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Tzu Wei Shzu

from Plano, TX
Age ~70

Tzu Shzu Phones & Addresses

  • 3213 Cornflower Dr, Plano, TX 75075 (972) 423-3736
  • Dallas, TX
  • Colton, TX

Publications

Us Patents

Reversible Ratcheting Tool With Improved Control Member

US Patent:
6988429, Jan 24, 2006
Filed:
Jan 6, 2004
Appl. No.:
10/752138
Inventors:
Pei Y. Lee - Garland TX, US
Tzu S. Shzu - Garland TX, US
Robert L. Arnold - Wrightsville PA, US
Assignee:
Easco Hand Tools, Inc. - Simsbury CT
International Classification:
B25B 13/46
US Classification:
81 632, 81 60
Abstract:
A ratcheting tool includes a body and a gear disposed in the body. The gear defines a plurality of teeth on a circumference of the gear. A pawl is disposed in the body so that the pawl is movable with respect to the gear between a first position, in which the body transmits torque through the pawl in a first rotational direction, and a second position, in which the body transmits torque through the pawl in an opposite rotational direction. The pawl defines a plurality of teeth facing the gear and engages a reversing lever that urges the pawl between the first and second positions. The reversing lever comprises a handle portion and bottom portion that receives a clip spring. The detent urges the pawl between the first and second position by engaging the walls of a recess in the back of the pawl.

Reversible Ratcheting Tool With Improved Control Member

US Patent:
20050155464, Jul 21, 2005
Filed:
Jan 19, 2005
Appl. No.:
11/038651
Inventors:
Pei Lee - Garland TX, US
Tzu Shzu - Garland TX, US
Robert Arnold - Wrightsville PA, US
International Classification:
B25B013/46
US Classification:
081063200
Abstract:
A ratcheting tool includes a body and a gear disposed in the body. The gear defines a plurality of teeth on a circumference of the gear. A pawl is disposed in the body so that the pawl is movable with respect to the gear between a first position, in which the body transmits torque through the pawl in a first rotational direction, and a second position, in which the body transmits torque through the pawl in an opposite rotational direction. The pawl defines a plurality of teeth facing the gear and engages a reversing lever that urges the pawl between the first and second positions. The reversing lever comprises a handle portion and bottom portion that receives a clip spring. The detent urges the pawl between the first and second position by engaging the walls of a recess in the back of the pawl.

Reversible Ratcheting Tool With Improved Control Member

US Patent:
20050155465, Jul 21, 2005
Filed:
Jan 19, 2005
Appl. No.:
11/039208
Inventors:
Pei Lee - Garland TX, US
Tzu Shzu - Garland TX, US
Robert Arnold - Wrightsville PA, US
International Classification:
B25B013/46
US Classification:
081063200
Abstract:
A ratcheting tool includes a body and a gear disposed in the body. The gear defines a plurality of teeth on a circumference of the gear. A pawl is disposed in the body so that the pawl is movable with respect to the gear between a first position, in which the body transmits torque through the pawl in a first rotational direction, and a second position, in which the body transmits torque through the pawl in an opposite rotational direction. The pawl defines a plurality of teeth facing the gear and engages a reversing lever that urges the pawl between the first and second positions. The reversing lever comprises a handle portion and bottom portion that receives a clip spring. The detent urges the pawl between the first and second position by engaging the walls of a recess in the back of the pawl.
Tzu Wei Shzu from Plano, TX, age ~70 Get Report