T-handle operable rotary latch and lock
US6651467B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2000 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | May 14, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1047
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A slam-capable, T-handle operated rotary latch has a pan-shaped housing for nesting the T-handle and employs a single rotary jaw that is releasably retained in its latched. position by a rotary pawl. The latch has spaced first and second side plates that sandwich the rotary jaw, the rotary pawl and a torsion spring that biases the jaw toward an open position. The pawl defines a release trigger which, when tripped, permits the jaw to be pivoted by the torsion spring to an open position. A compact arrangement of stop formations and independently pivotal operating arms is provided adjacent a backwall of the housing to enable the T-handle to trip the release trigger during forward pivoting of the T-handle and the operating arms in opposition to the action of a return spring, and to limit reverse pivotal movement of the operating arms and the T-handle under the influence of the return spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.