US3862776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gripper tool
Assignee: Individual
•
Filing: 1972-08-29
•
Granted: 1975-01-28
•
Expires: 1992-08-29
Abstract
Abstract A tool for gripping objects for their removal or attachment. The tool is formed by a two-part head with stationary and movable arms. The parts of the head are spaced from each other and contain identical channels for permitting the movable arm to be variously positioned with respect to the stationary arm in order to achieve a durable, yet adjustable gripper tool.
Inventors
- 👤 Ernest G Sims
- 👤 Margaret M Borello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:27
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/02; B25; B25B; B25B7/00; B25B7/06; B25B7/10
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
158 words
A tool for gripping objects comprising an elongated head having a first portion spaced from a second portion, each portion having a longitudinal main channel and a plurality of subchannels communicating with said main channel, the channels of the respective portions being aligned with one another, a first arm affixed to said head and extending outwardly therefrom and a second, outwardly extending arm that is movable between the first and second portions of said head, each of said subchannels extending diagonally away from said fixed arm and having a rounded terminal region opposite its region of connection with its main channel, said movable arm including means for engaging the terminal regions of selected oppositely positioned subchannels in the rounded regions thereof, and the arms have clamping surfaces for gripping objects of a first size and auxiliary clamping members for gripping objects of a second size, different from the first, when said arms are separated by a prescribed distance.
Claim 2
Dependent Claim
158 words
A tool for gripping objects comprising an elongated head having a first portion spaced from a second portion, each portion having a longitudinal main channel and a plurality of subchannels communicating with said main channel, the channels of the respective portions being aligned with one another, a first arm affixed to said head and extending outwardly therefrom and a second, outwardly extending arm that is movable between the first and second portions of said head, each of said subchannels extending diagonally away from said fixed arm and having a rounded terminal region opposite its region of connection with its main channel, said movable arm including means for engaging the terminal regions of selected oppositely positioned subchannels in the rounded regions thereof, and the arms have clamping surfaces for gripping objects of a first size and auxiliary clamping members for gripping objects of a second size, different from the first, when said arms are separated by a prescribed distance.
Claim 3
Dependent Claim
33 words
A gripper tool as defined in claim 1 wherein said head is formed from a single piece of folded material that is open at one side thereof and closed at the other side.
Claim 4
Dependent Claim
21 words
A gripper tool as defined in claim 2 wherein said first arm is affixed at the open side of said head.
Claim 5
Dependent Claim
21 words
A gripper tool as defined in claim 1 wherein the first and second arms are hollow members of rectangular cross section.
Claim 6
Dependent Claim
19 words
A gripper tool as defined in claim 4 wherein said arms have gripper regions coated wIth an elastomeric material.
References Cited (Backward Citations)
US1344629A
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US1368966A
Cited
US1638891A
Cited
US2385556A
Cited
US2569608A
Cited
US2758622A
Cited
US3338281A
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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) | 1978-01-27 | 1978-07-29 | 1979-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-27 | 1982-07-29 | 1983-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-27 | 1986-07-29 | 1987-01-28 | $7700.00 | Window Closed / Lapsed |