Patent · US Expired

Boring device

US4100983A · kind A · utility

8Cited by

5References

8Claims

0Family size

Assignee

Firma Botek Praezisions-Bohrtechnik Schur & Co. · DE

Inventors

Lothar Herrmann · Schwäbisch Hall, DE
Gotthold Schur · Riederich, DE

Key dates

Filing date	May 10, 1976
Grant date	Jul 18, 1978
Priority date	—
Expiry date	May 10, 1996

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/85893
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A boring device adapted for deep well drilling wherein a cutting plate is fixed in operative position in a recess of a boring head by means of a clamping bolt. The cutting plate is reversible and its position in the boring head is adapted to be adjusted in a substantially radial direction. The cutting plate has a serrated surface and the bottom of the recess has a matingly serrated surface which when contacting each other enhance the clamping action of the clamping bolt.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.