Linear motion actuator

Details Linear motion actuator Linear motion actuator

2007-02-09

2010-02-16

Budd, Mark (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

Reexamination Certificate

active

07663293

ABSTRACT:
The invention relates to a linear motion actuator, comprising an operating member (12), which can be displaced from a basic position (14) in a control position (31) against the force of a spring member (28) using at least one actuating element (22), the operating member (12) being held in the basic position (14) by applying the force of the spring member (28) and the force of the spring member (28) acting on the operating member (12) being smaller than an actuating force of at least one actuating element (22) that is made of shape memory alloy, wherein the spring member (28) is configured as part of a carrier device (61), which comprises an operating member (12) or to which an operating member (12) may be attached.

REFERENCES:
patent: 4806815 (1989-02-01), Honma
patent: 5821664 (1998-10-01), Shahinpoor
patent: 6762515 (2004-07-01), Gummin et al.
patent: 7104056 (2006-09-01), Taya et al.
patent: 7199501 (2007-04-01), Pei et al.
patent: 2002/0185932 (2002-12-01), Gummin et al.
patent: 2008/0278030 (2008-11-01), Hara et al.

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