Lock for spare tire hoist
US5077995A · kind A · utility
Inventor
Key dates
| Filing date | Mar 18, 1991 |
| Grant date | Jan 7, 1992 |
| Priority date | — |
| Expiry date | Mar 18, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/5987
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Disclosed is locking apparatus for use on a vehicle that mounts a spare tire on a hoistable carrier mounted under the lower rear end of the vehicle, near the near bumper, the tire carrier being lowerable to a position that gives access to the spare tire, by use of a hand crank that is connectable to the hoist by way of a hole in the bumper. The hoist mechanism for the tire carrier includes a longitudinally extending horizontal drive shaft having a beveled rear end adapted to be engaged by the hand crank shaft. The disclosed locking apparatus is adapted to releasably cover the beveled end of the hoist shaft, and includes a cylindrical latch rod having a front end adapted to engage the beveled end of the hoist shaft, and a socketed rear end that is adapted to abut the vehicle bumper adjacent the bumper hole. There is a generally cylindrical latch pin containing locking mechanism and having a key-way at one end and a depressible and retractable locking arm extending laterally from a forward portion of the pin, which forward portion can lockably engage the socketed end of the latch rod. The rear portion of the pin is receivable in the bumper opening. There is a locked position in which…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.