Washer anchoring construction

Details Washer anchoring construction Washer anchoring construction

1980-06-06

1982-11-02

Desmond, Eugene F.

Geometrical instruments

339107, 24132AA, H01R 13639

Patent

active

043570631

ABSTRACT:
A construction for protecting against damage to or unplugging of an electrical cord or plug connected to a portable musical instrument supported on the performer's shoulder by means of a strap attached to studs or the like projecting from the instrument body. The construction includes a washer removably mounted on one of such studs, serving not only to prevent accidental dislodgement of the strap from the stud, but also as an anchoring point for the electrical cord. The assembly between the cord and washer may include an elongated resilient member to snub or soften any jerk on the cord resulting for example from sudden or excessive movement of the performer. The washer includes two circular members each having a pear-shaped opening, the washer being in locked position when the openings are out of registration with one another.

REFERENCES:
patent: 127780 (1872-06-01), Marsh
patent: 1452150 (1923-04-01), Foster
patent: 2089665 (1937-08-01), Roberts et al.
patent: 3951504 (1976-04-01), Clark
patent: 3960432 (1976-06-01), Wilbur

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