Spike driving machine including locking strut for spike driver gun
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 18, 1988
Grant Date -
N/A
app pub date -
Jan 27, 1987
filing date -
Jan 27, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a rail spike driving machine having a frame, wheels and a spike driver gun slidable in parallel relationship to the rail, and control means for limiting that sliding action, an apparatus for releasably locking the position of said gun above a particular tie comprising a telescoping tube with an inner member and a hollow outer member, the inner member inserted at one end into the outer member and at the other end to the spike driver gun, the outer member receiving the inner member at one end and slidably secured to the frame at the other end to control the perpendicular action of the spike driver gun in relation to the rail, and a releasable brake assembly mounted on the outer member so as to exert a locking force on the inner member and prevent lateral movement of the spiker gun.
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