ADJUSTING DEVICE, ESPECIALL FOR A HELMET
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United States of America Patent
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Issued Date -
Aug 27, 2009
app pub date -
Feb 24, 2009
filing date -
Feb 27, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to an adjusting device for adjustment of a dimension of an object, applying especially to adjustment of a dimension of an object intended to be worn by a user, such as a helmet. The device comprises a pinion with first teeth, free in rotation about an axis in a housing, and a rack provided with a row of second teeth, slid freely in translation into the housing. The second teeth cooperate with the first teeth so that rotation of the pinion causes translation of the rack. The rack is deformable elastically, such that when a force is exerted on it in the direction opposite the direction of translation during rotation of the pinion, it undergoes elastic deformation. The housing leaves clearance for the rack, in the plane of rotation of the pinion and perpendicular to the direction of translation, at least equal to the least of the heights of the first and second teeth, such that when the rack undergoes elastic deformation, that of the second teeth in cooperation with the first teeth disengages from the latter.
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