EP0024021B1 - Corps de support auxiliaire pour un dispositif de support de pièces d'usinage - Google Patents

Corps de support auxiliaire pour un dispositif de support de pièces d'usinage Download PDF

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Publication number
EP0024021B1
EP0024021B1 EP80104539A EP80104539A EP0024021B1 EP 0024021 B1 EP0024021 B1 EP 0024021B1 EP 80104539 A EP80104539 A EP 80104539A EP 80104539 A EP80104539 A EP 80104539A EP 0024021 B1 EP0024021 B1 EP 0024021B1
Authority
EP
European Patent Office
Prior art keywords
workpiece
gripping
segment
auxiliary
plane
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
Application number
EP80104539A
Other languages
German (de)
English (en)
Other versions
EP0024021A1 (fr
Inventor
William Harvey O'connor, Iii
Richard Lee Hurn
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 AT80104539T priority Critical patent/ATE6040T1/de
Publication of EP0024021A1 publication Critical patent/EP0024021A1/fr
Application granted granted Critical
Publication of EP0024021B1 publication Critical patent/EP0024021B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00—Vices
    • B25B1/24—Details, e.g. jaws of special shape, slideways
    • B25B1/2405—Construction of the jaws
    • B25B1/2452—Construction of the jaws with supplementary jaws

Definitions

  • This invention relates to devices for supporting workpieces.
  • the invention relates more particularly to an improved auxiliary support means for extending the usefulness of such devices.
  • a device of this type generally comprises a vise having a pair of jaw members and a means for adjusting the spacing between the jaw members for gripping and releasing the workpiece.
  • the size of a workpiece which can be gripped by the device is limited principally by the maximum spacing between gripping faces of the jaw members when the jaws are adjusted to a maximum opening.
  • the gripping spacing for a workpiece has been increased by the use of demountable, auxiliary support bodies, referred to as swivel pegs, which are mounted to the gripping members and which are adapted to receive and engage a workpiece.
  • a swivel peg includes a mounting segment which is positioned in an aperture of the gripping member and is supported on a surface of the member.
  • the auxiliary support body is adapted to engage an edge of a workpiece while a similar swivel peg on another gripping member of the device similarly engages and grips another edge of the workpiece. Since the swivel bodies are set back from the jaw faces of the gripping member, they thereby effectively provide an enlarged jaw opening for gripping workpieces larger than the spacing between the jaw members can accommodate.
  • the jaw members are formed by elongated bodies each having a first jaw gripping surface which engages a workpiece, a second generally planar surface extending transversely from the first surface, and a third surface extending at an angle from the second surface. The latter surface which is beveled with respect to the second surface facilitates positioning of work tools in close proximity to the workpiece being supported.
  • auxiliary support body It is generally desirable to position the auxiliary support body on a relatively flat surface and this jaw member configuration provides a flat, second surface of relatively limited width (w) on which an auxiliary support body can be mounted.
  • width of the jaw member is relatively large, and, known, rotatably mounted, auxiliary support bodies have presented a workpiece gripping surface which is positioned between the jaw opening and the rotatable mounting of an auxiliary support body in the same manner on the flat surface of relatively limited width of the aforementioned jaw member will, while advantageously increasing the effective jaw opening device, provide a substantially lesser increase in jaw opening than is desired.
  • the workpiece support device as disclosed in the afore-mentioned EP-A is economically fabricated principally of plastic elastomer materials and the fabrication tolerances are accordingly not rigid. While this workpiece support device has provided satisfactory operation, the application of a substantial gripping force to the workpiece through the auxiliary support bodies has caused a slight deflection of these bodies and contact between the gripped workpiece and the support body is reduced. This latter, in addition to the relatively smooth surface of the plastic elastomer support body reduces the gripping characteristics of the support body and, at times, a gripped workpiece will escape the grip of the auxiliary bodies.
  • DE-C 356 219 an apparatus for supporting a workpiece is described comprising:
  • auxiliary support body is adapted to provide a plurality of increased jaw openings and provides a means for reducing undesired release of a workpiece by an auxiliary support body having a relatively smooth gripping surface.
  • Another object of the invention is to provide a means for enhancing the gripping characteristics of a plastic elastomer auxiliary support body.
  • Still another object of the invention is to provide means for increasing frictional engagement between a workpiece and an auxiliary workpiece support device having a relatively smooth gripping surface.
  • the apparatus according to the precharacterizing part of claim 1 is characterized by said mounting segments of the support bodies being rotatable in the apertures and further characterized by a body mounted adjacent to said workpiece gripping surface for increasing friction between said workpiece gripping surface and a workpiece.
  • the friction increasing body comprises a body of resilient material which is mounted to the auxiliary support body.
  • an auxiliary support body includes a first segment shaped for extending into and engaging an aperture formed in the surface of the jaw member, a second parallelepiped shaped segment having a relatively flat surface extending transversely to the first segment, and a third buttress segment which is positioned at a distal part of the second segment.
  • the parallelepiped shaped second segment includes a first workpiece gripping surface for the body and the buttress shaped segment includes a second workpiece gripping surface for the body.
  • the vise 16 is shown supported on a surface 17 of a workbench or a support table.
  • the vise 16 includes first and second workpiece gripping jaw members 18 and 20 and a means for supporting these members.
  • the vise support means comprises a support body 22 and a base body 24.
  • the support body comprises an integrally formed frame member 26 and an integrally formed bowl shaped member 28.
  • a means including manually rotatable crank arms, one of which is referred to in Figure 1 by reference numeral 30, is provided for varying spacing between the jaw members 18 and 20 in order to grip and release a workpiece.
  • the vise 16 and the means for varying the spacing between the jaw members 18 and 20 is disclosed in greater detail in the afore- mentioned copending EPC-Patent Application, the disclosure of which relating to the vise structure and a means for varying the spacing and angularity of the jaw members is incorporated herein by reference.
  • the jaw member 18 is elongated and includes a first surface 32 providing a workpiece gripping face extending in a plane 34, as illustrated in Fig. 1 and which plane is perpendicular to the drawing and extends out of the paper as viewed in Fig. 1.
  • the jaw member 18 further includes a second, generally planar surface 36 which extends transversely to the surface 32 and the plane 34 and which has a relatively narrow width (w) (Fig. 3).
  • a third bevelled surface 38 extends transversely at an angle from the surface 36. This bevel is provided in order to facilitate the positioning of work tools adjacent to a supported workpiece 40.
  • the surface 36 has a relatively narrow width (w) with respect to the overall width of the jaw member 18.
  • the jaw member 18 has a total width measured between the surface 36 and a fourth surface 42 of about 5 cm while the surface 36 has a width (w) of about 2 cm.
  • the jaw member 20 is similarly constructed.
  • first and second auxiliary support bodies 46 and 48 are provided and are demountably supported on the jaw members 18 and 20 respectively. As illustrated in Fig. 1, the support bodies 46 and 48 are adapted to grip and engage the workpiece 40 which has a dimension greater than the maximum spacing (m). It can also be seen from Fig. 1 that the workpiece 40 has a dimension which extends beyond the relatively flat surface segment 36 of jaw member 18 and beyond a similar relatively flat surface segment 50 of the jaw member 20.
  • the support body 46 comprises a first, elongated, generally cylindrically shaped mounting segment 52 having a longitudinal axis 54. This segment is positioned in a keyhole shaped aperture which is formed in the jaw member and extends from the flat surface 36 parallel to the plane 34 and the axis 54.
  • a tab or foot 56 extends from a distral part of the segment 52 and engages a lower surface 59 of the jaw member for inhibiting motion of the body 46 in the direction of the longitudinal axis 54.
  • the auxiliary support body 46 includes a second integrally formed, parallelpiped shaped segment 58 which extends transversely to the mounting segment 52 and has a relatively flat surface 60 which receives and supports the workpiece 40.
  • Support body 46 also includes a third buttress segment 62 which is positioned at a distance location of the second segment 58 and includes a workpiece gripping surface 64.
  • the gripping surface 64 extends transversely to the surface 60 and preferably normal to this surface and, with the orientation on the jaw member shown in Fig. 3, preferably parallel to the plane 34 of the gripping surface 32.
  • Body 46 is rotatably mounted to a jaw member 18 and, upon gripping irregular shaped workpieces, the surface 64 may be orientated non-parallel to the plane 54.
  • a body 66 which is described in greater detail hereinafter is mounted adjacent the surface 64.
  • the workpiece 40 is positioned adjacent a workpiece gripping surface 68 of the support body 48 and adjacent similar gripping surfaces of auxiliary support bodies, for gripping the workpiece therebetween. Gripping is effected by supporting the workpiece 40 on the flat surface 60 and rotating the vise crank arms to establish gripping contact between the support , bodies and workpieces.
  • the gripping face 64 is positioned at a location beyond the width (w) of the relatively flat surface segment 36 and is positioned above the beveled surface 38.
  • the auxiliary support body 46 thus provides for positioning of a workpiece gripping surface at a location spaced transversely beyond the mounting position indicated by the axis 54 by a distance (L).
  • Axis 54 is spaced transversely from the jaw face 32 by the distance (I) and the effective jaw opening is increased by the distance 2x(I+L).
  • the described arrangement thus advantageously provides for effectively increasing the jaw opening in a device having a relatively narrow width (w) jaw surface and which increase is greater than the width (w) of the surface.
  • the second integrally formed parallel piped shaped segment 58 includes a surface 69 which provides a gripping surface for a workpiece.
  • the use of the surface 69 in gripping a workpiece is illustrated in Fig. 2.
  • the surface 69 which extends parallel to the jaw face 32 is positioned intermediate the jaw face and the mounting location indicated by the axis 54 whereas the surface 64 is positioned outwardly from the mounting location.
  • the body 46 may be rotated and the surface 69 may be positioned in a non-parallel orientation with respect to plane 54 when gripping n irregular shaped workpiece.
  • Auxiliary support body 46 thus provides two alternative gripping surfaces 64 and 69 which are used in conjunction with similar gripping surfaces of an auxiliary body on jaw member 20 to provide two separate, effectively enlarged jaw openings for the workpiece support device 16.
  • Body 66 which is illustrated in greater detail in Fig. 4 increases frictional engagement between the workpiece and the surface 64.
  • the gripping surface 64 of the support body 62 is formed of a smooth material such as a polymer plastic and in order to reduce undesired escape of a workpiece from the grip of a pair of auxiliary support bodies, the body 66 is provided and is mounted adjacent the surface 64.
  • Body 66 is formed of a material for enhancing gripping as for example, a resilient material or an abrasive material. When a resilient material is used, the workpiece contacts the body 66 and this body is slightly deformed thereby effectively providing a gripping surface which assumes the configuration of the workpiece. Frictional engagement between the workpiece and the gripping surface 64 is thus enhanced.
  • the body 64 can be formed of various materials which operate to increase the frictional engagement between the surface 64 and the workpiece.
  • a preferred material is a resilient material as for example a resilient material such as rubber.
  • Other nonresilient, non-slip materials can also be provided, as for example a body of an abrasive material such as sandpaper which is supported adjacent the surface 64.
  • the body 64 is also supported adjacent surface 69 for similarly inhibiting escape of a workpiece which is gripped by this surface.
  • the body 66 is formed of a rubber and is shown to include an integral segment 70 which conforms with and engages a cutout 72 formed in the buttress body 62. The cutout is also illustrated in Fig. 5 with the body 66 demounted.
  • an alternative body 74 for increasing the friction is mounted adjacent the gripping surface 64 by an adhesive 76.
  • the arrangement provides for effectively increasing the jaw opening of the device when the device includes a jaw member having a planar body of relatively narrow width.
  • the auxiliary support device provides a gripping surface which is spaced transversely from the mounting location of the auxiliary body.
  • the auxiliary body is further advantageous in that the body provides two gripping surfaces which provide two differing, enlarged jaw openings.
  • a means is also provided in the form of a body mounted adjacent to gripping surfaces of the auxiliary support body for increasing the frictional contact with the gripped body and inhibiting escape of a gripped work body.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Gripping On Spindles (AREA)
  • Manipulator (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Materials For Photolithography (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Claims (12)

1. Appareil pour supporter une pièce à travailler (40), comprenant:
a. un dispositif support pour la pièce à travailler (16, 22, 24) avec des premier et second éléments de mâchoires de serrage (18, 20) de la pièce à travailler et des moyens (30) pour faire varier la distance entre lesdits éléments de mâchoires (18, 20), afin de serrer une pièce à travailler entre deux;
b. lesdits éléments de mâchoires (18, 20) ont chacun une première surface de serrage (32, 34) s'étendant dans un premier plan (34) et une seconde surface (36, 50) s'étendant transversalement audit plan et sur laquelle des premier et second corps de support auxiliaries (46, 48) sont supportés de manière amovible, lesdits corps comprenant un premier segment de montage (52) s'engageant dans une ouverture pour supporter ledit corps (46, 48) sur lesdits éléments de mâchoires (18, 20) et des surfaces de serrage (64, 68) parallèles au premier plan (34) pour engager une pièce à travailler (40) entre deux, ladite ouverture étant distante du premier plan et s'étendant parallèlement à celui-ci, caractérisé en ce que lesdits segments de montage (52) des corps de support (46, 48) peuvent pivoter dans les ouvertures et caractérisé par un corps (66, 74) monté adjacent à ladite surface de serrage (64, 68) de la pièce à travailler pour augmenter la friction entre ladite surface de serrage de la pièce à travailler et une pièce à travailler (40).
2. Appareil selon la revendication 1, caractérisé en ce que les corps de support auxiliaires (46, 48) ont une première et une seconde surface de serrage (64, 68, 69) d'une pièce à travailler.
3. Appareil selon la revendication 1, caractérisé en ce que les secondes surfaces (36, 50) des éléments de mâchoires (18, 20) s'étendent sur une distance prédéterminée (w) et en ce que ladite surface de serrage (64, 68) dudit corps de support auxiliare (46, 48) s'étend au-delà de ladite seconde surface (36, 50), dans une direction transversale.
4. Appareil selon la revendication 2 ou 3, caractérisé en ce que les corps de support, auxiliaries (46, 48) comprennent un second segment intégral, de forme parallélipipédique (58) ayant la seconde surface de serrage (69) s'étendant parallèlement audit plan (34), un segment en forme d'arc-boutant (62) situé à une extrémité éloignée dudit second segment (58), ledit segment en forme d'arc-boutant (62) comprenant la premierre surface de serrage (64, 68) de la pièce à travailler.
5. Appareil selon la revendication 1, dans lequel ledit corps (66, 74) comprend un corps en matériau élastique.
6. Appareil selon la revendication 1, comprenant des moyens adhésifs (76) pour monter ledit corps élastique (74) audit corps auxiliaire (46, 48).
7. Appareil selon la revendication 6, dans lequel ledit corps (66) en matériau élastique contient un segment de montage intégral (70) pour engager ledit corps auxiliaiare (46, 48), ledit corps auxiliaire (46, 48) contenant une ouverture (72) pour recevoir et engager ledit segment de montage (70).
8. Appareil selon la revendication 1, dans lequel lesdits corps auxiliaries (46, 48) sont disposés en des endroits prédéterminés (54) à une certaine distance (1) dans une direction transversale audit plan (34), l'ouverture effective des mâchoires dudit dispositif pour une pièce à travailler (40) serrée par lesdits corps auxiliaires (46, 48) étant augmentée d'une distance 2x(I+L) où L est la distance entre une première surface de serrage (64) d'une pièce à travailler et l'axe (54) de ladite ouverture.
9. Appareil selon la revendication 1, caractérisé en ce qu'il comprend des moyens (30) pour varier la distance entre les éléments de mâchoires (18, 20) lesdits moyens comprenant des moyens pour varier l'angle entre lesdites surfaces de serrage (32, 44) desdits éléments de mâchoires (18, 20) et des moyens pour supporter de manière amovible lesdits corps de support auxiliaires (46, 48) et permettant la rotation desdits corps autour de ladite position de montage (54).
10. Appareil selon la revendication 4, dans lequel le second segment en forme de parallélipipède (58) comprend une surface plane (60) s'étendant transversalement audit plan (34), un troisième segment en arc-boutant (62) situé à un endroit éloigné de ladite surface plane (60), ledit segment en arc-boutant (62) comprenant une surface de serrage (64) d'une pièce à travailler espacée d'une certaine distance (L) de l'axe (54) de ladite ouverture, l'ouverture effective des mâchoires pour serrer une pièce à travailler (40) entre les surfaces (64) de l'arc-boutant d'engagement d'une pièce à travailler étant augmentée d'une distance 2x==(i+L).
11. Appareil selon la revendication 10, dans lequel ladite surface (64) de l'arc-boutant d'engagement d'une pièce à travailer s'étend transversalement à ladite surface plane (60).
12. Appareil selon la revendication 11, dans lequel ladite surface (64) de l'arc-boutant d'engagement d'une pièce à travailler s'étend normalement à ladite surface plane (60).
EP80104539A 1979-08-10 1980-07-31 Corps de support auxiliaire pour un dispositif de support de pièces d'usinage Expired EP0024021B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80104539T ATE6040T1 (de) 1979-08-10 1980-07-31 Hilfsbacken zur verwendung mit einem werkstueckhalter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6573179A 1979-08-10 1979-08-10
US65731 1979-08-10

Publications (2)

Publication Number Publication Date
EP0024021A1 EP0024021A1 (fr) 1981-02-18
EP0024021B1 true EP0024021B1 (fr) 1984-02-01

Family

ID=22064715

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80104539A Expired EP0024021B1 (fr) 1979-08-10 1980-07-31 Corps de support auxiliaire pour un dispositif de support de pièces d'usinage

Country Status (5)

Country Link
EP (1) EP0024021B1 (fr)
AT (1) ATE6040T1 (fr)
AU (1) AU6118980A (fr)
CA (1) CA1160257A (fr)
DE (1) DE3066390D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20204591U1 (de) * 2002-03-22 2002-07-11 Kittel, Gerald, 87448 Waltenhofen Vorrichtung für Spanngut in einer Spannvorrichtung
US7569042B2 (en) * 2004-09-29 2009-08-04 Kimberly-Clark Worldwide, Inc. Disposable garment with multiple fasteners

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE158385C (fr) *
DE356219C (de) * 1922-07-18 Frantisek Vladimir Suda Schraubstock
US2741145A (en) * 1954-11-10 1956-04-10 Bahorik Steve Adjustable vise extension
US3006226A (en) * 1958-09-15 1961-10-31 John W Poysa Bench vise
DE1846998U (de) * 1961-12-05 1962-02-15 Paul Ferd Pedinghaus Fa Schraubstock.
US3173676A (en) * 1962-10-25 1965-03-16 Edmond Z Chenette Milling machine vises and the like and auxiliary jaws therefor
US4078782A (en) * 1977-08-03 1978-03-14 Carlson Alfred J Range jaws for milling machine vises
DE7909136U1 (de) * 1979-03-30 1979-08-16 Bernstein-Werkzeugfabrik Steinruekke, 5630 Remscheid Spannvorrichtung als zusatzvorrichtung fuer einen schraubstock o.dgl. spanngeraet

Also Published As

Publication number Publication date
EP0024021A1 (fr) 1981-02-18
DE3066390D1 (en) 1984-03-08
CA1160257A (fr) 1984-01-10
ATE6040T1 (de) 1984-02-15
AU6118980A (en) 1981-02-12

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