Hand Puller and a Central Shaft Structure Thereof
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United States of America Patent
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N/A
Issued Date -
Mar 29, 2012
app pub date -
Sep 27, 2010
filing date -
Sep 27, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hand puller and a central shaft structure thereof contains a base including a first and a second sides having a fixed pillar with a fixed rope and a controlling portion with an axial hole respectively, and including a removable retaining member; a pulling member including a first and a second segments having an axial connecting portion with an axial bore and a holding portion individually, and including a movable rod; two ratchets, each including plural teeth and an orifice to match with the central shafts; wherein the retaining member and the movable rod contact with the ratchet respectively, the central shaft is solid, made of a metal bar material, and includes two ends between which an outer surface is defined, and each end of the central shaft includes a limiting member higher than the outer surface so that the base and the ratchets are positioned on the central shafts.
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