Patent US3937451A successfully refreshed from Google Patents.
US3937451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holder
Assignee: Individual
•
Filing: 1975-03-03
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Granted: 1976-02-10
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Expires: 1995-03-03
Abstract
Abstract A holder includes a first clamp and a second clamp, the first clamp having a first extension and the second clamp having a second extension, and gripping means having an opening defined therein for receiving the first and second extensions. The opening within the gripping means is of variable size so as to permit rotation of the first and second clamps when the opening is not constricted and to prevent rotation of either the first or second clamps when the opening is constricted, means also being provided to vary the size of the opening within the gripper means. Frictionless washers are interposed between the gripping means and the clamps and the extensions are spaced from each other, even when assembled, so as to facilitate the angular adjustment of the clamps and the workpieces held thereby, the stable support of the device nevertheless being maintained due to the interaction between the gripping means and the clamp extensions.CROSS-REFERENCE TO RELATED APPLICATIONS
Inventors
- 👤 Philip J. DiPaola
- 👤 Charles M. Boye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:49
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/006; B25B5/06; B25B5/10; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7105
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
241 words
Holding means comprising: a first clamp having a first extension means integrally formed therewith; a second clamp having a second extension means integrally formed therewith; variable sized means for rotatably gripping said first and second extension means whereby said first and second clamps are rotatably secured together so as to be angularly adjustable with respect to one another when said variable sized means is of a first size, and for fixedly gripping said first and second extension means whereby said first and second clamps are fixedly secured together at a selected angular position with respect to one another when said variable sized means is of a second size which is smaller than said first size; said first and second extensions and said variable sized means being axially aligned; said first and second extensions being spaced apart from each other by said variable sized means so as to define a gap therebetween when said variable-sized means is either of said first or second size; a first washer interposed between said variable-sized means and said first clamp; a second washer interposed between said variable-sized means and said second clamp; and means for varying said size of said variable sized means whereby the adjustability of said holding means and said clamps relative to one another is facilitated by said washers and said gap defined between said extensions, yet said clamps are stably supported with respect to each other by said variable sized gripping means.
Claim 2
Dependent Claim
241 words
Holding means comprising: a first clamp having a first extension means integrally formed therewith; a second clamp having a second extension means integrally formed therewith; variable sized means for rotatably gripping said first and second extension means whereby said first and second clamps are rotatably secured together so as to be angularly adjustable with respect to one another when said variable sized means is of a first size, and for fixedly gripping said first and second extension means whereby said first and second clamps are fixedly secured together at a selected angular position with respect to one another when said variable sized means is of a second size which is smaller than said first size; said first and second extensions and said variable sized means being axially aligned; said first and second extensions being spaced apart from each other by said variable sized means so as to define a gap therebetween when said variable-sized means is either of said first or second size; a first washer interposed between said variable-sized means and said first clamp; a second washer interposed between said variable-sized means and said second clamp; and means for varying said size of said variable sized means whereby the adjustability of said holding means and said clamps relative to one another is facilitated by said washers and said gap defined between said extensions, yet said clamps are stably supported with respect to each other by said variable sized gripping means.
Claim 3
Dependent Claim
56 words
Holding means in accordance with claim 1 wherein: said variable sized means is a split ring, said split ring having a threaded bore at one end and a non-threaded bore at the other end, and a threaded rod is disposed within said threaded and non-threaded bores which when tightened constricts the opening of said split ring.
Claim 4
Dependent Claim
43 words
Holding means in accordance with claim 2 wherein: said opening of said split ring is defined by means of annular sections, said first and second extensions each having substantially the shape of a truncated cone and being simultaneously disposed within said annular sections.
Claim 5
Dependent Claim
49 words
Holding means in accordance with claim 3 wherein: said annular sections comprise two angled halves; and said first and second extensions are similarly angled so as to permit said first and second extensions to be complimentarily disposed within and with respect to said two angled halves within said opening.
Claim 6
Dependent Claim
65 words
Holding means in accordance with claim 3 wherein: said annular sections comprises two angled halves with each half inclined at an angle of substantially 15°; and said first and second extensions are similarly inclined at an angle of substantially 15° so as to permit said first and second extensions to be complimentarily disposed within and with respect to said two angled halves within said opening.
Claim 7
Dependent Claim
40 words
Holding means in accordance with claim 5 further comprising: a dowel rididly affixed to said first extension; and an opening defined within said second extension for receiving said dowel, whereby said clamps are maintained aligned with respect to each other.
Claim 8
Dependent Claim
16 words
Holding means in accordance with claim 1 wherein: said first and said second washers are nylon.
Claim 9
Dependent Claim
69 words
Holding means in accordance with claim 7 wherein said first and second clamps each comprise: a first surface, a second surface and a third surface, said first and third surfaces being substantially perpendicularly disposed to said second surface; a threaded opening defined within said first surface; and a threaded rod passing through said threaded opening so that an object may be clamped between said rod and said third surface.
Claim 10
Dependent Claim
35 words
Holding means in accordance with claim 8 wherein: said second surface of said first clamp is integral with said first extension; and said second surface of said second clamp is integral with said second extension.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-02-09 | 1979-08-11 | 1980-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-09 | 1983-08-11 | 1984-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-09 | 1987-08-11 | 1988-02-10 | $7700.00 | Window Closed / Lapsed |