Control linkage

Details Control linkage Control linkage

1982-12-30

1986-10-07

Dorner, Kenneth J.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74491, 251279, B60K 2000, B60K 2002

Patent

active

046152326

ABSTRACT:
An improved control linkage assembly is disclosed which is particularly suited for embodiment in association with a material handling implement having a reversibly operable mechanism. The assembly includes an operating lever movable from a neutral position in one of two operating directions eminating from a common neutral position and extending in generally the same direction away from the neutral position. The operating lever is selectively engageable with one of two engaging levers for selectively moving a control element of a control member, such as a hydraulic valve, in one of two opposite directions. This type of movement is effected by a series of mechanical linkages which rotate an intermediate shaft clockwise and counterclockwise facilitating movement of the control element in first and second directions.

REFERENCES:
patent: 3522744 (1970-08-01), Johnson
patent: 3795157 (1974-03-01), Campbell et al.
patent: 4156474 (1979-05-01), Aida
patent: 4216680 (1980-01-01), Hayashi et al.
patent: 4346618 (1982-08-01), Sakamoto et al.

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