Communications: electrical – Land vehicle alarms or indicators – Of collision or contact with external object
Patent
1992-04-30
1995-04-18
Swarthout, Brent
Communications: electrical
Land vehicle alarms or indicators
Of collision or contact with external object
180274, 200 6144, 200 82D, B60Q 100
Patent
active
054082145
ABSTRACT:
An impact sensor for a motor vehicle has a plurality of sensing members disposed on a motor vehicle which are effective for sensing an impact with an obstacle and generating a signal in response thereto. The sensing members include a respective telescoping support member which is fixedly supportable by the motor vehicle and has a first telescope member and a second telescope member. The first telescope member is dimensioned and configured to slideably move relative to the second telescope member in a telescoping manner. A rigid member, which is supported by each of the telescoping support members, and which extends therefore from the vehicle, is effective for transferring a force of impact occurring between the rigid member and an obstacle to at least one of the sensing members. Thus, when an obstacle contacts with the rigid member, the rigid member deflects causing the telescoping support member of at least one of the sensing members to compress in response to the force of impact. This compression of the telescoping support member is detected and a signal is generated which is effective for generating an alarm (preferably either audio or visual) which is perceived by the driver indicating that an impact has occurred.
REFERENCES:
patent: 2444635 (1948-07-01), Dennis, Jr.
patent: 3793498 (1974-02-01), Matsui et al.
patent: 3853199 (1974-12-01), Hirashima et al.
patent: 3901346 (1975-08-01), Kohls et al.
patent: 3999431 (1976-12-01), Makarainen
patent: 5045834 (1991-09-01), Hutchcraft
Chalmers George R.
Chalmers Joan A.
Daniels John J.
Swarthout Brent
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