Pivoted arm punching machine

Cutting – Means to drive or to guide tool – Clicker die press

Patent

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Details

100228, B26F 140

Patent

active

046516085

ABSTRACT:
A drive for the pivot arm of a pivoted arm punching machine includes an electrical drive motor arranged to drive a driving gear wheel which, in turn, is in meshed engagement with and drives a driven gear wheel secured to the pivot arm. A braking mechanism arranged to stop the driven gear wheel when the drive motor is stopped. The braking mechanism includes a brake lining which is pressed against the driven gear wheel by a brake plate. The brake plate is actuated by a pneumatic cylinder located within the punching machine when the drive motor is stopped.

REFERENCES:
patent: 1010476 (1911-12-01), Buckminister
patent: 1403491 (1922-01-01), Eaton
patent: 2241556 (1941-05-01), MacMillin et al.
patent: 3212382 (1965-10-01), Haas
patent: 3522753 (1970-08-01), Schmied
patent: 3905265 (1975-09-01), Peterson et al.
patent: 4070940 (1978-01-01), McDaniel et al.

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