Electricity: motive power systems – Motor-reversing – Periodic- or intermittent-reversing
Patent
1998-04-09
1999-12-07
Martin, David
Electricity: motive power systems
Motor-reversing
Periodic- or intermittent-reversing
318466, 318479, 49 28, H02P 100
Patent
active
059989513
ABSTRACT:
A new vehicular electric window safety switch for stopping the closing of an electric powered window of a vehicle when an obstruction, such as a finger or a hand, is detected between the glass of the window and the window frame. The inventive device includes an elongate member having a base portion, and a lip portion. The base portion has opposite first and second sides and is resiliently compressible between the first and second sides of the base portion. The lip portion is extended from the first side of the base portion. The elongate member is designed for attachment to a window frame of a electric powered window such that the lip portion and the first side of the base portion are adapted for abutting against the window frame of the electric powered window. The base portion has an interior space extending between the ends of the elongate member. A pair of elongate electrically conductive strips are provided in the interior space of the base portion. The strips are spaced apart from one another. Each of the strips is adapted for electrical connection to the control mechanism of an electric powered window. In use, closing of an electric powered window is stopped when the first and second sides of the base portion are compressed together such that the strips in the interior space of the base portion come into contact with each other.
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