Unit for milling and drilling

Details Unit for milling and drilling Unit for milling and drilling

1994-03-31

1995-05-09

Howell, Daniel W.

Gear cutting, milling, or planing

Milling

Machine frame

408 88, 408 90, 408111, 408234, B23C 106, B23B 4728

Patent

active

054134404

ABSTRACT:
A milling and drilling unit utilizes a stiff arm and a articulated arm, both arms being supported on an upright post and each being fitted with a clamping member that is capable of engaging bodies of substantial cross-sectional variation. The arms can be raised and lowered on a rack, using a meshing pinion that is operated from either side of the unit, and they are capable of rotation about the supporting post when lowered sufficiently to disengage the rack-and-pinion mechanism; clamping levers serve to fix the arms in selected vertical positions.

REFERENCES:
patent: 2095665 (1937-10-01), Greth
patent: 2413677 (1947-01-01), Beitz
patent: 2616176 (1952-11-01), Rodin
patent: 2629268 (1953-02-01), Budney
patent: 2835289 (1958-05-01), Rockwell
patent: 4118141 (1978-10-01), Spohn, Jr.
patent: 4284373 (1981-08-01), Wolff
Harnish & Reith "Prazisions-Frasgorat D-F 44".
Derquicksplit Repro-Frassockel.
K-9 Milling Installation EWL 915/990/960.
APM-Sterngold PFG 100 Milling Unit and Parallelometer.
Frasgerat AF 30 Machine AF 30 Universelle AF 30.

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