US3598392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixing devices
Assignee: INTERTEC LE QUINTIN A CORP OF FRANCE Ste
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Filing: 1968-08-13
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Granted: 1971-08-10
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Expires: 1988-08-13
Abstract
Abstract A method and apparatus for securing a workpiece to a support by a fixing device having a portion of noncircular cross section capable of entering a hole of noncircular cross section in the workpiece and rotatable to grip against a sidewall of the hole or recess. The fixing device is retained by, and may be mounted in, the support which may be fixed to a pallet.
Inventors
- 👤 David T N Williamson
- 👤 Peter G Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:43
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/10; B23Q3/106; B23Q1/00; B23Q1/0063; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7005
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
106 words
A support device for holding a workpiece for the workpiece to be machined, and comprising a body portion having means for securing it to a baseplate, a rotatable member retained in the body portion and having a threaded rodlike part protruding therefrom, means in the body portion to rotate the rotatable member, the rodlike part having a circular cross section with at least two regularly disposed cut away portions, the rodlike part being adapted for entry into a suitable similarly shaped slightly larger hole in the workpiece and on rotational movement to cut threads in the wall of the hole and jam itself in the hole.
Claim 2
Dependent Claim
106 words
A support device for holding a workpiece for the workpiece to be machined, and comprising a body portion having means for securing it to a baseplate, a rotatable member retained in the body portion and having a threaded rodlike part protruding therefrom, means in the body portion to rotate the rotatable member, the rodlike part having a circular cross section with at least two regularly disposed cut away portions, the rodlike part being adapted for entry into a suitable similarly shaped slightly larger hole in the workpiece and on rotational movement to cut threads in the wall of the hole and jam itself in the hole.
Claim 3
Dependent Claim
148 words
A support device for holding a workpiece for the workpiece to be machined, and comprising a body portion having means for securing it to a baseplate, a rotatable member retained in the body portion and having a threaded rodlike part protruding therefrom, means in the body portion to rotate the rotatable member, the rodlike part having a circular cross section with at least two regularly disposed cut away portions, the rodlike part being adapted for entry into a suitable similarly shaped slightly larger hole in the workpiece and on rotational movement to cut threads in the wall of the hole and jam itself in the hole, said means to rotate the rotatable member including a worm wheel secured to the rotatable member, a worm mounted in the support device and in engagement with the worm wheel, the worm receiving a key member by which it may be rotated.
Claim 4
Dependent Claim
148 words
A support device for holding a workpiece for the workpiece to be machined, and comprising a body portion having means for securing it to a baseplate, a rotatable member retained in the body portion and having a threaded rodlike part protruding therefrom, means in the body portion to rotate the rotatable member, the rodlike part having a circular cross section with at least two regularly disposed cut away portions, the rodlike part being adapted for entry into a suitable similarly shaped slightly larger hole in the workpiece and on rotational movement to cut threads in the wall of the hole and jam itself in the hole, said means to rotate the rotatable member including a worm wheel secured to the rotatable member, a worm mounted in the support device and in engagement with the worm wheel, the worm receiving a key member by which it may be rotated.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |