Wiper Arm Apparatus Having Improved Lock-Back Structure
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United States of America Patent
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Issued Date -
Jul 3, 2014
app pub date -
Oct 23, 2013
filing date -
Dec 28, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wiper arm apparatus having an improved lock-back structure includes: an arm head; a retainer; and a spring that elastically couples the retainer to the arm head, wherein the retainer includes a protruding hooking unit, which protrudes toward the arm head in a direction of a length of the retainer, and the arm head includes: a rotation guide unit which allows the retainer to rotate around the arm head by preventing the protruding hooking unit from being interfered with; an arm stopper unit which is disposed at an end of the rotation guide unit and by which the protruding hooking unit is hooked, so as to restrict a rotation angle of the retainer; and a stopper cover unit that is extended to and formed at the arm head, and forms a structure that covers the rotation guide unit and the arm stopper unit.
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