Worm gear type winch designed to hold backstop at any position when raising or lowering. Supported by a heavy, formed steel main frame for ease of mounting. Worm gear is forged bronze alloy. Thrust of the worm shall be absorbed by a hardened steel ball bearing mounted in cast high tensile aluminum support housing. Input worm shall be machined from high carbon steel with hardened contact surfaces. Input shaft shall not extend beyond winch cover to reduce the possibility of injury from an extended type shaft. Input shaft shall be 3/4" square for use with special socket type handle provided with each pair of backstops or No. 00269000 portable electric winch operator (optional)
Cast iron cable storage drum is provided with a machined hole and set screw arrangement for securing cable to drum. All input shaft and drum support bearings are self-lubricating. Winch housing finished in a medium gray enamel.
Includes 2" x 10" x 2'-6" long yellow pine wood pad for mounting to gymnasium walls when required. Pad shall have chamfered edges and shall be finished with two coats of clear natural gloss lacquer.
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