Trolley
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United States of America Patent
Stats
-
Aug 10, 1982
Grant Date -
N/A
app pub date -
Nov 4, 1980
filing date -
Mar 11, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A trolley suspended on a rail comprising spaced side plates having rollers facing each other on the upper part and coaxial bushings on the lower part, a hanger plate suspended midway between the side plates by a stay rod which passes through said bushings, wherein the stay rod is coupled with a bushing on one of the side plates by a head pin passing through borings provided on said bushing and on one end of the stay rod, and the head of said pin is held down by a spring retainer which is in releasable engagement with the bushing.
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