Convertible cylinder lock
US6178789A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1999 |
| Grant date | Jan 30, 2001 |
| Priority date | — |
| Expiry date | Mar 30, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/8865
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A convertible cylinder lock handle comprises a hub, a handle extending from the hub, and a drive shaft extending from the hub along an axis of handle rotation. The hub has a channel sized to receive a lock cylinder and a slot that extends along and spacially communicates with the channel sized to receive a spring loaded lock cylinder bolt. The lock handle also has a bolt lock plate sized to be received in reversible orientations within the slot that has two stops spaced apart a distance to receive and entrap the cylinder bolt therebetween. One of the stops has a ramp for camming engagement with the spring loaded cylinder bolt whereby in one lock plate orientation the bolt is locked out of the lock plate and in its reversed orientation the lock plate receives and entraps the bolt. The handle is particularly suited for use on delivery van type vehicles as it is fully compatible with existing lock cylinders that may be removed with spanner tools without having to disassemble the handle. This enables van fleet users and body manufacturers to determine key numbers after the handles have been installed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.