发明名称 |
Fastener driving tool |
摘要 |
A fastener driving tool includes a housing defining a handle portion and a head portion with a nose portion extending therebelow. Mounted within the head portion is a cylindrical sleeve within which is reciprocally mounted a drive piston. A driver for driving fasteners is secured to the drive piston and reciprocates therewith. The tool includes a drive power control for controlling the penetration of the fasteners into a workpiece. The drive power control includes a choke encircling the sleeve to impede the flow of exhaust air from beneath the piston and under the sleeve during a driving stroke. The choke may be moved to a position spaced from the cylindrical sleeve wherein the flow of fluid below the piston is not inhibited. In addition, the tool includes a safety member with a workpiece engaging portion of at least one wear block secured thereto to engage the workpiece and protect the safety member from undue wear.
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申请公布号 |
US4523646(A) |
申请公布日期 |
1985.06.18 |
申请号 |
US19830516194 |
申请日期 |
1983.07.22 |
申请人 |
DUO-FAST CORPORATION |
发明人 |
DOYLE, RICHARD H.;FIORI, LEE B. |
分类号 |
B25C1/00;B25C1/04;(IPC1-7):B25C5/13 |
主分类号 |
B25C1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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