EP0501330A1 - Tooling for unitized car body straightening stands - Google Patents
Tooling for unitized car body straightening stands Download PDFInfo
- Publication number
- EP0501330A1 EP0501330A1 EP92102931A EP92102931A EP0501330A1 EP 0501330 A1 EP0501330 A1 EP 0501330A1 EP 92102931 A EP92102931 A EP 92102931A EP 92102931 A EP92102931 A EP 92102931A EP 0501330 A1 EP0501330 A1 EP 0501330A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tooling
- face
- fixture
- car body
- unitized
- 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
Links
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/12—Straightening vehicle body parts or bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/14—Straightening frame structures
Definitions
- This invention relates to a tooling for unitized car body straightening stands, being of a type which comprises a cube element made unitary with a pillar through one face and having the other faces free, a fixture to be selected from a plurality of fixtures, and a keeper arrangement for clamping the fixture to the cube element.
- a unitized car body to be straightened is set on the stand by securing it to specially provided fixtures, at spots on the car body unaffected by the damage.
- the damaged portion of the car body is then subjected to strong pulling forces, applied to it through chains or the like, for straightening until its damaged spots are brought one at a time to contact the respective fixture, thereby they can be firmly secured on the latter.
- fixtures which equip a straightening stand can be of varying types to agree with key spots of an individual car body and different unitized car body designs.
- the fixtures have to be replaced each time to suit a specific unitized car body design under repair.
- the aforesaid demands are met by having the means for clamping the fixtures to the cube element comprised of four screws which engage in four threaded holes provided at the apices of each face of the cube element.
- a tooling as indicated being characterized in that the keeper arrangement comprises a mortise joint and a clamping screw.
- a tooling for a unitized car body straightening stand useful to secure a key spot of the car body to the stand.
- the tooling 1 comprises a cube element 2 which is made fast, through an inward face 3 thereof, with the top end of a pillar 4, and has its other faces 5 free.
- the tooling 1 also includes a fixture 6, to be selected from a kit of fixtures, which has an anchor portion 7, being in this example in the form of an eye with an axis Y-Y, adapted for securing an area of the unitized car body -- e.g. a support pad for the engine block -- and a plate-like portion 8 having a square face 9 which is same as the cube element faces.
- a fixture 6 to be selected from a kit of fixtures, which has an anchor portion 7, being in this example in the form of an eye with an axis Y-Y, adapted for securing an area of the unitized car body -- e.g. a support pad for the engine block -- and a plate-like portion 8 having a square face 9 which is same as the cube element faces.
- the fixture 6 is intended for attachment, through its face 9, to one of the free faces 5 of cube element 2, using a keeper arrangement generally designated 10.
- the keeper arrangement 10 comprises a mortise joint 11 created between the face 9 and each free face 5 of the cube element, and a screw 12 having an axis X-X perpendicular to face 9.
- the joint 11 includes a tenon 13 protruding from face 9 and a mortise 14 formed in each face 5 of the cube element 2.
- the tenon 13 is a cross pattern with arms 13a of the cross extending along the median lines of face 9.
- a broad undercut 13b is formed in the cross-pattern tenon and part of the plate-like portion 8 at the barycenter of face 9.
- the mortise 14 is also a cross-like pattern, with arms 14a of the cross extending along the median lines of face 5.
- the screw 12 complete with a washer 12a, is adapted to go through a hole 15 formed in plate 8 at the barycenter of face 9 and engage threadably in a threaded hole 16 formed in each free face 5 of the cube element, again at the respective face barycenter.
- the fixture 6 is secured to the cube element 2 by engaging tenon 13 in 14 on a face 5 of the cube element, and then tightening the screw 12.
- the fixture is secured to the cube element in a releasable manner by means of the screw and so as to inhibit undesired movements thereof, e.g. pivotal movements about axis X-X, by virtue of the tenon 13 becoming engaged in the mortise 14.
- a major advantage of the tooling according to this invention is the quick way of securing and removing the fixture to/from the cube element and replacing it with another fixture, as required. It has been found in actual practice of the inventive tooling that the time required to replace the fixture can be reduced to about one fourth.
- a further advantage of the tooling according to the invention is that it is more reliable, since any problems from incomplete securement of the fixture to the cube element, as may result from hasty or careless setting by an operator, can be avoided completely.
- an additional advantage is that the mortise joint of the inventive tooling interlocks the joined parts, thereby taking up most of the loads and relieving the screw of much of the stress involved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
- This invention relates to a tooling for unitized car body straightening stands, being of a type which comprises a cube element made unitary with a pillar through one face and having the other faces free, a fixture to be selected from a plurality of fixtures, and a keeper arrangement for clamping the fixture to the cube element.
- As is known, with stands for straightening the unitized car bodies of collision-damaged motor vehicles, a unitized car body to be straightened is set on the stand by securing it to specially provided fixtures, at spots on the car body unaffected by the damage.
- The damaged portion of the car body is then subjected to strong pulling forces, applied to it through chains or the like, for straightening until its damaged spots are brought one at a time to contact the respective fixture, thereby they can be firmly secured on the latter.
- It follows front the above that the fixtures are to withstand unharmed considerable stresses during the car body straightening operation.
- Also known is that the fixtures which equip a straightening stand can be of varying types to agree with key spots of an individual car body and different unitized car body designs.
- Accordingly, the fixtures have to be replaced each time to suit a specific unitized car body design under repair.
- With prior art tooling, the aforesaid demands are met by having the means for clamping the fixtures to the cube element comprised of four screws which engage in four threaded holes provided at the apices of each face of the cube element.
- While being in many ways satisfactory, such prior tooling has a drawback, forcibly accepted heretofore: that is, considerable time is required to replace a fixture. This reflects on the stand operation, making it fairly expensive and slow to run.
- It is the object of this invention to provide a tooling of the kind specified hereinabove, which has such constructional and performance features as to meet the aforesaid demands, and overcome the above-noted drawback as well.
- This object is achieved by a tooling as indicated being characterized in that the keeper arrangement comprises a mortise joint and a clamping screw.
- Further features and the advantages of this invention will become apparent from the following detailed description of an embodiment thereof, given by way of example and not of limitation with reference to the accompanying drawing, the single Figure whereof shows an exploded perspective view of a tooling according to the invention.
- With reference to the drawing figure, generally indicated at 1 is a tooling for a unitized car body straightening stand, useful to secure a key spot of the car body to the stand.
- The
tooling 1 comprises acube element 2 which is made fast, through an inward face 3 thereof, with the top end of a pillar 4, and has itsother faces 5 free. - The
tooling 1 also includes afixture 6, to be selected from a kit of fixtures, which has an anchor portion 7, being in this example in the form of an eye with an axis Y-Y, adapted for securing an area of the unitized car body -- e.g. a support pad for the engine block -- and a plate-like portion 8 having a square face 9 which is same as the cube element faces. - The
fixture 6 is intended for attachment, through its face 9, to one of thefree faces 5 ofcube element 2, using a keeper arrangement generally designated 10. - The
keeper arrangement 10 comprises amortise joint 11 created between the face 9 and eachfree face 5 of the cube element, and ascrew 12 having an axis X-X perpendicular to face 9. - In particular the
joint 11 includes atenon 13 protruding from face 9 and amortise 14 formed in eachface 5 of thecube element 2. - The
tenon 13 is a cross pattern witharms 13a of the cross extending along the median lines of face 9. A broad undercut 13b is formed in the cross-pattern tenon and part of the plate-like portion 8 at the barycenter of face 9. Themortise 14 is also a cross-like pattern, witharms 14a of the cross extending along the median lines offace 5. - The
screw 12, complete with awasher 12a, is adapted to go through ahole 15 formed inplate 8 at the barycenter of face 9 and engage threadably in a threadedhole 16 formed in eachfree face 5 of the cube element, again at the respective face barycenter. - The
fixture 6 is secured to thecube element 2 by engagingtenon 13 in 14 on aface 5 of the cube element, and then tightening thescrew 12. In this way, the fixture is secured to the cube element in a releasable manner by means of the screw and so as to inhibit undesired movements thereof, e.g. pivotal movements about axis X-X, by virtue of thetenon 13 becoming engaged in themortise 14. - A major advantage of the tooling according to this invention is the quick way of securing and removing the fixture to/from the cube element and replacing it with another fixture, as required. It has been found in actual practice of the inventive tooling that the time required to replace the fixture can be reduced to about one fourth.
- A further advantage of the tooling according to the invention is that it is more reliable, since any problems from incomplete securement of the fixture to the cube element, as may result from hasty or careless setting by an operator, can be avoided completely.
- Lastly, an additional advantage is that the mortise joint of the inventive tooling interlocks the joined parts, thereby taking up most of the loads and relieving the screw of much of the stress involved.
- Not least advantage of this tooling is that it readily lends itself, at the tooling manufacturing stage, to fast and accurate machining on standard equipment.
- Understandably, the tooling described hereinabove may be altered and modified in several ways by a skilled person in the art to meet specific and contingent demands, and all this within the invention scope as defined in the appended claims.
Claims (6)
- A tooling (1) for unitized car body straightening stands, being of a type which comprises a cube element (2) made unitary with a pillar (4) through one face (3) and having the other faces (5) free, a fixture (6) to be selected from a plurality of fixtures, and a keeper arrangement (10) for clamping the fixture (6) to the cube element (2), characterized in that the keeper arrangement (10) comprises a mortise joint (11) and a clamping screw (12).
- A tooling (1) according to Claim 1, characterized in that said mortise joint (11) comprises a tenon (13) protruding from the fixture (6) and a mortise (14) formed in the cube element (2).
- A tooling (1) according to Claim 2, characterized in that the mortise (14) is a cross-like pattern.
- A tooling (1) according to Claim 3, characterized in that the tenon (13) is a cross-like pattern.
- A tooling (1) according to Claim 4, characterized in that it has an undercut (13b) formed in the tenon (13) around the barycenter of the face (5).
- A tooling (1) according to Claim 5, characterized in that the screw (12) extends at the barycenter of the face (5).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI910146U | 1991-02-25 | ||
IT000146 IT221642Z2 (en) | 1991-02-25 | 1991-02-25 | BENCH EQUIPMENT FOR STRAIGHTENING OF VEHICLE BODIES |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0501330A1 true EP0501330A1 (en) | 1992-09-02 |
EP0501330B1 EP0501330B1 (en) | 1995-10-04 |
Family
ID=11358214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19920102931 Expired - Lifetime EP0501330B1 (en) | 1991-02-25 | 1992-02-21 | Tooling for unitized car body straightening stands |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0501330B1 (en) |
JP (1) | JP2565799Y2 (en) |
DK (1) | DK0501330T3 (en) |
ES (1) | ES2079707T3 (en) |
GR (1) | GR3018084T3 (en) |
IT (1) | IT221642Z2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997010906A1 (en) * | 1995-09-23 | 1997-03-27 | Herbert Meyer | Adjustable force deflection device for vehicle work benches |
WO2006095378A1 (en) * | 2005-03-11 | 2006-09-14 | Globaljig International S.R.L. | A device and method for fastening locator jigs in straightening benches for vehicle bodies |
EP1897631A1 (en) * | 2006-09-07 | 2008-03-12 | Car-O-Liner Ab | Levelling bench arrangement, set of accessories for a levelling bench arrangement, and method for preparation of a levelling bench for a particular vehicle model |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2668727A (en) * | 1950-12-22 | 1954-02-09 | Zinke Erwin Max | Device for repairing automobile body members and the like |
DE2408350A1 (en) * | 1974-02-21 | 1975-08-28 | Mauser Schaerer Gmbh | WORKING DEVICE USED AS A MANUFACTURING AIDS |
GB2098522A (en) * | 1981-05-15 | 1982-11-24 | Marchio Achille | Bench for repairing motor vehicle bodies |
-
1991
- 1991-02-25 IT IT000146 patent/IT221642Z2/en active IP Right Grant
-
1992
- 1992-02-21 ES ES92102931T patent/ES2079707T3/en not_active Expired - Lifetime
- 1992-02-21 DK DK92102931T patent/DK0501330T3/en active
- 1992-02-21 EP EP19920102931 patent/EP0501330B1/en not_active Expired - Lifetime
- 1992-02-25 JP JP826392U patent/JP2565799Y2/en not_active Expired - Lifetime
-
1995
- 1995-11-15 GR GR950403202T patent/GR3018084T3/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2668727A (en) * | 1950-12-22 | 1954-02-09 | Zinke Erwin Max | Device for repairing automobile body members and the like |
DE2408350A1 (en) * | 1974-02-21 | 1975-08-28 | Mauser Schaerer Gmbh | WORKING DEVICE USED AS A MANUFACTURING AIDS |
GB2098522A (en) * | 1981-05-15 | 1982-11-24 | Marchio Achille | Bench for repairing motor vehicle bodies |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997010906A1 (en) * | 1995-09-23 | 1997-03-27 | Herbert Meyer | Adjustable force deflection device for vehicle work benches |
US6085568A (en) * | 1995-09-23 | 2000-07-11 | Meyer; Herbert | Adjustable force deflection device for vehicle work benches |
WO2006095378A1 (en) * | 2005-03-11 | 2006-09-14 | Globaljig International S.R.L. | A device and method for fastening locator jigs in straightening benches for vehicle bodies |
EP1897631A1 (en) * | 2006-09-07 | 2008-03-12 | Car-O-Liner Ab | Levelling bench arrangement, set of accessories for a levelling bench arrangement, and method for preparation of a levelling bench for a particular vehicle model |
US7810245B2 (en) | 2006-09-07 | 2010-10-12 | Car-O-Liner Ab | Levelling bench arrangement, set of accessories for a levelling bench arrangement, and method for preparation of a levelling bench for a particular vehicle model |
Also Published As
Publication number | Publication date |
---|---|
JPH04119767U (en) | 1992-10-27 |
GR3018084T3 (en) | 1996-02-29 |
DK0501330T3 (en) | 1996-01-29 |
ITMI910146U1 (en) | 1992-08-25 |
JP2565799Y2 (en) | 1998-03-18 |
ITMI910146V0 (en) | 1991-02-25 |
IT221642Z2 (en) | 1994-07-23 |
ES2079707T3 (en) | 1996-01-16 |
EP0501330B1 (en) | 1995-10-04 |
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