Electricity: circuit makers and breakers – Electric switch details – Contact
Patent
1975-07-14
1977-08-16
Schaefer, Robert K.
Electricity: circuit makers and breakers
Electric switch details
Contact
335192, H01H 120
Patent
active
040427986
ABSTRACT:
The device includes a carrier having first and second openings which are interconnected by a breakthrough opening. A pull bracket, including a main portion which seats in one opening of the carrier and a pair of arms extending into the second opening through the breakthrough, retains the compression spring in the second opening. The arms positioned within the coils extend the length of the spring and just beyond where they are bent back along their longitudinal axis. A retainer washer is provided which has suitably dimensioned cutouts facilitating placement of the washer over the bent arms which then lock it in position to thereby retain the spring.
REFERENCES:
patent: 3064104 (1962-11-01), Wells et al.
German Printed Application, Auslegeschrift, Muller et al., Published Nov. 17, 1960.
Ginsburg Morris
Schaefer Robert K.
Siemens Aktiengesellschaft
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