Power shovel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 16, 1980
Grant Date -
N/A
app pub date -
Mar 28, 1978
filing date -
Mar 31, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vehicular power shovel having its movable shovel member located forwardly of the front axle thereof is equipped with a toggle lever device and a hydraulic power cylinder mechanism for actuating the shovel member. The shovel member is mounted upon a lift arm structure which is pivotally mounted upon the frame of the apparatus at a point behind the front axle. Both the toggle lever device and the hydraulic power cylinder mechanism are pivotally attached to the frame of the apparatus and are located behind the front axle. The power cylinder operates to actuate the toggle lever device and it is connected thereto at a point other than the buckling joint of the toggle lever. Furthermore, the power cylinder is located rearwardly of the point at which the rear end of the lift arm mechanism is pivotally connected to the frame.
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Family
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Cited Art Landscape
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