Land vehicles: wheels and axles – Wheel – Detachable wheel section
Patent
1978-03-02
1979-10-02
Holko, Thomas J.
Land vehicles: wheels and axles
Wheel
Detachable wheel section
85 32R, 85 35, 151 38, 301 63PW, B60B 316, F16B 3714
Patent
active
041696301
ABSTRACT:
A one-piece sheet metal nut particularly adapted to be clamped against a plastic workpiece to accommodate any cold flow of the plastic under the clamping force without appreciably reducing the tension in the joint thus created. The nut incorporates an inner internally threaded body integrally connected by an upper top wall to an outer body. The lower region of the outer body is frustoconical and adapted to engage a mating frustoconical surface in the plastic with the uppermost extremities of the nut incorporating an axially compressible spring means permitting portions of the sheet metal nut to move longitudinally relative to one another, which, in conjunction with the broad surface contact between frustoconical surfaces, overcomes any cold flow effect.
REFERENCES:
patent: 840791 (1907-01-01), Mohring
patent: 1229911 (1917-06-01), Dodds
patent: 1300832 (1919-04-01), Gallagher
patent: 2101514 (1937-12-01), Schmaus
patent: 2161740 (1939-06-01), Eksergian
patent: 2287691 (1942-06-01), Marchou
patent: 2394491 (1946-02-01), Schaper
patent: 2723584 (1955-11-01), Parker
patent: 3198229 (1965-08-01), Beltoise
patent: 3364806 (1968-01-01), Chaivre
patent: 3560052 (1971-02-01), Verdier
Beart Robert W.
Holko Thomas J.
Illinois Tool Works Inc.
Thomson Richard K.
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