Hydraulic actuating apparatus for opening and closing a vehicle cover with auxiliary manual hydraulic pump
US5335926A · kind A · utility
14Cited by
10References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 23, 1992 |
| Grant date | Aug 9, 1994 |
| Priority date | — |
| Expiry date | Nov 23, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2211/20561
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic actuating apparatus for opening and closing a movable cover (convertible top) of a vehicle includes a piston/cylinder device, a reversible, motor driven pump for supplying hydraulic fluid to the piston/cylinder device to cause it to open or close the vehicle cover, and an auxiliary manual pump for supplying hydraulic fluid to the piston/cylinder device in the event of failure of the reversible pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.