US4538485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lockable plier tool
Assignee: Individual
•
Filing: 1984-03-26
•
Granted: 1985-09-03
•
Expires: 2004-03-26
Abstract
Abstract A lockable plier-type tool having the lockable features selectively engageable and including handle flexibility and locking element positioning that enhances its gripping capabilities. The locking elements are also arranged and constructed so that the plier may conveniently be used in the conventional manner (i.e. without the locking feature) and may exhibit any desired jaw configuration.
Inventors
- 👤 Tauno Saila
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:01
CPC Classifications
B; B25; B25B; B25B7/00; B25B7/14; B25B7/16
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
75 words
A plier-type tool adapted to retentatively grip an object and comprising a part of pivotally connected handles having oppositely protruding gripping jaws, one said handle having pivotally mounted thereon a ratchet, the other said handle having pivotally mounted thereon a pawl, said ratchet and pawl being separately spring biased away from the pivotal connection of said handles and that handle carrying said pawl includes means to retain the pawl out of engagement with said ratchet.
Claim 2
Dependent Claim
75 words
A plier-type tool adapted to retentatively grip an object and comprising a part of pivotally connected handles having oppositely protruding gripping jaws, one said handle having pivotally mounted thereon a ratchet, the other said handle having pivotally mounted thereon a pawl, said ratchet and pawl being separately spring biased away from the pivotal connection of said handles and that handle carrying said pawl includes means to retain the pawl out of engagement with said ratchet.
Claim 3
Dependent Claim
26 words
A plier-type tool according to claim 1 wherein said pawl incorporates a hook-like element and said means is a ring detachably engagable with said hook-like element.
Claim 4
Dependent Claim
20 words
A plier-type tool according to claim 1 wherein said arm is positioned and retained within the confines of said handle.
Claim 5
Dependent Claim
37 words
A plier-type tool according to claim 1 wherein said ratchet and said pawl are pivotally attached to said handles and said ratchet carries a stop member which assures a continued interrelationship of the ratchet with said pawl.
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) | 1988-09-02 | 1989-03-04 | 1989-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-02 | 1993-03-04 | 1993-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-02 | 1997-03-04 | 1997-09-03 | $7700.00 | Window Closed / Lapsed |