Self-locking folding caster operated by single handle
The invention relates to a self-locking folding caster operated by a single handle. The caster is composed of a shell body (1), an operating mechanism, and a universal wheel mechanism; the operating mechanism is included in the shell body (1); the operating mechanism includes a torsion spring (2), a...
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Format: | Patent |
Sprache: | chi ; eng |
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