Measuring and testing – Testing by impact or shock – Specimen directly subjected to a fluid pressure pulse or wave
Patent
1995-08-04
1996-09-03
Chilcot, Richard
Measuring and testing
Testing by impact or shock
Specimen directly subjected to a fluid pressure pulse or wave
73 1209, 340566, G01M 700
Patent
active
055512801
ABSTRACT:
This invention relates to multi purpose shock sensor being used as a vehicle burglar alarm and/or a security system for restricted area, which consists of a cap, a vibration sensing element, a sealed cavity, and a balance weight in the characterized that having a safety cover securely fixed and surrounded with the elastic cap, preparing a gap having a fixing surface and a free surface on inner peripherals of the safety cover, fixing a lid on the safety cover, forming a groove on a peripherals of a balance weight, forming a coupling hole on the center of the cap, and coupling the balance weight into the coupling hole in the top of the cap.
REFERENCES:
patent: 3473366 (1969-10-01), Smith
patent: 4247847 (1981-01-01), Gontowski, Jr.
patent: 4450326 (1984-05-01), Ledger
patent: 4679033 (1987-07-01), Hwang
patent: 5053589 (1991-10-01), Grant
patent: 5339071 (1994-08-01), Eckhaus
Chilcot Richard
Dougherty Elizabeth L.
Lee Sang-Moon
Parrish John A.
Tungol Maria Parrish
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