IP Library Granted Patent US 10,112,289
Granted Patent B2
US 10,112,289 · App. 15/344,289 · Granted Oct 30, 2018

Tool for pulling impeller wear ring

Inventors: Alexander K. Miller (Dallas, TX); Shane McWhorter (Murchison, TX); Louis C. Bock (West Lake Hills, TX)
B25B27/023B25B27/062
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Quick Facts
Patent No.
US 10,112,289
App. No.
15/344,289
Granted
Oct 30, 2018
Kind
B2
Abstract

Described herein is a tool for removing a wear ring, the tool comprising: a base; a leg base; a spreader disc comprising: a top, bottom, and sloped edge; a plurality of legs comprising: a first end coupled to the leg base, and a saw tooth shaped end; a plurality of spreader bolts, passing though the base and threaded into the spreader disc; and a puller bolt, passing through the base and spreader disc; and threaded into the leg base.

Claims (8)

1. A method for wear ring removal comprising:

inserting legs of a wear ring removal tool into a channel formed by the wear ring, the legs coupled to a base;

tightening a plurality of spreader bolts causing a spreader to engage the legs with the wear ring, the plurality of spreader bolts passing through holes in the base into threaded holes in the spreader, the spreader configured to move up and down along the plurality of spreader bolts during operation such that as the plurality of spreader bolts are tightened the spreader is drawn toward the base in order to effectuate spreading of the legs; and

tightening a puller bolt, the puller bolt passing through the spreader and engaging an impeller.

2. The method of claim 1 , wherein the legs comprises three legs.

3. The method of claim 1 , wherein the spreader bolts comprises three spreader bolts.

4. The method of claim 1 , wherein the spreader comprises: a top, bottom, and sloped edge.

5. The method of claim 4 , wherein the top comprises a diameter smaller than a diameter of the bottom.

Continuity (2)
Division 14242483 · Apr 1, 2014
Related Publication 20170072547A1 · Mar 16, 2017