasteners (7) to said mounting r structure (6).5. A product attachment system according to claims 1 to 4 wherein thc product is a height and inclination adj ustinent mechanism for an office chair.6. An adjustable office chair including a height and inclination adjustnient mechanism comprising an attachment system according to claims Ito 5.
GB1300976.6A 2013-01-20 2013-01-20 Fastener retention system for product mounting Active GB2509961B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1300976.6A GB2509961B (en) 2013-01-20 2013-01-20 Fastener retention system for product mounting
TW102212704U TWM471813U (en) 2013-01-20 2013-07-05 Fastener retention system for product mounting
DE202013103081U DE202013103081U1 (en) 2013-01-20 2013-07-11 System for attaching a product to a mounting structure
CN201320443813.9U CN203374611U (en) 2013-01-20 2013-07-24 Locking element keeping system for installing product and adjustable office chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1300976.6A GB2509961B (en) 2013-01-20 2013-01-20 Fastener retention system for product mounting

Publications (3)

Publication Number Publication Date
GB201300976D0 GB201300976D0 (en) 2013-03-06
GB2509961A true GB2509961A (en) 2014-07-23
GB2509961B GB2509961B (en) 2015-07-15

Family

ID=47843591

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1300976.6A Active GB2509961B (en) 2013-01-20 2013-01-20 Fastener retention system for product mounting

Country Status (4)

Country Link
CN (1) CN203374611U (en)
DE (1) DE202013103081U1 (en)
GB (1) GB2509961B (en)
TW (1) TWM471813U (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19826799C1 (en) * 1998-06-16 2000-03-09 Ejot Kunststofftech Gmbh Fixture device for covering or retainer on sub-construction has body with head and base opposite to which is base and hollow space between head and base
DE19953834A1 (en) * 1999-11-09 2001-05-10 Trw Automotive Electron & Comp Fixing device attached to sheet metal component e.g. automobile body component, has retaining element provided with centering device for screw shaft of fixing screw
EP1762731A1 (en) * 2005-09-08 2007-03-14 HONDA MOTOR CO., Ltd. Mounting screw retainer structure
FR2976987A1 (en) * 2011-06-21 2012-12-28 Peugeot Citroen Automobiles Sa Assembling device for fixing seat belt return strap on lining part of passenger compartment of vehicle, has screw whose surface exerts constraint on retaining unit to maintain unit in locking position when device is in service configuration

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19826799C1 (en) * 1998-06-16 2000-03-09 Ejot Kunststofftech Gmbh Fixture device for covering or retainer on sub-construction has body with head and base opposite to which is base and hollow space between head and base
DE19953834A1 (en) * 1999-11-09 2001-05-10 Trw Automotive Electron & Comp Fixing device attached to sheet metal component e.g. automobile body component, has retaining element provided with centering device for screw shaft of fixing screw
EP1762731A1 (en) * 2005-09-08 2007-03-14 HONDA MOTOR CO., Ltd. Mounting screw retainer structure
FR2976987A1 (en) * 2011-06-21 2012-12-28 Peugeot Citroen Automobiles Sa Assembling device for fixing seat belt return strap on lining part of passenger compartment of vehicle, has screw whose surface exerts constraint on retaining unit to maintain unit in locking position when device is in service configuration

Also Published As

Publication number Publication date
CN203374611U (en) 2014-01-01
GB201300976D0 (en) 2013-03-06
DE202013103081U1 (en) 2013-09-26
TWM471813U (en) 2014-02-11
GB2509961B (en) 2015-07-15

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Free format text: REGISTERED BETWEEN 20190926 AND 20191002