Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1978-03-27
1980-09-16
Dorner, Kenneth
Machine element or mechanism
Control lever and linkage systems
Elements
74532, 70181, 70199, G05G 506
Patent
active
042222877
ABSTRACT:
An apparatus providing means for locking the controls of construction machinery in a safe position. Implements are maintained in a preset position safe from inadvertant control activation by an operator controlled locking gate which engages the control activating linkages when they are in a neutral position. A single locking gate may be used to lock several controls and unlocking, controlled by the operator, unlocks all of the previously locked controls.
REFERENCES:
patent: 1475863 (1923-11-01), Pate
patent: 2597684 (1952-05-01), Stringe
patent: 3005671 (1961-10-01), Majeski
patent: 4075908 (1978-02-01), Suzuki
Drone Gary A.
Levin Evsey P.
Brown Robert A.
Doninger John A.
Dorner Kenneth
Fiat-Allis Construction Machinery, Inc.
Meister Jacque L.
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