US3565416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixing devices
Assignee: INTERTEC LE QUINTIN A CORP OF FRANCE Ste
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Filing: 1968-08-15
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Granted: 1971-02-23
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Expires: 1988-08-15
Abstract
Abstract A device for securing a workpiece to a pallet for a machining operation, the device being operated from its side between the workpiece and the pallet to secure and release the workpiece so that an access hole to the device through the workpiece is unnecessary; the device may therefore engage in a blind hole in the underside of the workpiece.
Inventors
- 👤 David T N Williamson
- 👤 Peter G Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:32
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/10; B23Q1/00; B23Q1/0063; B23Q3/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A fixing support device for securing a workpiece to a baseplate for the workpiece to be machined, comprising a support housing having a raised support surface parallel with the surface of the baseplate on which the workpiece is to rest and fixing means for securing the opposite side of the housing to the baseplate, workpiece gripping means retained in the housing and having an end protruding through the support surface, a wormwheel retained in the housing with its central plane parallel with the surface of the baseplate and the support surface and rotatable to move the workpiece gripping means to grip the sidewall of a hole in the workpiece into which the protruding part of the workpiece gripping means is inserted, an a worm in the housing with its axis parallel wiTh the surface of the baseplate and in engagement with the wormwheel to rotate it, the worm having an axial keyway to receive a key at the side of the housing between the workpiece and the baseplate to rotate the worm.
Claim 2
Dependent Claim
172 words
A fixing support device for securing a workpiece to a baseplate for the workpiece to be machined, comprising a support housing having a raised support surface parallel with the surface of the baseplate on which the workpiece is to rest and fixing means for securing the opposite side of the housing to the baseplate, workpiece gripping means retained in the housing and having an end protruding through the support surface, a wormwheel retained in the housing with its central plane parallel with the surface of the baseplate and the support surface and rotatable to move the workpiece gripping means to grip the sidewall of a hole in the workpiece into which the protruding part of the workpiece gripping means is inserted, an a worm in the housing with its axis parallel wiTh the surface of the baseplate and in engagement with the wormwheel to rotate it, the worm having an axial keyway to receive a key at the side of the housing between the workpiece and the baseplate to rotate the worm.
References Cited (Backward Citations)
US1806887A
Cited
US1438250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |