SHUTTLE CAR SPRING-ASSISTED SWINGING SHEAVE BRACKET
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Dec 11, 2013
filing date -
Dec 14, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A movable machine includes a frame, an electrical motor on the fame, a cable electrically connected to the motor and adapted to be connected to a source of power, and a sheave bracket assembly coupled to the frame. The sheave bracket assembly includes two mounting plates, two spaced apart sheaves rotatably mounted on the mounting plates, a hinged portion coupled to the mounting plates and pivotally coupled to the frame, and at least one biasing member located between the frame and the mounting plates that biases the mounting plates and sheaves toward a first position.
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