US4530529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Externally accessible adjuster for flush latches
Assignee: Hartwell Corp
•
Filing: 1982-05-07
•
Granted: 1985-07-23
•
Expires: 2002-05-07
Abstract
Abstract An externally accessible adjuster and latch having a biasing means such as a leaf spring for preventing inadvertent rotation of the adjuster.
Inventors
- 👤 Lloyd R. Poe
- 👤 Bernard W. Henrichs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:47
CPC Classifications
E; E05; E05B; E05B15/00; E05B15/02; E05B15/0205; E05B15/024; E05B15/025; E05C; E05C19/00; E05C19/10; E05C19/12; E05C19/14; E05C19/145; Y; Y10; Y10S; Y10S292/00; Y10S292/31; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0917; Y10T292/68; Y10T292/705
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
108 words
A latch mechanism for joining first and second members, comprising a latch arm mounted to the first member; a keeper element for engaging said latch arm; a screw threaded shaft extending from said keeper element; a guide on the second member slidably receiving said shaft; a wheel screw threaded on said shaft, rotatably mounted in said guide and having a ring of radially extending slots accessible in sequence through an access opening in the first member to a turning tool; and at least one leaf spring fixed relative to the guide and having a detent biased by said leaf spring toward engagement with said slots of said wheel.
Claim 2
Dependent Claim
108 words
A latch mechanism for joining first and second members, comprising a latch arm mounted to the first member; a keeper element for engaging said latch arm; a screw threaded shaft extending from said keeper element; a guide on the second member slidably receiving said shaft; a wheel screw threaded on said shaft, rotatably mounted in said guide and having a ring of radially extending slots accessible in sequence through an access opening in the first member to a turning tool; and at least one leaf spring fixed relative to the guide and having a detent biased by said leaf spring toward engagement with said slots of said wheel.
Claim 3
Dependent Claim
23 words
The latch mechanism of claim 1 wherein said guide includes a plate fixed relative to the second member to axially retain said wheel.
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) | 1988-07-22 | 1989-01-21 | 1989-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-22 | 1993-01-21 | 1993-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-22 | 1997-01-21 | 1997-07-23 | $7700.00 | Window Closed / Lapsed |