Electricity: circuit makers and breakers – Special application – Actuated concurrently with operation or use of art device
Patent
1997-12-22
1999-05-11
Scott, J. R.
Electricity: circuit makers and breakers
Special application
Actuated concurrently with operation or use of art device
200 6188, H01H3/16
Patent
active
059029757
ABSTRACT:
An internal vehicular transmission range switch (10) has a movable contact support (20) which slides along a straight path in a recess formed between a housing having a base member (12) and cover (14) between first and second extremities in dependence upon the movement of the manual valve (4) to which it is coupled by an arm (18) extending from the support through a slot (16) formed in the housing. An elongated slider having a lower (20e) and upper (20d) blade portions received in respective channels (12a, 14a) formed in the housing integrally attached to the movable contact support blocks ingress of contaminant particles into the recess while permitting fluid flow into and out of the recess. A second embodiment (10') has a generally U-shaped member (18') having one leg (18a') attached to the movable contact support and extending through an O-ring (24) in an end wall of the housing and a manual valve coupling arm (18c') formed at the distal end of a second leg (18b'). A third embodiment has an endless track (26) in which an elongated, flexible band (28) having opposite ends attached to the movable contact support (20) on opposite sides of manual valve coupling arm (18) blocks entry of contaminant particles through slot (16") in the housing through which arm (18) extends.
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Anastasia Charles M.
Coulson Ethan J.
O'Brien Edward F.
Sadler Alan M.
Sogge Dale R.
Baumann Russell E.
Donaldson Richard L.
Scott J. R.
Texas Instruments Incorporated
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