| 摘要 |
A pneumatic nailer for use with a high pressure fluid source is disclosed. The pneumatic nailer includes a housing defining a storage chamber positionable in fluid communication with the high pressure fluid source, a cylinder positioned within said housing, a piston having a piston head, said piston head being movable within said cylinder, said cylinder and said piston head defining a return chamber on side of said piston head, a sleeve movable with respect to said cylinder between a first sleeve position and a second sleeve position, said sleeve and said cylinder defining a sleeve space therebetween, wherein, when said sleeve is positioned in said first sleeve position, said sleeve space is isolated from fluid communication with said return chamber, and wherein, when said sleeve is positioned in said second sleeve position, said sleeve space is positioned in fluid communication with said return chamber.
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