Internal-combustion engines – Free piston – Single chamber; one piston
Reexamination Certificate
2006-07-11
2006-07-11
Kamen, Noah P. (Department: 3747)
Internal-combustion engines
Free piston
Single chamber; one piston
C227S010000
Reexamination Certificate
active
07073468
ABSTRACT:
A combustion type power tool having a motor suspension arrangement capable of buffering a shock applied to a motor. An integral buffer member made from an elastic material is fixed to a head cap. The buffer member includes a motor storage section in which a motor casing is stored, and a plurality of buffer segments extending radially outwardly from the motor storage section and integrally therewith. Each radially outer end portion of each buffer segment is fixed to the head cap for floatingly supporting the motor storage section.
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
Akiba Yoshitaka
Fujisawa Haruhisa
Antonelli, Terry Stout and Kraus, LLP.
Hitachi Koki Co,. Ltd.
Kamen Noah P.
LandOfFree
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