Recharge device, particularly for drive mechanisms for extending

Details Recharge device, particularly for drive mechanisms for extending Recharge device, particularly for drive mechanisms for extending

1991-05-08

1992-09-29

Herrmann, Allan D.

Motors: spring, weight, or animal powered

Spring

With winding means

74 2, 192 82T, 192 67R, 244158R, 244173, F03G 108, G05G 1700

Patent

active

051507706

ABSTRACT:
In a spring operated mechanism, the recharge device (1) is adapted to wind the spring (4) during idle times when the drive mechanism (4,16) is not operating. The recharge device has a lever member (48,50) operated by a shape memory alloy member (46) and adapted to turn a gear (8,26) for winding the spring.

REFERENCES:
patent: 3113639 (1963-12-01), Koplar et al.
patent: 4290393 (1981-09-01), Hart et al.
patent: 4561529 (1985-12-01), McIntosh
patent: 4596310 (1986-06-01), Hatakeyama et al.
patent: 4831893 (1989-05-01), Obama et al.
patent: 4884464 (1989-12-01), Grattarola et al.

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