초록 ▼

An electrical receptacle having front and rear casings forming an enclosed housing for a printed circuit board carrying contacts into which the blades of a plug connected to the receptacle are inserted. The housing includes portions cooperatively placed with respect to the circuit board to provide u

An electrical receptacle having front and rear casings forming an enclosed housing for a printed circuit board carrying contacts into which the blades of a plug connected to the receptacle are inserted. The housing includes portions cooperatively placed with respect to the circuit board to provide underlying support for the contacts, as well as to assist in positioning the circuit board relative to the housing. The circuit components carried by the circuit board include three varistor devices for suppressing high transient voltages and the housing includes internal walls providing spaced cavities to receive the respective varistor devices. Another aspect concerns a one-piece mounting strap positioned entirely exteriorly of the receptacle housing and connected thereto by cooperative engagement portions on the strap and the housing, requiring no screws, rivets or other fastening devices.

대표청구항 ▼

An electrical receptacle having integral means for suppressing high transient voltages in the power provided by the receptacle to electrical equipment connected thereto, said receptacle comprising: (a) a rear casing having: (i) a back wall with substantially flat inner and outer surfaces; (ii) a sid

An electrical receptacle having integral means for suppressing high transient voltages in the power provided by the receptacle to electrical equipment connected thereto, said receptacle comprising: (a) a rear casing having: (i) a back wall with substantially flat inner and outer surfaces; (ii) a side wall extending integrally from said back wall about the entire periphery thereof and perpendicular thereto, said side wall having inner and outer surfaces adjoining the respective inner and outer surfaces of said back wall; and (iii) at least one rigid member extending outwardly from said back wall inner surface within the periphery of said wall; (b) a substantially flat printed circuit board carrying: (i) a plurality of components including at least one element adapted to clamp high, short-term voltages imposed thereon to a lower, safe level; (ii) at least one female contact for receiving a male blade of a plug connected to said receptacle; and (iii) means electrically connecting said components and said contact; (iv) said circuit board having a peripheral configuration fitting within said side wall inner surface with said circuit board in a plane superposed and substantially parallel with said back wall inner surface; (c) cooperative alignment means on said circuit board and said rear casing for positioning said circuit board, and thereby said components and contact carried thereby, in predetermined relation to said rear casing, said contact being positioned directly over and receiving underlying support from said rigid member when said circuit board and said rear casing are in said predetermined relation; and (d) a front casing having: (i) a front wall having openings for receiving the male blades of a plug connected to said receptacle; and (ii) means for cooperatively engaging said rear casing to form therewith an enclosed housing containing said circuit board and elements carried thereby.