Title:
LIFT ASSIST MECHANISM
Document Type and Number:
WIPO Patent Application WO/2011/133601
Kind Code:
A3
Abstract:
A lift assist mechanism is provided for assisting lifting of a movable component that can move between lowered and raised positions relative to a fixed structure. The lift assist mechanism includes a lift assist spring connected to a spring shaft, and an elongated track in which an end of the lift assist spring or an end of the spring shaft are movably engaged. A spring lock restrains movement of the spring shaft when a lift assist is not required, and releases the spring shaft when a lift assist is required.
Inventors:
IVESTER CLARENCE (US)
NILSEN ERIK E (US)
BRAUER ROBERT K (US)
NILSEN ERIK E (US)
BRAUER ROBERT K (US)
Application Number:
PCT/US2011/033127
Publication Date:
December 22, 2011
Filing Date:
April 19, 2011
Export Citation:
Assignee:
BE INTELLECTUAL PTY INC (US)
IVESTER CLARENCE (US)
NILSEN ERIK E (US)
BRAUER ROBERT K (US)
IVESTER CLARENCE (US)
NILSEN ERIK E (US)
BRAUER ROBERT K (US)
International Classes:
B64D11/00
Domestic Patent References:
| WO2003033346A1 | 2003-04-24 |
Foreign References:
| US20080078871A1 | 2008-04-03 | |||
| DE4130644A1 | 1993-03-18 | |||
| EP0731021A1 | 1996-09-11 |
Attorney, Agent or Firm:
JAMES W. PAUL (6060 Center DriveTenth Floo, Los Angeles California, US)
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