EP1071541A1 - All-purpose vice with self-adjustable slide - Google Patents

All-purpose vice with self-adjustable slide

Info

Publication number
EP1071541A1
EP1071541A1 EP99914683A EP99914683A EP1071541A1 EP 1071541 A1 EP1071541 A1 EP 1071541A1 EP 99914683 A EP99914683 A EP 99914683A EP 99914683 A EP99914683 A EP 99914683A EP 1071541 A1 EP1071541 A1 EP 1071541A1
Authority
EP
European Patent Office
Prior art keywords
slide
vice
self
tightening
workpiece
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
EP99914683A
Other languages
German (de)
French (fr)
Other versions
EP1071541B1 (en
Inventor
Eugen Jurkovic
Rudolf Jurkovic
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1071541A1 publication Critical patent/EP1071541A1/en
Application granted granted Critical
Publication of EP1071541B1 publication Critical patent/EP1071541B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B25B1/2431—Construction of the jaws the whole jaw being pivotable around an axis perpendicular to the actioning direction of the vice
    • B25B1/2436—Construction of the jaws the whole jaw being pivotable around an axis perpendicular to the actioning direction of the vice around a vertical axis
    • 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
    • B25B1/06—Arrangements for positively actuating jaws
    • B25B1/10—Arrangements for positively actuating jaws using screws
    • B25B1/103—Arrangements for positively actuating jaws using screws with one screw perpendicular to the jaw faces, e.g. a differential or telescopic screw
    • 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
    • B25B1/06—Arrangements for positively actuating jaws
    • B25B1/10—Arrangements for positively actuating jaws using screws
    • B25B1/106—Arrangements for positively actuating jaws using screws with mechanical or hydraulic power amplifiers
    • 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
    • B25B1/2473—Construction of the jaws with pull-down action on the workpiece

Abstract

Owing to its basic features, the All-purpose Vice, unlike the existing ones, can engage and efficiently tighten the workpiece regardless of how non-parallel it is. At the same time, such tightening is done in a way which prevents the slide from rising and thereby keeps the workpiece to the vice guide. The solution relies on the holder and its truncated reverse cone-shaped nut which horizontally maintains the slide's self-adjustability in the direction of tightening and with a final pressure forces the slide onto the vice guides. Hydraulic joint tightening, when used, adds up extra speed to the described advantages with a single turn of the handle by 90 degrees.

Description

ALL-PURPOSE VICE WITH SELF-ADJUSTABLE SLIDE
THE AREA OF APPLICATION
This Invention deals with the problem of holding firmly an object to be worked on manually or by a machine, e.g. in milling, bending etc. TECHNICAL SOLUTION
The object to be worked on has to be held firmly enough, especially in metal, wood, machine-building and other industries where a higher degree of finishing precision is required. STATE-OF-THE-ART Various solutions with a varying degree of efficiency have been applied, but none wholly satisfactory. As a rule, recourse is taken to the longest possible slide with lathes guiding the slide along the vice paths with minimum clearance. But as the clearance cannot possibly be entirely eliminated, at the final tightening stage the held object is raised and shifted from the vice base. If the workpiece is not parallel with the vice jaws, it is held at two points only, so that irrespective of the tightening force there is a risk for the cutting tool to destabilize or even knock it out of the vice. These are only some problems encountered in the existing designs. The present patent eliminates these problems. THE ESSENCE OF THE INVENTION The primary purpose of the Invention is to ensure that the workpiece is efficiently and firmly held, always at four points or in two lines, no matter how parallel- running it is, with prevention of upward gliding, loss of parallel or vertical line in relation to the vice guides. The secondary but also vital purpose is to provide much smaller tightening forces by means of a flexibly adjustable slide. This solution is applicable to all types of vices, mechanical, hydraulic or pneumatic. The technical novelty of the Invention is as follows:
The nut holder and the truncated reverse cone-shaped nut keep the vice body and the slide together, acting, at the same time, as a pusher in the direction of tightening or disengagement, enabling the slide to rotate around the nut holder and nut axis, which in turn allows self-adjustability, whereas the conical shape of the nut prevents the slide from rising and instead with its final tightening force brings the slide to the vice body; at this stage the vice becomes a single whole. In terms of hydraulics as an integral part of the whole idea, the technical novelty of the Invention is as follows: The working part of the hydraulic system is extended to the joint which, turning by 90 degrees, is pushing the smaller piston which is pushing oil and through the bigger piston moves the bushing with multiple force; this, over a threaded spindle - serving simultaneously for moving the slide to and fro - is pushing the nut holder and thereby the slide in the direction of tightening. BRIEF DESCRIPTION OF DRAWINGS
The attached drawings as part of the description of the Invention illustrate the Invention's optimum design and help clarify its general principles. Fig. 1 - The All-purpose Vice as it looks in real space, with the self-adjustable slide. "MECHANICAL TIGHTENING" Fig. 2 - A- A' cross-section with all its visible parts Fig. 3 - B-B' cross-section with all its visible parts
Fig. 4 - The nut holder and truncated reverse cone-shaped nut as it looks in real space, with a part of the threaded spindle Fig. 5 - Rear part of the vice as it looks in real space, in this case with hydraulic joint tightening
Fig. 6 - A-A' cross-section of only the hydraulic part ending with a part of the threaded spindle having an ending identical to "MECHANICAL TIGHTENING" (Fig- 2) Fig. 7 - A-A' cross-section of only the working part of the hydraulic system in the joint position after final tightening, with the handle removed.
DETAILED DESCRIPTION OF AT LEAST ONE WAY OF APPLICATION By turning the handle (9) through the threaded spindle (5) and the screw nut, which is a constituent part of the grip body (8), the nut holder (12) is pushed forward, and through the truncated reverse cone-shaped nut (13) the slide (4) is moved towards the workpiece which is gently engaged by touching or leaning on the hard jaw; it is followed by final tightening by means of stronger pressure exerted on the handle. "HYDRAULIC JOINT TIGHTENING" proceeds as follows: Fig. 6 and 7: by turning the handle (19) the nut holder (12) is moved through the threaded spindle (5) and the screw nut, which is a constituent part of the bushing (29), whereas the slide (4) is moved through the nut holder and the truncated reverse cone-shaped nut (13). Following a touch with the workpiece and its gentle engagement the joint (18) is turned by means of the handle (19) by 90 degrees. Turning of the joint (18) gives a thrust to the piston (22) which exerts pressure on oil in the chamber (26), whereby via the bigger piston (27) with the sleeve (25) the bushing (29) is pushed by multiple force; in its turn the bushing (29), via the threaded nut and the thieaded spindle, gives a push to the nut holder which through the slide (4) transfers force S- 1 towards tightening not allowing force S-2 to raise the slide (4) and, at the same time, enabling the slide C-C to adapt itself to the non-parallel movements of the held workpiece. When the lateral plates (6) on the slide (4) get down along the vice guides, all the above steps retain the same function, except that the slide (4) is now parallel.
APPLICATION OF THE INVENTION
The Invention can help make a practical, safe, accurate and useful vice at a low cost, including essential improvements compared to the existing vices.

Claims

1. The All-purpose Vice with a Self-adjustable Slide is characterized by the following: the holder with a truncated reverse cone-shaped nut is used as a support around whose axis the movable slide adapts itself to the workpiece and which guides the slide towards the place of tightening and disengagement.
2. The All-purpose Vice with a Self-adjustable Slide is characterized by the following: the slide is self-adjustable both horizontally and vertically, owing to the holder pressing against the vice guides and the truncated reverse cone- shaped nut pressing into the corresponding conical bore of the slide, thereby preventing the slide from rising.
3. The hydraulic system of the All-purpose Vice with a Self-adjustable Slide, according to requirements 1 and 2, is characterized by the following: after touching and gently engaging the workpiece with a single turn of the handle by 90 degrees, fast and strong tightening is done through the joint.
EP99914683A 1998-04-17 1999-04-12 All-purpose vice with self-adjustable slide Expired - Lifetime EP1071541B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
HR980211 1998-04-17
HR980211A HRP980211B1 (en) 1998-04-17 1998-04-17 Universal vice comprising a selfadjustable slider
PCT/HR1999/000005 WO1999054090A1 (en) 1998-04-17 1999-04-12 All-purpose vice with self-adjustable slide

Publications (2)

Publication Number Publication Date
EP1071541A1 true EP1071541A1 (en) 2001-01-31
EP1071541B1 EP1071541B1 (en) 2004-11-03

Family

ID=10946729

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99914683A Expired - Lifetime EP1071541B1 (en) 1998-04-17 1999-04-12 All-purpose vice with self-adjustable slide

Country Status (5)

Country Link
EP (1) EP1071541B1 (en)
AT (1) ATE281280T1 (en)
DE (1) DE69921638T2 (en)
HR (1) HRP980211B1 (en)
WO (1) WO1999054090A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI409141B (en) * 2012-07-20 2013-09-21 Lin Tseh Pei Quick release device for a movable jaw of a vise
DE102013105694A1 (en) * 2013-06-03 2014-12-04 Klaus Hofmann Clamping device, in particular clamping module

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE889880C (en) * 1952-05-06 1953-09-14 Eugen Bauckhage Jaws, especially for vices
US2880638A (en) * 1956-11-23 1959-04-07 Lawrence A Muggli Jaw-advancing, -alignment and -adjusting means for machine-tool vises
DE1171836B (en) * 1958-04-26 1964-06-04 Albert Schrem Fa Threaded spindle for clamping or loosening workpieces
DE1146458B (en) * 1960-11-15 1963-03-28 Rolf Palfner Vice with pull-down jaw
FR2559413B1 (en) * 1984-02-10 1991-05-03 Sagnial Sag Expl Ets VICE FOR MACHINE TOOL, PARTICULARLY FOR MILLING MACHINE OR MACHINE WITH CROSS TABLES
FR2561965B1 (en) * 1984-03-30 1988-08-12 France Outillage Tech IMPROVED VICE FOR MACHINE TOOLS, PARTICULARLY FOR MILLING MACHINES
DE4112418A1 (en) * 1990-06-07 1992-10-22 Franz Dipl Ing Arnold MACHINE VICE
US5141213A (en) * 1991-10-07 1992-08-25 Chern Sen Kuen Vise

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9954090A1 *

Also Published As

Publication number Publication date
HRP980211A2 (en) 2000-02-29
HRP980211B1 (en) 2002-08-31
ATE281280T1 (en) 2004-11-15
EP1071541B1 (en) 2004-11-03
DE69921638T2 (en) 2005-12-01
DE69921638D1 (en) 2004-12-09
WO1999054090A1 (en) 1999-10-28

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