Electricity: conductors and insulators – Conduits – cables or conductors – Single duct conduits
Patent
1979-09-24
1981-09-15
Askin, Laramie E.
Electricity: conductors and insulators
Conduits, cables or conductors
Single duct conduits
174153G, 310 71, H02G 318, H01B 1726
Patent
active
042899230
ABSTRACT:
The strain relief grommet has internally located intermittent clamping teeth and when the grommet is located around a cord set and then lodged in a notch in a frame of a motor, teeth pierce the outer jacket of the cord and engage the internal insulation wrappings around the lead wires. This prevents removal or loosening of the cord from its internal connection in the event the cord set is pulled from outside of the motor.
REFERENCES:
patent: 2128883 (1938-08-01), Burt
patent: 2233909 (1941-03-01), Burt
patent: 2277637 (1942-03-01), Eby
patent: 3197556 (1965-07-01), Simon
patent: 3502917 (1970-03-01), Bizoe
Massee, D. L., "Sealing Clamp", IBM Technical Disclosure Bulletin, vol. 11, No. 7, Dec. 1968.
Askin Laramie E.
Marathon Electric Manufacturing Corp.
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