Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Patent
1994-12-14
1996-05-21
Kisliuk, Bruce M.
Tools
Wrench, screwdriver, or driver therefor
Handle or shank
81490, 81439, B25B 2316, B25G 108
Patent
active
055178855
ABSTRACT:
A screwdriver with slidably stored tool head module, comprising a casing and at least one cartridge slidably received in the casing and formed with multiple chambers for containing a module of multiple tool heads. The casing has a front end for engaging with a support rod in which a tool head is exchangeably fitted, and a rear receptacle for receiving the cartridge. A pushing lever is lengthwise disposed on a lateral side of the cartridge and the casing is formed with a lengthwise guiding channel on a lateral side for receiving and lengthwise slidably guiding the pushing lever. The cartridge is easily lengthwise movable outward from the casing for selectively taking out a tool head of the module from the cartridge or placing a used tool head into the cartridge.
REFERENCES:
patent: 2749953 (1956-06-01), Rundle
patent: 3750729 (1973-08-01), Lemieux
patent: 4227430 (1980-10-01), Jansson et al.
patent: 4794692 (1989-01-01), Wang
patent: 5265504 (1993-11-01), Fruhm
Danganan Joni
Kisliuk Bruce M.
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