Counterbalanced telescopic rollbar for tractors
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United States of America Patent
Stats
-
Jul 14, 1992
Grant Date -
N/A
app pub date -
Feb 19, 1991
filing date -
Feb 19, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A telescopic rollover protective structure for use with an orchard tractor is disclosed wherein the protective member is operatively engaged with a counterbalancing spring to offset the weight thereof and to facilitate the movement of the protective structure between raised and lowered positions. A locking mechanism is connected to the mounting frame and engageable with the movable protective member to restrict movement thereof when the locking mechanism is engaged therewith. The counterbalancing system includes a compression spring concentrically mounted on a telescopic rod housed within the hollow protective member legs.
First Claim
Family
International Classification(s)
Cited Art Landscape
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