Electricity: conductors and insulators – Feedthrough or bushing – Compression
Patent
1980-09-26
1982-11-02
Stellar, George G.
Electricity: conductors and insulators
Feedthrough or bushing
Compression
174 69, 191 12R, H04M 115, H01B 706
Patent
active
043575005
ABSTRACT:
The device is an accessory attachment which prevents twisting and entanglement of the commonly used helical extensible telephone cords which connect the telephone handset to the main telephone or base. The device is a somewhat flexible elongate member centrally positioned within the cord and attached to the opposite ends of the cord.
REFERENCES:
patent: 1730945 (1929-10-01), Poole
patent: 2191011 (1940-02-01), Dorman
patent: 2206703 (1940-07-01), Lowe
patent: 2281542 (1942-05-01), Barrans et al.
patent: 2452431 (1948-10-01), Collins et al.
patent: 2587707 (1952-03-01), Dever
patent: 2795641 (1957-06-01), Rowell
patent: 2880992 (1959-04-01), Gubernick
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