Inventor: Shu Chi Chiang

Address: No. 33-12, Lane 320, Sec. 1, Sa Tien Road, Da Du Hsiang, Taichung Hsien, TW
No. of patents: 4
Last patent issue date: 06/26/2001

Number	Title	Issue Date
6250183	Ratchet tool having various tool members A ratchet tool includes a cartridge having one end engaged in a handle and having an orifice for rotatably receiving a gear of a sleeve. One or more tool members may be engaged in the sleeve for driving various kinds of fasteners. A ratchet device is enga...	06/26/2001
6227077	Ratchet mechanism for tool A ratchet tool includes a cartridge secured to a handle and having an orifice for rotatably receiving a gear of a driving stem. The cartridge includes two apertures for slidably receiving two pins. The pins each includes one or more teeth formed in one or...	05/08/2001
6148696	Ratchet screw driver A ratchet screw driver includes a barrel having a stud en gaged into a handle and having a pair of opposite passages for slidably receiving a pair of pawls. A gear is rotatably received in the barrel and has an aperture for receiving various kinds of driv...	11/21/2000
5996452	Chuck device for power tool A chuck device for a power tool includes a follower rotatably and slidably received in a tube and coupled to and driven by a power tool and having a hole for receiving a driving stem. One or more balls are slidably received in the follower and may be forc...	12/07/1999

PatentStorm