Combustion type power tool having motor suspension arrangement

Details Combustion type power tool having motor suspension arrangement Combustion type power tool having motor suspension arrangement

2007-12-11

2007-12-11

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Free piston

Single chamber; one piston

C227S010000

Reexamination Certificate

active

11478574

ABSTRACT:
A combustion-type power tool includes a frame comprising a housing having one end, and a head portion disposed at the one end, and a piston reciprocally movably disposed in the housing. A combustion chamber is provided in the housing and has one end movable toward and away from the head portion and another end defined by the piston. A motor is provided and has a motor case disposed opposite to the combustion chamber with respect to the head portion, a buffer member is provided which supports the motor and has a part located between the motor case and the head portion.

REFERENCES:
patent: 6520397 (2003-02-01), Moeller
patent: 6619527 (2003-09-01), Moeller
patent: 2004/0050901 (2004-03-01), Turk
patent: 2004/0173657 (2004-09-01), Turk

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