Supporting device capable of automatically aligning and increasing force
A piston end cover is in threaded connection with the bottom of a thrust piston, a return spring is installed in an inner cavity in the upper portion of the piston end cover, a stop end base is installed on the top of the return spring, a clamping sleeve and a steel ball are installed on the top of...
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Format: | Patent |
Sprache: | chi ; eng |
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