Patent ID: 7614610

Claim:
A hoisting and pulling device comprising: a load sheave; a drive shaft rotatably arranged by penetrating a center of the load sheave; driving means for transmitting a driving force from operating means to the drive shaft by way of brake means, the load sheave being interposed between the driving means and the brake means; speed reducing means for transmitting the driving force of the drive shaft to the load sheave by way of a speed reducing gear; a main body frame forming a space in which the load sheave is contained, the main body including a guide face for guiding a load chain wound around the load sheave; a first bearing plate fixedly provided to an inner side of the main body frame for supporting the load sheave and the speed reducing gear on a side of the speed reducing means; and a second bearing plate for supporting the load sheave on a side of the driving means, wherein the space containing the load sheave, the driving means, and the speed reducing means are partitioned by the first and secone bearing plates.