Combustion-type power tool having gas canister cooling...

Details Combustion-type power tool having gas canister cooling... Combustion-type power tool having gas canister cooling...

2006-11-07

2006-11-07

Cronln, Stephen K. (Department: 3747)

Internal-combustion engines

Free piston

Single chamber; one piston

C123S0460SC

Reexamination Certificate

active

07131404

ABSTRACT:
A combustion-type power tool having a cooling arrangement for cooling a gas canister. The tool includes a housing having a gas canister accommodating section in which a gas canister is accommodated. An air passage is defined between the gas canister accommodating section and the gas canister accommodated therein. The gas canister accommodating section is formed with an air inlet port in communication with the air passage for introducing air into the air passage. Since air flows along the gas canister, the gas canister can be cooled. If the tool is provided with a fan, the rotation of the fan causes air suction passing through the air passage.

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