Evan W Cook

US Patent:

20200262033, Aug 20, 2020

Filed:

Feb 24, 2020

Appl. No.:

16/799635

Inventors:

- Carlsbad CA, US
Evan A. COOK - Temecula CA, US

International Classification:

B25B 15/00
B25G 1/10
A61C 8/00
B25B 27/18
B25B 15/02
A61C 1/00

Abstract:

A driver tool for insertion and removal of a first part configured for threaded engagement in a corresponding threaded bore in a second part has a driving end portion of polygonal shape with multiple flats configured for engagement in a recess in the first part having a corresponding polygonal shape. Some or all of the flats have a respective grabbing feature or edge designed to grab or grip into the opposing surface of the recess to allow a greater amount of torque to be applied to the first part when the tool is rotated in the unthreading direction than when it is rotated in the opposite threading or insertion direction.

US Patent:

20170282337, Oct 5, 2017

Filed:

Mar 20, 2017

Appl. No.:

15/463965

Inventors:

- Carlsbad CA, US
Evan A. Cook - Temecula CA, US

International Classification:

B25B 15/00
B25G 1/10

Abstract:

A driver tool for insertion and removal of a first part configured for threaded engagement in a corresponding threaded bore in a second part has a driving end portion of polygonal shape with multiple flats configured for engagement in a recess in the first part having a corresponding polygonal shape. Some or all of the flats have a respective grabbing feature or edge designed to grab or grip into the opposing surface of the recess to allow a greater amount of torque to be applied to the first part when the tool is rotated in the unthreading direction than when it is rotated in the opposite threading or insertion direction.