Tool bit with carrier member and cutting member

Details Tool bit with carrier member and cutting member Tool bit with carrier member and cutting member

1995-11-28

1998-04-07

Bishop, Steven C.

Cutting by use of rotating axially moving tool

Tool of specific diverse material

761082, 76DIG10, 1754201, 175426, 175435, 407118, 408224, 408227, 408231, B23B 5100, E21B 1036

Patent

active

057356483

ABSTRACT:
A tool bit for use in at least one of a drilling and cutting operation is formed of an axially extending carrier member (1) and a cutting member (2). The cutting member (2) has an expansion joint (2a) extending parallel to the axis of the carrier member (1). The expansion joint (2a) is formed by reducing the thickness of the cutting member (2) so that material webs (2b) remain. In the fabrication and formation of the tool bit, the cutting member (2) is a single unit. In the use of the tool bit, due to the expansion joint the cutting member forms individual operating units (2a) affording reduced material expense of the cutting member (2), because of reduced stresses.

REFERENCES:
patent: 2614813 (1952-10-01), Shepherd
patent: 2784943 (1957-03-01), Bylund
patent: 4951762 (1990-08-01), Lundell
patent: 5197556 (1993-03-01), Jordan
patent: 5265989 (1993-11-01), Stock
patent: 5630478 (1997-05-01), Schimke

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