| 摘要 |
A hoisting and pulling device including a main body frame 2 for forming a load sheave containing space by constituting an inner face by a guide face 25a for guiding a load chain 5 wound around a load sheave, a bearing plate 21b fixedly provided to an inner side of the main body frame 2 for bearing the load sheave and a speed reducing gear on a side of speed reducing means, and a bearing plate 21a for bearing the load sheave 11 on a side of driving means for partitioning the load sheave containing space, the driving means, and the speed reducing means by the bearing plates. According to a hoist of a background art, portability and operability and durability are not compatible with each other and the hoist is not provided with a function of preventing dust of a mechanical brake. Further, a problem is posed also in the operability of the hand chain.
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