TOZO YAMAMOTO
Engineers in Hamilton, OH
License number
Pennsylvania PE071270
Category
Engineers
Type
Professional Engineer
Address
Address
2
Hamilton, OH 45069
Pennsylvania
Pennsylvania
Personal information
See more information about TOZO YAMAMOTO at radaris.comName
Address
Phone
6151 Beckett Station Ct, West Chester, OH 45069
West Chester, OH
6151 Beckett Station Ct, West Chester, OH 45069
6151 Beckett Station, Winchester, OH 45069
Professional information
Screwdriver For Self-Drilling Screw
US Patent:
6267026, Jul 31, 2001
Filed:
Feb 25, 1999
Appl. No.:
9/257394
Inventors:
Tozo Yamamoto - West Chester OH
International Classification:
B25B 2100
US Classification:
81 54
Abstract:
A hand-held power screwdriver with a clamping device is disclosed. The screwdriver includes a body, a screwing arm, a clamping arm, and a clamping device. The body is similar to an ordinary hand drill. A torque shaft, a part of the screwing arm, is connected to the body at one end, and it has a socket for a self-drilling screw at the other end. The clamping arm is movably connected to the body, and it has a clamping head at one end. The clamping device will clamp two or more members between the screw and the clamping head during the screw driving process.