Patent Yard Sign in
Expired Canadian patentCanada

Thread clamping device and methods of use

CA 2588045 C · Owner: Smith, Ronald · Inventors: Smith, Ronald

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

The present invention relates to a thread clamping device (10) including a plurality of movable nut segments (16A-16D) around a threaded rod (11) and , spring members (18,20) flexibly holding the segments against the rod. The thread clamping device (10) has a structure adapted to accommodate substantially planar outer surfaces of the segments engaging planar surfaces of the end housing (12) of the device, leading to a more robust device and improved performance. Such a thread clamping device can advantageously be used as a component of a self-adjusting shrinkage compensation device a coupler , for threaded rods, hold-downs among other uses. Various embodiments of the thread clamping …

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed November 18, 2005 and granted August 27, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 18, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 18, 2005
GrantedAugust 27, 2013
Term endedNovember 18, 2025
Patent numberCA 2588045 C
Classification (IPC)F16B37/08

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 18, 2005Patent grantedAug 27, 2013Term endedNov 18, 2025

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.