EP0893207B1 - Workbench with pivotable support member - Google Patents

Workbench with pivotable support member Download PDF

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Publication number
EP0893207B1
EP0893207B1 EP98305842A EP98305842A EP0893207B1 EP 0893207 B1 EP0893207 B1 EP 0893207B1 EP 98305842 A EP98305842 A EP 98305842A EP 98305842 A EP98305842 A EP 98305842A EP 0893207 B1 EP0893207 B1 EP 0893207B1
Authority
EP
European Patent Office
Prior art keywords
workbench
detent
support members
regions
channel
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.)
Expired - Lifetime
Application number
EP98305842A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0893207A1 (en
Inventor
George Davidson
Steven White
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.)
Black and Decker Inc
Original Assignee
Black and Decker Inc
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 Black and Decker Inc filed Critical Black and Decker Inc
Priority to DK98305842T priority Critical patent/DK0893207T3/da
Publication of EP0893207A1 publication Critical patent/EP0893207A1/en
Application granted granted Critical
Publication of EP0893207B1 publication Critical patent/EP0893207B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top

Definitions

  • the present invention relates to a workbench including: a first support member pivotally coupled to a second support member and wherein one of the first and second support members is formed with detent-engaging means: detent means mounted on the other of the first and second support members and co-operable with the detent-engaging means thereby to selectively permit or prevent relative pivotal movement between the first and second support members.
  • Such a device comprises a main frame in the form of two pairs of legs, each pair having mounted at its upper end a support member.
  • the support members each carry a pair of jaws which extend laterally across the support members.
  • the support members each have a threaded rod running therethrough which co-operates with correspondingly threaded rings formed on the undersurface of each side of each of the pair of jaws. In this way the user of the workbench can cause the pair of jaws to move together or to separate by rotation of each threaded rod.
  • the support member for each of the jaws comprises a pair of metallic arms.
  • One of the support members has a hole punched through each of its metallic arms and the other of the support members has two holes punched therethrough. These holes are arranged so that when the first and second support members are moved in pivotal relationship with one another, the holes are aligned both when the support members lie in the same plane and when they lie in orthogonal planes.
  • the support member which has only one hole punched through its metallic arms also carries a manually operable drive pin which may be selectively pushed through this hole and which then also travels through whichever one of two holes carried by each metallic arm of the other support member with which it is aligned. This then serves to lock the support members in either the same or orthogonal planes.
  • the drive pin itself is caused to be either driven through or retracted from these holes by way of a simple sprung cam mechanism. In this manner, the user manually rotates the cam mechanism thereby causing the drive pin to move.
  • a shortcoming of the above device is that the user needs to perform two separate operations in order to alter the pivotal relationship between the two support members. Firstly the drive pin needs to be withdrawn from its current hole, then the pivotal relationship between the support members must be changed and finally the drive pin must be driven through the other holes for locking the arrangement in its new state. Furthermore, it is advantageous to utilise an equally efficacious device which uses components of cheaper cost than that of a cam-driven drive pin.
  • a workbench including a first jaw member mounted on a first support member and a second jaw member mounted on a second support member wherein at least one jaw member is manually displaceable on its support member so as to cause the pair of jaws to move together or separate, the first support member pivotally coupled to the second support member and wherein one of the first and second support members is formed with a detent engaging means; detent means are mounted on the other of the first and second support members and co-operable with the detent engaging means thereby to selectively permit or prevent relative pivotal movement between the first and second support members; characterised by the detent engaging means comprising a channel formed in said one of the first and second support members, which channel defines first and second regions, one of which first and second regions allows the detent means limited arcuate movement therewithin and the other of the first and second regions restrains movement of the detent means; wherein one of the detent means and the detent engaging means is engaged with a biasing member to restrain the detent means in engagement with the
  • the first region of the channel may be substantially arcuate, thereby to cause the detent to follow an arcuate path in sympathy with the relative pivotal movement between the first and second support members. In this way the detent is always within the detent-engaging means itself and so there is no need for the operator of the workbench to have to align holes as is the case with the prior art.
  • the other of the first and second regions of the channel may define a stop for the detent means thereby to prevent relative pivotal movement between the first and second support members. In this way, the support members can readily be held in the desired relative orientation.
  • the stop is formed so as to extend radially outwards of the arcuate region of the channel.
  • the stop may be substantially linear.
  • the detent means may be held in, for example, two positions at 90° separation.
  • the detent means is biased by way of a spring member. This allows for the detent to be automatically urged into its restrained position within the detent-engaging means.
  • the detent means may comprise a manually operable arm.
  • the channel may be formed as a recess within the one of the first and second support members.
  • the channel may be formed as a hole within the one of the first and second support members.
  • Said first and second jaws of the workbench may be supported between said pair of supports and said first and second support members respectively.
  • the first and second support members may each be formed on respective legs of the workbench.
  • the first and second support members each comprise a pair of supports.
  • a part of a workbench in accordance with the present invention comprises a first support member, in this example a pair of bars (2), interconnected via a support bar (4).
  • Each of the bars (2) of the pair are adapted to receive therewithin a threaded vice screw (6).
  • the vice screw (6) is connected to an arm handle (8) so that a user of the workbench may rotate the vice screw (6).
  • the remainder of the length of the bar (2) carries a thread and the rotation of the screw (6) via the handle (8) causes the thread to move a spigot-bearing ring (10) coupled to the screw (6) along the length thereof in known manner.
  • the upper surface of the spigot-bearing ring (10) (the spigot itself) couples with the underside of a block (12).
  • the upper surface of block (12) itself engages with a jaw (14).
  • rotation of either of the arm handles (8) by the user causes that side of the jaw (14) to move, as is known in the art.
  • the two arm handles (8) as shown in the Figures can both be caused to rotate by coupling them together via a transmission belt (15). This is simply for ease of use as, if the jaw (14) is required to be moved backwards or forwards along the length of the thread of the vice screws (6) without any lateral or angular disposition, then this mechanism allows this to be achieved without the need for both arm handles (8) to be rotated.
  • Each bar (2) of the pair is pivotally coupled to a second support member, in this example a pair of brackets (16). It can be seen from the example shown in the figures that each bar (20) of the pair couples pivotally with a respective bracket (16) of the pair of brackets (16).
  • brackets (16) themselves support a further jaw in addition to jaw (14).
  • This pivotal relationship between the two pairs of support members - the bars (2) and the brackets (16) - thus allows these two jaws to be in any relative orientation between lying in the same plane to lying in orthogonal planes, as will be described below.
  • the bars (2) of the pair are adapted to hold a detent means, in this example a spring-biased arm (18).
  • the arm (18) is shaped so as to define two projecting ends (20) and a longitudinally extending operable surface (22). In its rest state, the arm (18) is biased in the direction of the arrow shown in Figure 5 by way of spring members, here coiled metal springs (24).
  • the projecting ends (20) of the arm (18) co-operate with a detent-engaging means, in this example shaped punched channel (26) shown in Figures 7, 8 and 9, formed in each bracket (16) of the pair of brackets.
  • a detent-engaging means in this example shaped punched channel (26) shown in Figures 7, 8 and 9, formed in each bracket (16) of the pair of brackets.
  • the co-operation between the arm (18) and the shaped channel (26) governs the relative pivotal movement between the bars (2) and the brackets (16) and will be described in detail below.
  • the channel (26) and Figures 7, 8 and 9 are formed in a generally arcuate shape being flanked by two end portions.
  • the arcuate portion (28) subtends a right-angle and is so shaped to permit the projecting end (20) of arm (18) which co-operates with its respective channel (26) to travel therewithin. It will be understood that travel of the projecting end (20) within the arcuate portion (28) of the channel (26) is possible when the user of the workbench causes relative pivotal movement to occur between the pair of bars (2) and the pair of brackets (16).
  • the two end portions of the channel (26) which flank the arcuate portion (28), in this example linear end stops (30) which are formed tangentially to the arcuate portion (28), serve both to restrict the travel of the projecting end (20) within the channel (26) and hence, therefore, to limit the extent of relative pivotal movement between the pair of bars (2) and the pair of brackets (16).
  • the spring (24) serves to urge the arm (18) in the direction of the arrow shown in Figure 5 and this translates, when viewing the relationship between the channel (26) and projecting end (20), into meaning that the arm (18) will be biased by the spring (24) so that the projecting ends (20) are urged into the end stops (30).
  • first and second members may be achieved easily and by which the members may be selectively locked in either of two predetermined positions.
  • channels (26) have been formed by punching a hole into the pair of brackets (16), these channels (26) could be equally well formed as recesses in the material of the brackets (16).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Ladders (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Massaging Devices (AREA)
  • Vending Machines For Individual Products (AREA)
  • Physical Vapour Deposition (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Pressure Sensors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
EP98305842A 1997-07-25 1998-07-22 Workbench with pivotable support member Expired - Lifetime EP0893207B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK98305842T DK0893207T3 (da) 1997-07-25 1998-07-22 Arbejdsbord med drejeligt bæreorgan

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9715800.0A GB9715800D0 (en) 1997-07-25 1997-07-25 Workbench
GB9715800 1997-07-25

Publications (2)

Publication Number Publication Date
EP0893207A1 EP0893207A1 (en) 1999-01-27
EP0893207B1 true EP0893207B1 (en) 2004-10-06

Family

ID=10816508

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98305842A Expired - Lifetime EP0893207B1 (en) 1997-07-25 1998-07-22 Workbench with pivotable support member

Country Status (9)

Country Link
EP (1) EP0893207B1 (xx)
AT (1) ATE278514T1 (xx)
AU (1) AU754333C (xx)
DE (1) DE69826785T2 (xx)
DK (1) DK0893207T3 (xx)
ES (1) ES2226070T3 (xx)
GB (1) GB9715800D0 (xx)
NZ (1) NZ331049A (xx)
PT (1) PT893207E (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2393924A (en) * 2002-09-25 2004-04-14 Huang Mo Hsieh Turning device for a workbench

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3561713A (en) * 1969-01-15 1971-02-09 Kason Hardware Corp Angularly adjustable shelf bracket
US4154435A (en) * 1978-02-22 1979-05-15 The Black And Decker Manufacturing Company Portable workbench
US4294441A (en) * 1979-05-15 1981-10-13 Banion Michael L O Apparatus for supporting a work piece
JPS563190A (en) * 1979-06-20 1981-01-13 Anritsu Electric Co Ltd Truck for electronic equipment
US4909491A (en) * 1989-02-08 1990-03-20 Cheng Wen H Saw platform and workbench
DE8901527U1 (xx) * 1989-02-10 1989-05-03 Cheng, Wen Ho, Taipeh/T'ai-Pei, Tw
US4934645A (en) * 1989-03-20 1990-06-19 Rtc Industries, Inc. Shelving assembly
JP2698428B2 (ja) * 1989-05-24 1998-01-19 株式会社テック 商品データ入力装置
GB9027775D0 (en) * 1990-12-21 1991-02-13 Black & Decker Inc Workbench
US5685231A (en) * 1992-10-05 1997-11-11 Eyre; Clarence W. Computer work station

Also Published As

Publication number Publication date
EP0893207A1 (en) 1999-01-27
ATE278514T1 (de) 2004-10-15
DE69826785T2 (de) 2005-02-10
AU754333C (en) 2003-07-03
NZ331049A (en) 1999-08-30
GB9715800D0 (en) 1997-10-01
AU754333B2 (en) 2002-11-14
PT893207E (pt) 2005-02-28
DE69826785D1 (de) 2004-11-11
DK0893207T3 (da) 2004-11-08
ES2226070T3 (es) 2005-03-16
AU7841498A (en) 1999-02-04

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