Load limit system for mechanical linear actuator

Details Load limit system for mechanical linear actuator Load limit system for mechanical linear actuator

1994-09-23

1996-01-30

Martin, David S.

Electricity: motive power systems

Positional servo systems

Limit or end-stop control

318135, 318687, 318466, G05G 500

Patent

active

054882788

ABSTRACT:
A load limit system is provided for a linear actuator. An interface is athed to the linear actuator and is disposed between first and second spring assemblies. A first sensor senses a first amount of linear compression of the first spring assembly along a first direction. A second sensor senses a second amount of linear compression of the second spring assembly along a second direction. Movement of the linear actuator in the first direction ceases whenever the first amount of linear compression is sensed. Movement of the linear actuator in the second direction ceases whenever the second amount of linear compression is sensed.

REFERENCES:
patent: 3703999 (1972-11-01), Forys et al.
patent: 4477755 (1984-10-01), Rickett
patent: 4969662 (1990-11-01), Stuart
patent: 5323012 (1994-06-01), Auslander et al.
patent: 5366236 (1994-11-01), Kuriki et al.

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