Preassembled spring washer fastener unit

Details Preassembled spring washer fastener unit Preassembled spring washer fastener unit

1975-11-14

1977-06-28

Frazier, Roy D.

Brushing, scrubbing, and general cleaning

85 50B, 151 40, F16B 3924

Patent

active

040319369

ABSTRACT:
A locking fastener unit including a spring washer preassembled to a rotary fastener member with mounting means having an axis disposed eccentrically to the axis of the thread convolutions so that retrograde motion of these threaded fastener units is resisted both by the spring tension of the washer and by the requirement that the washer must include a translational movement element as the fastener member is rotated in a retrograde direction.

REFERENCES:
patent: 1020178 (1912-03-01), Battin
patent: 2529854 (1950-11-01), Tarwater
patent: 2681678 (1954-06-01), Hage
patent: 3181584 (1965-05-01), Borowsky
patent: 3275055 (1966-09-01), Gutshall
patent: 3438416 (1969-04-01), Thurston
patent: 3438417 (1969-04-01), Albris
patent: 3540509 (1970-11-01), Gutshall
patent: 3659491 (1972-05-01), Duffy et al.

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