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Out of round tool bit holder assembly

a technology of round tool bit holder and assembly, which is applied in the direction of turning machine accessories, manufacturing tools, portable lathes, etc., can solve the problems of special challenges for out-of-round work pieces and out-of-round work pieces

Active Publication Date: 2005-06-23
HYDRATIGHT OPERATIONS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007] The tool bit holder includes a roller operatively coupled to the tool bit holder. The roller is urged against the outer surface of the work piece by a plurality of springs, which are operatively disposed between the base and

Problems solved by technology

A problem arises however when the work piece is out-of-round.
Out-of-round work pieces present a special challenge because the prior art tool bits tend to make an uneven cut of the out-of-round work piece.

Method used

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Examples

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Embodiment Construction

[0013] The present invention represents broadly applicable improvements to a tool slide assembly, which holds a tool bit for use in a clamshell lathe assembly. The embodiments detailed herein are intended to be taken as representative or exemplary of those in which the improvements of the invention may be incorporated and are not intended to be limiting. For purposes of discussion, and without any limitation intended, the tool slide assembly of the present invention will be described in conjunction with a clamshell lathe assembly of known suitable construction. Those skilled in the art will appreciate that the tool slide assembly of the present invention may be utilized with a variety of other available lathes for machining work pieces.

[0014]FIG. 1 shows a perspective view of the slide bit assembly 10. The exploded view in FIG. 2 shows that the tool bit assembly generally comprises a base 12 and a tool bit holder. The tool bit holder comprises a slide plate 14, which includes two r...

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Abstract

A tool slide assembly mounted on a clamshell lathe where the clamshell lathe is used to machine an out-of-round work piece. The tool slide assembly generally comprises a base mounted on the rotatable ring of the clamshell lathe and a tool bit holder. The tool bit holder comprises a follower member and a tool block adapted to hold a tool bit, where the follower member is urged against an outer surface of the out-of-round work piece by a plurality of springs. The tool block is incrementally translated such that the tool bit gets fed into the out-of-round work piece.

Description

I. BACKGROUND OF THE INVENTION [0001] A. Field of the Invention [0002] This invention relates to a new and improved assembly for holding a tool bit used to machine an out-of-round work piece. In particular the invention relates to a slidable assembly used in connection with a clamshell lathe for machining a work piece. [0003] B. Description of the Related Art [0004] My previous U.S. Pat. No. 4,739,685 on a clamshell lathe assembly teaches how to machine a pipe and provide a bevel cut using a clamshell lathe. The major benefit of the '685 patent is that it allows one to easily attach and detach the lathe from the work piece to be machined. A tool bit mounted in a tool slide affixed to the rotatable ring of the clamshell lathe then orbits the pipe and machines said pipe. [0005] A problem arises however when the work piece is out-of-round. Prior lathe assemblies are designed for circular work pieces. Out-of-round work pieces present a special challenge because the prior art tool bits t...

Claims

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Application Information

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IPC IPC(8): B23B3/26B23B5/08B23Q1/48
CPCB23B3/26Y10T82/16Y10T82/22B23Q1/4804
Inventor PLACE, BRENT
Owner HYDRATIGHT OPERATIONS
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