Lid opening and closing apparatus
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United States of America Patent
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Apr 16, 2013
Grant Date -
Nov 24, 2011
app pub date -
May 23, 2011
filing date -
May 24, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A four-bar linkage is provided with an opened position holding mechanism. The opened position holding mechanism includes: an engagement pin which protrudes in a rear end portion of a second hinge arm; a support pin which protrudes in a base end portion of an extending portion of a link bracket; a hook bracket having a central portion which is turnably supported by the support pin; and an urging spring which pulls the hook bracket in one direction with respect to the support pin as the center. The hook bracket includes: a guide surface; and an engagement concave portion to be engaged with the engagement pin. The guide surface hits against the engagement pin in accordance with a lid opening operation, and a hit position therebetween relatively moves in a central direction in accordance with a turn with respect to the support pin as the center performed against the pulling force of the urging spring.
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