Patent · US Expired

Device for rotating and axially moving a bolt

US4565111A · kind A · utility

5Cited by

7References

18Claims

0Family size

Assignee

Wirth Maschinen-und Bohrgerate-Fabrik GmbH · DE

Inventors

Karl-Heinz Ecker · Erkelenz, DE
Erhard Hoffmann · Altenriet, DE

Key dates

Filing date	May 21, 1984
Grant date	Jan 21, 1986
Priority date	—
Expiry date	May 21, 2004

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E30/30
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The device for rotating and axially moving a bolt comprises the bolt and a coupling part engageable with the end of the bolt wherein the bolt has a chamber which is accessible from the front end and is provided with at least one tangential abutment and at least one axial abutment for a head with a transverse projection on the coupling part.

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