发明授权
US4564308A Spring rod for strap 失效
弹簧杆用于表带

Spring rod for strap
摘要:
The invention provides a spring rod for a strap. A stationary member with a projection is inserted and fixed at one end of a cylinder with a longitudinal slit. A slider is slidably inserted in the cylinder with a spring interposed between the slider and the stationary member. The slider has a projection which has a tongue protruding through the slit of the cylinder.
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