Boring tool with fluid feed

Details Boring tool with fluid feed Boring tool with fluid feed

1984-02-23

1985-11-19

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Means to drive tool

Including means to move tool along tool-axis

408 10, 188282, 188317, 92 10, B23B 3910

Patent

active

045538832

ABSTRACT:
The invention pertains to a boring tool for boring cylinder chambers of internal combustion engines without removing the engines from the vehicle chassis. A housing affixed to the engine block includes a rotatable driveshaft supporting a cutting tool whereby rotation of the driveshaft by an electric motor causes linear movement of the driveshaft to feed the tool. Tool advance is produced by a spiral groove pump defined upon a piston mounted on the driveshaft located within an oil-filled cylinder defined in the housing. A valved fluid passage located in the driveshaft piston selectively permits the pump to be bypassed for axial rapid traverse movement of the driveshaft and tool.

REFERENCES:
patent: 2152293 (1939-03-01), Wagner
patent: 3331266 (1967-07-01), Brooks
patent: 3519109 (1970-07-01), Whisler, Jr.
patent: 3548977 (1970-12-01), Morgan
patent: 3763970 (1973-10-01), Anderson

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