Workpiece removal device for a hole saw

Cutting by use of rotating axially moving tool – With product handling or receiving means – Ejector

Reexamination Certificate

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Details

C408S204000

Reexamination Certificate

active

07001116

ABSTRACT:
A workpiece removal device10for a hole saw8includes a positioning member12joined to the hole saw8,a first securing member14joined to the positioning member12,a biasing member16having a first end18joined to the first securing member14;a second securing member20joined to a second end22of the biasing member16;and disposing the second securing member20in communication with a workpiece whereby a preselected portion of the workpiece is ultimately severed from the workpiece by the hole saw, whereupon, the biasing member forcibly removes the severed preselected portion of the workpiece from the hole saw.

REFERENCES:
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patent: 5035548 (1991-07-01), Pidgeon
patent: 5934845 (1999-08-01), Frey
patent: 234301 (1961-06-01), None
patent: 904860 (1945-11-01), None
patent: 2668405 (1992-04-01), None
patent: 57-163006 (1982-10-01), None
patent: 2003-145330 (2003-05-01), None
patent: 63762 (1949-07-01), None
patent: 271781 (1970-09-01), None

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