Auxiliary crank end

Details Auxiliary crank end Auxiliary crank end

B - Operations, Transporting

61

D

108/13

B61D 19/00 (2006.01) B60J 5/06 (2006.01) E05D 15/10 (2006.01)

Patent

CA 1149233

Title of the Invention AUXILIARY CRANK END Abstract of the Disclosure A railway house car has plug doors, each with a pair of rotationally driven top operating cranks and an auxiliary crank in engagement with a c-shaped top retainer. The auxiliary crank is mounted between the operating cranks on a lower vertical crank end for rotation relative to the door. An upper vertical crank end of the auxiliary cranks has mounted thereon a front sled moveably engaging the inner surface of the down- wardly extending front flange of the top retainer and a bottom sled moveably engaging the upper surface of the laterally outwardly extending lower flange of the top retainer. The bottom sled and lower flange extend out- wardly beyond the front sled and front flange to resist the auxiliary crank's outward pivotal movement and separation from the retainer and any door displacement as a result. The sleds provide large load bearing surface areas to resist distortion and are spaced and mounted on the common vertical axis of the upper vertical crank end for rotation independent of each other.

384509

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