| 摘要 |
PURPOSE: A strength controllable grasping power device is provided to allow every people to use the device by controlling the strength regardless of sex and age. CONSTITUTION: A head portion(1) has a projecting portion with a cross recess on the bottom face for fitting a clearance adjustor(7) so as to support a spring. Shoulder portions(14,14') are formed on a head portion(1') to be integrally formed with handles(2,2'). A pressing part(4) is coupled to an opening so as to be accessible and adhesively coupled by a shaft(6). A perspective window(9) and a division(10) are formed on the front surface of the handle(2').
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