Ching-Jhen Yang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A clamp includes a guiding rod, a stationary jaw secured to the guiding rod, a movable jaw movably provided on the guiding rod and a fastening unit. The movable jaw is formed with a ring and two helical grooves in an internal side of the ring. The fastening unit includes a knob, an axle and a latch. The axle is connected to the knob and inserted through the ring for abutment against the guiding rod. The latch is connected to the axle and formed with two ends for sliding in the helical grooves.
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