Shuttle car spring-assisted swinging sheave bracket

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 ro...

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Bibliographische Detailangaben
Hauptverfasser:	CRESSMAN, TOBY J, DICKEY, RONALD K, KRELLNER, JAMES A
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING
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Beschreibung
Zusammenfassung:	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.