Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1987-05-21
1988-11-15
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
200 6A, G05G 902, H01H 2504
Patent
active
047840080
ABSTRACT:
The manipulator delivers signals characteristic of the orientation of an operating lever (2) in space. The lever is deflectable by a transverse thrust, from a reference or neutral position, and is elastically returned to that neutral position. The lever (2) is articulated on a casing to control the position of at least one movable member (3) interacting with at least one pick-up (4) to deliver an electrical signal dependent upon the position of the lever. Two cams (7, 8) resiliently biased toward each other oppose to the angular deflection of the operating lever (2) an elastic reaction which differs according to the orientation of the lever (2) with respect to its neutral position. In an embodiment, these cams are carried respectively by a ball joint of the lever and by a piston slidable in the casing and urged by a spring.
REFERENCES:
patent: 2808476 (1957-10-01), Elliot
patent: 3219782 (1965-11-01), Bissell et al.
patent: 3731013 (1973-05-01), Nightengale
patent: 3744335 (1973-07-01), Karlsson et al.
patent: 3818154 (1974-06-01), Presentey
patent: 3827313 (1974-08-01), Kiessling
patent: 4533899 (1985-08-01), Isaksson
patent: 4639668 (1987-01-01), Petit et al.
Paquereau Philippe
Ruaud Xavier
Herrmann Allan D.
La Telemecanique Electrique
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