Rotary arc ram

Details Rotary arc ram Rotary arc ram

1989-07-11

1991-12-31

Rosenbaum, Mark

Cutting

Cutting motion of tool has component in direction of moving...

With means to initiate intermittent tool action

83632, 83700, B23D 2605

Patent

active

050761250

ABSTRACT:
A tube cutoff apparatus includes a parallelogram link assembly and a rotary arc ram which orbits 360.degree. to maximize the vertical workstroke of the ram relative to the apparatus and has a lower inertia whereby to cut tubes of increased diameter, increase the ram length while decreasing the power required to drive the ram, and increase the driving response. The ram includes separated guide tracks with each track including a slide member that is disposed for sliding movement therein, the guide tracks defining wear plates and the slide members being connected to pairs of links. In one embodiment, two slide members are interconnected by a link plate, preferably by connecting to the individual pivot pins.

REFERENCES:
patent: 3273433 (1966-09-01), Borzym
patent: 3288011 (1966-11-01), Borzym
patent: 3288012 (1966-11-01), Borzym
patent: 3745868 (1990-06-01), Prentic
patent: 4031792 (1977-06-01), Borzym et al.
patent: 4228706 (1980-10-01), Borzym
patent: 4354409 (1982-10-01), Riera et al.

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