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Patent Searching and Data


Title:
SCREW TAP AND TOOL HOLDER
Document Type and Number:
WIPO Patent Application WO/2010/049831
Kind Code:
A3
Abstract:
A screw tap (10) comprising a shaft (12) and a thread cutter (13) provided at the free end, and a clamping surface (14) disposed on the shaft are described in which a design break point (15) is provided in the area of the other end, said screw tap breaking off at said break point when a breaking load is applied. Also described is a tool holder (31) for a drilling machine, a rotating machine or a machining center comprising a clamping means (33) for a tool, in particular a screw tap, and comprising a drive shaft (35). The clamping means (33) is mounted in the tool holder (31) in a moveable manner in the longitudinal direction, said means capable of being brought to a retracted position in the tool holder by way of compression springs (46).

Inventors:
SCHNEEGANS, Thomas Hugo (Hinterdorfstrasse 25, Weil am Rhein, 79576, DE)
Application Number:
IB2009/054327
Publication Date:
December 09, 2010
Filing Date:
October 02, 2009
Export Citation:
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Assignee:
SCHNEEGANS, Thomas Hugo (Hinterdorfstrasse 25, Weil am Rhein, 79576, DE)
International Classes:
B23G5/06; B23G1/46
Foreign References:
US2101347A1937-12-07
DE20001825U12000-05-04
US3458882A1969-08-05
Attorney, Agent or Firm:
SPIERENBURG, Pieter (Spierenburg & Partner AG, Patent- und MarkenanwälteMellingerstrasse 12, Niederrohrdorf, CH-5443, CH)
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