Hand-controlled circular saw

Cutting – Rotatable disc tool pair or tool and carrier – With means to support work relative to tool

Reexamination Certificate

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Details

C083S471300, C083S472000, C083S485000

Reexamination Certificate

active

07059228

ABSTRACT:
A circular saw includes a universal arm mounted to a rear end of a base member of the circular saw. A housing with a saw blade is pivotally connected to the universal arm. A drive device is longitudinally mounted to the housing for driving the saw blade and includes a casing secured on the housing. A motor is securely received in the casing and radially corresponding to the saw blade along a moving direction of the saw blade. A worm is longitudinally secured on a free end of the shaft extending from the motor. A worm gear is laterally rotatably mounted to the casing and engaged to the worm. An endless belt is mounted and surrounding a first belt wheel extending from the saw blade and the second belt wheel extending from the worm gear for driving the saw blade when the motor is operated.

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