| 摘要 |
A toy or game is provided which has as an object to increase the lifting power of the forearm. It is particularly attractive to children who wish to demonstrate their ability to lift a dumbbell or other weight by retracting the forearm. It comprises a first sleeve adapted to embrace the forearm and a second sleeve adapted to embrace the upperarm. The sleeves are composed of two halves hinged together so that they can be opened and closed around the arm portion to which they are adapted. Each sleeve has a rigid plastic shell and a soft flexible-foam liner of suitable thickness to form a cushion and to compensate for different size arms. Each sleeve has a groove on the back or underside thereof which is canted toward the other sleeve. These grooves are adapted to receive the ends or bites of an endless elastic band and which, when in place, tends to pull the forearm sleeve toward the upperarm sleeve. The grooves span the unhinged edges of the sleeves, so that when the band is in place, the tension of the band pulls the hinged portions together and effectively latches the sleeves to the arms. An auxiliary friction latch is provided for holding the sleeves in closed position until the elastic bands can be placed in the grooves. A compartment is provided in the forearm sleeve which can hold electronic circuitry or the like.
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