Breakaway mirror mounting
First Claim
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1. A breakaway mounting for a mirror attached to one end of a supporting arm, said mounting comprising:
- a base member;
continuous grooves formed in a matching relationship on opposite surfaces of said base member, said grooves defining a thinned region therebetween and having varying depths whereby the bottoms of the respective grooves lie in substantially parallel planes which are inclined with respect to the planes of said base member surfaces;
a plurality of spaced apertures in said thinned region extending between said grooves;
means for interconnecting a portion of the base member enclosed by said grooves to the end of said supporting arm opposite that to which the mirror is attached, said opposite end comprising an enlarged arm portion having a contour substantially corresponding to that of the base member; and
means for joining the remaining portion of the base member to an external support whereby when said mounting is exposed to a force in excess of a predetermined value, said base member fractures at its thinned region permitting the mirror, the supporting arm and the portion of the base member enclosed by the grooves to break away from the remaining portion of the base member, said means for joining the remaining portion of the base member to the external support comprising;
a plurality of coaxial apertures through said enlarged arm portion, the remaining portion of the base member and the external support; and
bolting means located within said apertures, said apertures in the enlarged arm portion having dimensions greater than those of the bolting means therein.
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Abstract
An apparatus made of a synthetic resin for attaching, in breakaway fashion, a rear view mirror mounted within an automobile. A base member is attached to the automobile body and is provided with a thinned region having numerous tiny holes therein whereby when a substantial impact is applied to the mirror section, the base fractures in the thinned region causing the mirror device as a whole to break away from the base.
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Citations
1 Claim
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1. A breakaway mounting for a mirror attached to one end of a supporting arm, said mounting comprising:
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a base member; continuous grooves formed in a matching relationship on opposite surfaces of said base member, said grooves defining a thinned region therebetween and having varying depths whereby the bottoms of the respective grooves lie in substantially parallel planes which are inclined with respect to the planes of said base member surfaces; a plurality of spaced apertures in said thinned region extending between said grooves; means for interconnecting a portion of the base member enclosed by said grooves to the end of said supporting arm opposite that to which the mirror is attached, said opposite end comprising an enlarged arm portion having a contour substantially corresponding to that of the base member; and means for joining the remaining portion of the base member to an external support whereby when said mounting is exposed to a force in excess of a predetermined value, said base member fractures at its thinned region permitting the mirror, the supporting arm and the portion of the base member enclosed by the grooves to break away from the remaining portion of the base member, said means for joining the remaining portion of the base member to the external support comprising;
a plurality of coaxial apertures through said enlarged arm portion, the remaining portion of the base member and the external support; and
bolting means located within said apertures, said apertures in the enlarged arm portion having dimensions greater than those of the bolting means therein.
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Specification
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Current AssigneeIchikoh Industries Limited (Valeo SE)
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Original AssigneeIchikoh Industries Limited (Valeo SE)
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InventorsHashiguchi, Setsuo
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Primary Examiner(s)Schultz, William H.
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Application NumberUS05/636,744Time in Patent Office764 DaysField of Search248/475 A, 248/479, 248/481, 248/DIG. 9, 403/2, 403/7, 52/98US Class Current248/482CPC Class CodesB60R 1/04 mounted inside vehicle B60R...
