Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1990-03-05
1990-08-14
Braun, Leslie A.
Machine element or mechanism
Control lever and linkage systems
Elements
74527, 92 25, 414685, 414722, B66C 2388
Patent
active
049477056
ABSTRACT:
A device for maintianing a load raising linkage in a raised position. A power member is provided for raising and lowering the linkage. A locking member is pivotally connected to the load raising linkage. The locking member is movable between a lock position and an unlock position. An anchor is connected to the linkage. A releasable member is carried by the locking member. The releasable member engages the anchor and maintains the locking member in the unlock position. Upon pivoting the locking member to the lock position, the releasable member can also engage the power member and maintain the locking member in the lock position.
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Darland Tracy M.
Yates Steve K.
Anchell Scott
Bell James R.
Braun Leslie A.
Ingersoll-Rand Company
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