US3220743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gripping device
Assignee: Individual
•
Filing: 1964-06-29
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Granted: 1965-11-30
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Knapp Wilfred Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:15
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/16; B21C1/27; B21C1/28; B21F; B21F23/00; B21F23/002; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3969; Y10T24/44; Y10T24/44291; Y10T24/44376; Y10T24/44385; Y10T24/44402; Y10T24/4441; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17171; Y10T279/17179; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
232 words
A DEVICE FOR GRIPPING WIRES, RODS, TUBES AND THE LIKE WHEN MOVED IN ONE DIRECTION WITH RESPECT THERETO, BUT AUTOMATICALLY RELEASABLE FROM GRIPPING ENGAGEMENT THEREWITH WHEN MOVED IN THE OPPOSITE DIRECTION WITH RESPECT THERETO COMPRISING; A HOUSING; A GRIPPING MEMBER MEMBER MOUNTED IN SAID HOUSING FOR SLIDABLE MOVEMENT IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID HOUSING AND FOR PIVOTABLE MOVEMENT IN A PLANE PASSING THROUGH SAID LONGITUDINAL AXIS, SAID GRIPPING MEMBER HAVING AN OPENING PASSING THERETHROUGH SUBSTANTIALLY PARALLEL TO SAID LONGITUDINAL AXIS AND OF SLIGHTLY LARGER SIZE THAN A WIRE, ROD, TUBE OR THE LIKE TO BE GRIPPED BY SAID GRIPPING MEMBER, SAID GRIPPING MEMBER HAVING A FACE INCLINED AT AN ACUTE ANGLE TO SAID LONGITUDINAL AXIS; SAID HOUSING HAVING A SECOND MEMBER THEREIN HAVING A SECOND FACE ALSO INCLINED AT AN ACUTE ANGLE TO SAID LONGITUDINAL AXIS AND COOPERABLE WITH SAID FACE OF SAID GRIPPING MEMBER TO PROVIDE A SURFACE ON WHICH SAID FACE OF SAID GRIPPING MEMBER MAY SLIDE DURING MOVEMENT OF SAID GRIPPING MEMBER IN SAID HOUSING; AND BIASING MEANS FOR BIASING SAID FACE OF SAID GRIPPING MEMBER INTO ENGAGEMENT WITH SAID SECOND FACE; SAID HOUSING AND SAID SECOND MEMBER HAVING OPENINGS EXTENDING THERETHROUGH ALONG SAID LONGITUDINAL AXIS AND ALIGNABLE WITH THE OPENING IN SAID GRIPPING MEMBER OF DEFINE A PASSAGE EXTENDING THROUGH SAID DEVICE ADAPTED TO RECEIVE A WIRE, ROD, TUBE OR THE LIKE.
Claim 2
Independent Claim
232 words
A DEVICE FOR GRIPPING WIRES, RODS, TUBES AND THE LIKE WHEN MOVED IN ONE DIRECTION WITH RESPECT THERETO, BUT AUTOMATICALLY RELEASABLE FROM GRIPPING ENGAGEMENT THEREWITH WHEN MOVED IN THE OPPOSITE DIRECTION WITH RESPECT THERETO COMPRISING; A HOUSING; A GRIPPING MEMBER MEMBER MOUNTED IN SAID HOUSING FOR SLIDABLE MOVEMENT IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID HOUSING AND FOR PIVOTABLE MOVEMENT IN A PLANE PASSING THROUGH SAID LONGITUDINAL AXIS, SAID GRIPPING MEMBER HAVING AN OPENING PASSING THERETHROUGH SUBSTANTIALLY PARALLEL TO SAID LONGITUDINAL AXIS AND OF SLIGHTLY LARGER SIZE THAN A WIRE, ROD, TUBE OR THE LIKE TO BE GRIPPED BY SAID GRIPPING MEMBER, SAID GRIPPING MEMBER HAVING A FACE INCLINED AT AN ACUTE ANGLE TO SAID LONGITUDINAL AXIS; SAID HOUSING HAVING A SECOND MEMBER THEREIN HAVING A SECOND FACE ALSO INCLINED AT AN ACUTE ANGLE TO SAID LONGITUDINAL AXIS AND COOPERABLE WITH SAID FACE OF SAID GRIPPING MEMBER TO PROVIDE A SURFACE ON WHICH SAID FACE OF SAID GRIPPING MEMBER MAY SLIDE DURING MOVEMENT OF SAID GRIPPING MEMBER IN SAID HOUSING; AND BIASING MEANS FOR BIASING SAID FACE OF SAID GRIPPING MEMBER INTO ENGAGEMENT WITH SAID SECOND FACE; SAID HOUSING AND SAID SECOND MEMBER HAVING OPENINGS EXTENDING THERETHROUGH ALONG SAID LONGITUDINAL AXIS AND ALIGNABLE WITH THE OPENING IN SAID GRIPPING MEMBER OF DEFINE A PASSAGE EXTENDING THROUGH SAID DEVICE ADAPTED TO RECEIVE A WIRE, ROD, TUBE OR THE LIKE.
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |