Patent ID: 6523283
Filing Date: 2003-02-25
Classification: E01H,F16D,F16H,Y10T

Abstract:
An overload protecting device assembled in an auger transmission of a snow removing machine, the device comprising:a worm wheel meshing with a worm formed on an input shaft of the auger transmission; a cylindrical member engaging with the worm wheel to be rotatable relative thereto and fixedly coupled to an auger shaft for non-rotational relationship; a disk located adjacent to the worm wheel for restricting a rotating angle of the cylindrical member and having a plurality of wheel-sided projections facing a plurality of wheel-side protruding segments formed at a side wall of the worm wheel; detecting means for detecting movement of the disk toward a side thereof when the wheel-side projections ride on the wheel side protruding segments responsive to rotation of the worm wheel and the cylindrical member relative to one another; prime mover stopper means for forcibly stopping operation of a prime mover responsive to a signal delivered from the detecting means; and a resilient member urging the disk against the worm wheel, whereby a power transmission path between the prime mover and the auger shaft is prevented from encountering an overload.