Checker-equipped door hinge
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United States of America Patent
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Aug 16, 2005
Grant Date -
Dec 9, 2004
app pub date -
Jun 9, 2003
filing date -
Jun 6, 2003
priority date (Note) -
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Abstract
A checker-equipped door hinge includes a checker that is provided between first and second hinge arms and imparts a stepwise limiting resistance to pivoting of the two hinge arms relative to each other. The checker includes a check cam that is formed separately from the first hinge arm and is fixedly attached to the first hinge arm; a roller that can sequentially engage with detent notches of the check cam in response to the pivoting of the two hinge arms relative to each other; and a torsion spring that is mounted in the second hinge arm while supporting the roller with its free end portion, the torsion spring biasing the roller in a direction in which it engages with the detent notches. Thus, a plurality of types of checker-equipped door hinges having various check properties can be provided at low cost by standardizing the hinge arm.
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