| 摘要 |
A combustion chamber assembly (10) for use in a combustion-powered fastener driving tool, includes a cylinder body (18), a reciprocating probe assembly (26) slidably mounted to said cylinder body (18) between a first, extended position and a second, retracted position, and at least one shock-absorbing member (56) operationally associated with at least one of the cylinder body (18) and the probe assembly (26) for reducing shock load generated during operation of the tool. In another embodiment, a single spring (74) disposed between the probe assembly (26) and the cylinder body (18) is configured for biasing the probe assembly (26) into the first position.
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