Method and means of straightening cycle frames

Details Method and means of straightening cycle frames Method and means of straightening cycle frames

1975-07-10

1978-05-09

Combs, E. M.

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

72455, 72457, 72705, B21D 114, B21D 310, B21D 316, B21J 1304

Patent

active

040880028

ABSTRACT:
The means of this invention comprises a rectangular cage means including spaced apart frame members adapted to receive the cycle frame therein. A plurality of length adjustable support members are secured to the frame members for supporting and positioning the cycle frame relative to the cage means. A hydraulic ram is selectively adjustably secured to the frame members as required and includes a rod portion adapted to engage the cycle frame to deflect or bend the same upon actuation of the ram means. A device is also disclosed for straightening the frame head portion of the cycle frame and for determining if the frame head has been properly vertically aligned and to determine if the frame has the proper rake angle. The method of straightening the cycle frame is also disclosed.

REFERENCES:
patent: 1903436 (1933-04-01), Brown
patent: 2069249 (1937-02-01), Hunt
patent: 2140686 (1938-12-01), Bennett
patent: 2559250 (1951-07-01), Jackson
patent: 2627295 (1953-02-01), Jackson
patent: 2705040 (1955-03-01), Howick
patent: 3214959 (1965-11-01), Bowden
patent: 3835693 (1974-09-01), Majersky
patent: 3927550 (1975-12-01), Samuelson
patent: 3948106 (1976-04-01), Armbruster
patent: 4003239 (1977-01-01), Step

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