Screw-thread repair tool

Cutting by use of rotating axially moving tool – Tool or tool with support – Having inversely angled cutting edge

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

408215, B23G 500

Patent

active

050603302

ABSTRACT:
A chasing tool for repairing screw threads, which includes a substantially prismatic body with a bottom and a top surface, having on one end of the body a transverse, notch-like recess opening into the top surface and serving as a support for the threaded component the thread of which is to be repaired, and extending in a direction substantially perpendicular to the direction of the notch-like recess, starting from the other end of the body, at least one slot opening into the notch-like recess. The tool further includes a handle extending from the bottom surface of the body and is attached thereto with one degree of freedom in rotation. The handle is provided with an axially directed bore, at least a portion of which is provided with an internal thread. There is also provided at leasst one arm fitting into the slot with clearance and hingedly articulated, at a first point, to the body at a region thereof close to the other end, and at a second point, to the thermal portion of a rod at least a part of whose length is provided with an external thread matching the internal thread of the bore in the handle, the free end portion of the arm projecting into the region of the notch-like recess and is provided with thread-chasing means.

REFERENCES:
patent: 793686 (1905-07-01), Sherkel
patent: 952042 (1910-03-01), Heggem
patent: 995984 (1911-06-01), Pedery
patent: 1017403 (1912-02-01), Barbarino
patent: 1367323 (1921-02-01), Oster
patent: 1371660 (1921-03-01), Akers et al.
patent: 1854389 (1932-04-01), Arndt
patent: 2388790 (1945-11-01), Machliet
patent: 2508291 (1945-06-01), Porro
patent: 2875518 (1959-03-01), Dyczynski
patent: 2921369 (1960-01-01), Stanley
patent: 3355749 (1967-12-01), Steffen
patent: 3793659 (1974-02-01), Edgar
patent: 4150450 (1979-04-01), Lamb

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Screw-thread repair tool does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Screw-thread repair tool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Screw-thread repair tool will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1390396

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.