Rotary tool with axial feed

Tool driving or impacting – Advance causing or controlling means – Tool advances relative to drive

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Details

408130, B23Q 5027, B23B 4504

Patent

active

042992940

ABSTRACT:
The tool includes an elongated body, rectangular in cross-section and having a switch housing mounted on one side face, to enable the mounting of an array of such tools in close side-by-side relation. A hydraulic motor, rotary drive spindle, and extensible quill are mounted relative to the housing about a common rotary and extension axis. The drive spindle has an external spline at its rear end, for engagement with an internally splined drive coupling which is secured to the motor drive shaft by means of a special key arrangement to prevent axial movement of the drive coupling. The quill is extended by a fluid operated cylinder-piston structure; and the front end of the drive shaft is supported within the front end of the quill by means of a uniquely mounted bearing. The bearing is mounted at the squared front end of the quill for precise axial and squared alignment; and is also confined between the spindle drive shaft and spindle end for precise axial and squared alignment relative to the spindle.

REFERENCES:
patent: 2932192 (1960-04-01), Hansen
patent: 3200426 (1965-08-01), Barr
patent: 3299783 (1967-01-01), Mazue
patent: 3528510 (1970-09-01), Peterson
patent: 3663138 (1972-05-01), Petroff
patent: 4105361 (1978-08-01), Petroff

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