Blade changing tool

Details Blade changing tool Blade changing tool

2008-06-09

2010-02-16

Wilson, Lee D (Department: 3727)

Metal working

Means to assemble or disassemble

Means comprising hand manipulatable tool

C029S278000

Reexamination Certificate

active

07661183

ABSTRACT:
A blade changing tool for use in a cutting device including a chuck table for holding a workpiece and a cutting device including a blade mount for rotatably supporting a cutting blade for cutting the workpiece held by the chuck table. The blade changing tool includes a C-shaped elastic cylindrical body including a cutout formed by cutting out a part of a circular cylinder, a holding groove formed on the inner circumferential surface of the cylindrical body at one end portion thereof and adapted to surround a circular hub of the cutting blade, and a grip portion adapted to be gripped by an operator for making a change from an inoperative condition where the circular hub of the cutting blade is surrounded by the inner circumference of the cylindrical body to an operative condition where the circular hub is held by the inner circumference of the cylindrical body.

REFERENCES:
patent: 2355582 (1944-08-01), Zempel
patent: 5005279 (1991-04-01), Kooiker
patent: 6073349 (2000-06-01), Liversidge
patent: 6148493 (2000-11-01), Pixley et al.
patent: 6415492 (2002-07-01), Jamison
patent: 6742421 (2004-06-01), Chen
patent: 7337515 (2008-03-01), Phillips et al.
patent: 2005/0270696 (2005-12-01), Aoishi et al.
patent: 2008/0313875 (2008-12-01), Tomooka et al.
patent: U 7-3952 (1995-01-01), None

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