H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/159, 306/354
H01H 37/04 (2006.01) H01H 71/02 (2006.01) H01H 73/26 (2006.01) H01H 1/50 (2006.01) H01H 9/34 (2006.01) H01H 11/00 (2006.01) H01H 71/08 (2006.01) H01H 71/10 (2006.01)
Patent
CA 2010916
ABSTRACT OF THE DISCLOSURE A circuit protector employs molded resinous parts including a base and a support frame structure. Advantageously the circuit protector support frame structure may include a medial plane frame providing space for two circuit protectors, one on each side of the frame and a common back plane mutually perpendicular to the medial frame and the base along one edge of the base. A cover fits over the support frame and base and snugly accommodates the base at its terminal edges except immediately along the back plane. The back plane is provided with a slot through the back plane in the vicinity of each pair of contacts which communicates to a space between the cover and the back plane of the base permitting venting of gases generated by arcing. Grooves are supplied in the medial plane frame and the back plane to accommodate edge flanges of an arc suppressing grid to hold the grid in place to bracket the contacts. The movable contact in each case is supported on a resilient contact support which is limited in its maximum open position by a stop supported on the back plane or medial plane frame. The base outside of the housing is provided with pockets which surround on three sides of each of the terminals and insulate them from one another. In a preferred two circuit protector configuration, one side of each pocket is formed by the base, one by a wall between the terminals for the respective circuit protectors and one by a wall between terminals for the same circuit protector. A spade terminal is provided which may be adapted to a screw terminal by an L-shaped adapter, one leg of which provides a bracket snugly engaging the spade terminal. A spring detent engages an opening in the spade .. . . . . terminal to latch the adaptor in place. The other leg of the L provides a support bracket arranged to be engaged by a retaining groove in an insulating wall and provides threaded means to be engaged by another threaded means. One of those threaded means is a screw or threaded stud which passes through a hole in a saddle member arranged generally parallel to the support bracket leg of the L-shaped member and has flanges which embrace that support bracket along the opposite edges.
Borden Ladner Gervais Llp
Corporation Eaton
Fierro Joseph
Heinemann Electric Company
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