Locking device
US7762605B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2006 |
| Grant date | Jul 27, 2010 |
| Priority date | — |
| Expiry date | Jan 11, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2136
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A spring force of a thrust spring can be determined independently of a spring force of a locking spring, reducing an operating load of an unlocking operation. A locking device includes a locking mechanism provided on one of two members to be engaged with each other, and a striker provided on the other of the two members. The locking mechanism includes a base plate, a hook, a pawl, a cam, a locking spring, a thrust spring and a canceling plate. The base plate has a recess that is capable of receiving the striker. The hook, when rotated relative to the base plate, is capable of forming a locked condition in which the striker is held between the hook and the recess of the base plate or an unlocked condition in which the hook is spaced away from the striker. The pawl is capable of rotating relative to the base plate and maintaining the hook in the locked condition. The cam is capable of further pressing the hook in the locked condition toward a locking direction. The locking spring is capable of biasing the hook and the pawl such that the hook and the pawl are stabilized in the locked condition or the unlocked condition. The thrust spring is capable of biasing the cam in a direction to…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.