Belt closure and chin strap of a protective helmet equipped therewith
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United States of America Patent
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Jan 31, 2017
Grant Date -
Sep 11, 2014
app pub date -
Oct 30, 2012
filing date -
Oct 31, 2011
priority date (Note) -
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Abstract
A belt fastener for detachably connecting two belt ends has a housing and a plug, which can be clipped into the housing. The belt fastener can be a safety fastener opening if a predetermined tensile load acts on the belt ends. A separate finger flap is hinged to a front end of the plug for clipping it into the housing. The finger flap preloaded outwards in direction away from the plug by a separate spring. The finger flap can be brought in abutment with a stop surface of the housing by means of a stop surface opposite of the attachment point. Both stop surfaces are tilted forward by an angle of inclination (α) of >0°, particularly of 20°. In addition, two stop surfaces can be convexly or concavely curved.
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