Split topping lift gear
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 14, 1982
Grant Date -
N/A
app pub date -
Nov 5, 1980
filing date -
Nov 8, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A split topping lift gear with a boom swingable through a plane between a pair of posts includes the boom and a jib hingedly connected to the upper end of the boom. The jib is elongated, with its hinged connection to the boom located between its ends. A relieving cargo tackle is connected to each end of the jib. One cargo tackle can be connected to the boom socket while the other is free to carry a load. The jib is adjustably positionable about its hinged connection in a vertical plane.
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Cited Art Landscape
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