Work-piece supported tool apparatus particularly adapted for use

Details Work-piece supported tool apparatus particularly adapted for use Work-piece supported tool apparatus particularly adapted for use

1979-08-03

1981-05-19

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Machine including plural tools

Coaxial tools

51178, 51241S, 408 41, 408 53, 408 78, 408103, 409180, B23B 3922, B23B 4100

Patent

active

042681960

ABSTRACT:
Apparatus is provided for carrying, positioning and operating relatively unwieldy machine tools, such as heavy multiple-head drilling assemblies, upon massive flanged work-pieces, such as structural members for bridges, in order to more efficiently perform required operations upon the work-pieces, such as the pre-drilling of girders and their associated splice plates in a fabrication yard prior to field erection of the structure into which they will be assembled. The tool-carrying apparatus utilizes the work-piece itself as a supporting track and is provided with self-contained mechanism for propelling the apparatus to successively desired positions along the work-piece, with self-contained mechanism for releasably securing the apparatus in a desired position upon the work-piece, with self-contained mechanism for adjusting the tool vertically or/and tiltably relative to the work-piece, and with self-contained mechanism for shifting the tool toward and away from the work-piece, as well as self-contained mechanism for operating the tool itself.

REFERENCES:
patent: 2546957 (1951-03-01), Ray
patent: 2630026 (1953-03-01), Monson
patent: 2871730 (1959-02-01), Gremp
patent: 2988934 (1961-06-01), Shlager
patent: 4179230 (1979-12-01), Kitagawa

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