Cutlery
Patent
1977-09-01
1980-03-25
Frankfort, Charles E.
Cutlery
16 88, 308 6R, 312341R, F16C 2100
Patent
active
041947932
ABSTRACT:
A telescoping guide rail construction comprising a plurality of telescoping rails, generally U-shaped in cross-section, and balls between the rails running in concave ball races formed by integral mouldings of adjacent rails. At least one of the integral mouldings is formed by a portion of a flange bent over at the end of a leg of one of the rails and bent back at least substantially into contact with the leg concerned. In order to resist deformative effects from the rolling action of the balls on their races in use, the free end of the curved-back portion of the flange is bent back towards the leg concerned to form a terminal edge bearing with its extremity on the leg in the vicinity of the base thereof.
REFERENCES:
patent: 2261504 (1941-11-01), Saunders
patent: 2320276 (1943-05-01), Gussack
patent: 2606090 (1952-08-01), Straubel
patent: 3157441 (1964-11-01), Pickles
patent: 3588198 (1971-06-01), Stewart et al.
patent: 3650578 (1972-03-01), Del Vecchio et al.
Frankfort Charles E.
Thomas Regout N.V.
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