Universal lever apparatus for hydraulic construction machine

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Details

74471XY, 74483R, 180333, B60K 2800

Patent

active

044898053

ABSTRACT:
A universal lever apparatus having a first rod and a second rod each for actuating an operated member, an operation lever connected to the first rod and the second rod and pivotally movable in a first direction for moving the first rod and in a second direction for moving the second rod, and lock mechanism for locking the operation lever. The lock mechanism includes a manually operated device operatively connected to the operation lever for pivotally moving the operation lever to a rearward position in which the operation lever does not interfere with movement of a driver without causing effective movements of the first and second rods, the manually operated device being movable between an unlock position in which the pivotal movement of the operation lever causes the effective movement of the first and second rods and a lock position in which the operation lever is located in the rearward position. The lock mechanism further includes elements operatively associated with the manually operated device for resiliently holding the manually operated device in the unlock position and the lock position, and elements for restraining the operation lever to keep same from pivotally moving in the first and second directions when the manually operated device is in the lock position and the operation lever is in the rearward position.

REFERENCES:
patent: 3811020 (1974-05-01), Johnson et al.
patent: 4069900 (1978-01-01), Stamate
patent: 4388980 (1983-06-01), Vig et al.

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