Seat cushion pumping device for vehicle
US6675945B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 23, 2002 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Sep 23, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/1889
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Disclosed is a seat cushion pumping device for a vehicle. The device comprises a clutch section arranged between a clutch cover and a base member to generate operating force required for adjusting a height of a seat cushion, and a brake section arranged between a brake cover and the base member to conserve operating force of the clutch section. The clutch section includes a pair of clutch blocks, a lever block interposed between the pair of clutch blocks to operate them, and a lever coupled with the lever block and having a lever spring. The brake section includes a link connection gear meshed with a gear of link means, an operating plate secured around a shaft while being positioned between the link connection gear and the base member, power transmitting projections integrally formed on the base member and fitted into grooves defined on a circumferential outer surface of the operating plate to transmit operating force of the clutch section to the operating plate, brake pins each accommodated between an inclined wedge-shaped groove of the operating plate and the brake cover to transmit operating force of the base member only in an operating direction, brake springs each installed b…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.