Vehicle door glass breaking device

A door glass and vehicle technology, applied in vehicle components, vehicle safety arrangements, transportation and packaging, etc., to achieve the effect of suppressing misoperation, ensuring design, and suppressing deterioration
CN113246897AInactive Publication Date: 2021-08-13TOYOTA JIDOSHA KK
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TOYOTA JIDOSHA KK
Publication Date
2021-08-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

A vehicle door glass breaking device includes a breaking portion including a pointed end portion configured to point towards an inner surface of a door glass; a guide portion configured to be disposed at the inner surface of the door glass, and guiding the breaking portion in a thickness direction of the door glass; and a restricting portion configured, in a case in which a pressing force, applied by a vehicle occupant to another end portion of the breaking portion, at an opposite side of the breaking portion from the pointed end portion, in a direction towards a side of the door glass, is equal to or greater than a predetermined magnitude, to permit displacement of the breaking portion towards the door glass, and in a case in which the pressing force is smaller than the predetermined magnitude, to restrict displacement of the breaking portion towards the door glass.
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Description

technical field

[0001] The present disclosure relates to a door glass breaking device for a vehicle. Background technique

[0002] JP 2012-245952 A discloses an invention related to a vehicle door glass breaking device. In this vehicle door glass breaking device, a breaking rod is arranged on the vehicle door with its pointed tip facing the door glass surface. In addition, the breaking rod is connected to an operation lever provided on the vehicle inner side of the vehicle door via a link mechanism. Therefore, the occupant can move the breaking rod to break the door glass by operating the operating lever in an emergency.

[0003] However, in the above publication, the operating lever and the breaking rod are connected via a link mechanism, and the input direction of the operating force from the occupant is opposite to the direction in which the breaking rod pierces the door glass. Therefore, there is room for improvement in that the input from the occupant is directly tra...

Claims

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