Releasable backhoe boom lock
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 22, 1980
Grant Date -
N/A
app pub date -
Mar 8, 1978
filing date -
Mar 8, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A releasable lock for locking a boom that is pivoted on a horizontal pivot axis on a frame disclosed herein. The releasable lock includes a pin or first member on the frame and a second member pivotally supported on the boom about a common pivot axis with one end of a unit fluid ram that has its opposite end connected to a material handling unit which is pivoted on the outer end of the boom. A releasable linkage includes linkage between the unit fluid ram and the second member with the linkage having a portion pivotally supported on the boom and arranged so that pivotal movement of the unit fluid ram away from the boom during actuation thereof will automatically release the lock.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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