Joints and connections – With adjunctive protector – broken parts retainer – repair,... – Position or guide means
Patent
1988-11-07
1991-04-16
Kundrat, Andrew V.
Joints and connections
With adjunctive protector, broken parts retainer, repair,...
Position or guide means
403 24, 439679, B25G 300
Patent
active
050077597
ABSTRACT:
An arrangement for associating an electrical device with a mounting is provided that includes cooperating structure to prevent the association of inappropriate electrical devices and mountings. Specifically, cooperating support structures that are provided on the mounting and carried by the electrical device cooperate to provide the supporting of the electrical device within the mounting; the cooperating support structures being dimensioned so as to interfere with and prevent the association and support of an electrical device in a mounting that is inappropriate therefor. In a specific arrangement, either the electrical device or the mounting carries receiving structure with defined openings, and the other of the electrical device or mounting carries interfitting protuberances. The appropriate dimensions of the protuberances and the openings prevent the association of inappropriate combinations of electrical devices and mountings while permitting the association of appropriate combinations of electrical devices and mountings. Each of the protuberances has different predetermined dimensions and the appropriate openings include corresponding dimensions. For example, in a specific configuration, a member or fitting attached to an electrical device includes a right-hand side protuberance that is larger than the left-hand side protuberance, and the appropriate mounting includes correspondingly disposed and dimensioned openings; i.e., the right-hand side opening being larger than the left-hand side opening. In this manner, different supports can be formed for two different electrical devices from identical stampings by bending of the stampings in opposite directions.
REFERENCES:
patent: 2958014 (1960-10-01), Blain
patent: 3229242 (1966-01-01), Finney et al.
patent: 4379610 (1983-04-01), Upchurch
patent: 4666325 (1987-05-01), Vantouroux
patent: 4687277 (1987-08-01), Biller
patent: 4759730 (1988-07-01), Sappington et al.
S&C Descriptive Bulletin 252-14 30 dated Mar. 21, 1983 (28 pages).
Kundrat Andrew V.
Lapacek James V.
S&C Electric Company
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