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6557649 |
Pneumatic tool structure
A pneumatic tool structure including a main body integrally having an elbow. A pneumatic motor, a switch unit and an intake unit are disposed in the main body. A driving unit is disposed in the...
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6199656 |
Casing for noise attenuation in a rock drilling rig
A rock drilling rig includes a movable carrier with a boom attached to it and movable in various ways. The free end of the boom is provided with drilling equipment. The drilling equipment is...
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6196331 |
Air supply and exhaust system for pneumatic tool
An air supply and exhaust system comprising a pneumatic tool, an air supply source, an exhaust apparatus, and at least one double-pipeline air hose. The exhaust apparatus includes a filter through...
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6062323 |
Pneumatic tool with increased power capability
A pneumatic tool includes a housing defining an air inlet and first and second exhaust passages and an air motor fluidly coupled to the air inlet and disposed in the housing. The motor produces...
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5992540 |
Air ratchet hand tool with thermoplastic jacket
An air ratchet hand tool has an elongated, generally cylindrical handle portion with an axial air inlet passage therethrough, and having an outer surface with two longitudinally extending channels...
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5755294 |
Abrasion-resistant hydraulic hammer with low noise level
There is provided an improved abrasion-resistant hydraulic hammer with a low noise level for preventing the leak-out of the noise made inside. The object is to provide an abrasion-resistant...
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5591070 |
Air tool with exhaust diverting valve
A pneumatic tool (10) is described for diverting exhaust air from an air motor (18) between a rearward opening (22), a forward opening (24), or both, without requiring any disassembly. An exhaust...
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5309714 |
Ratchet tool with exhaust chamber manifold with sound dampening properties
The tool includes a housing having two substantially semi-cylindrical members. An air motor in the housing has motor end members located adjacent each end thereof. Two O-rings, respectively...
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4673042 |
Pneumatic hammer
A pneumatic hammer includes a cylinder tube, a piston received in the cylinder tube for reciprocation therein; a device for alternatingly introducing pressurized air into first and second cylinder...
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4404799 |
Pneumatic tool with muffler
A pneumatic power tool having a torque sensing control system is disclosed which is capable of consistently applying a precise torque to a fastener so that uniform tightening of any number of...
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3963391 |
Method and apparatus for controlling speed and torque of hand held air driven vane type motors
A method and apparatus for controlling speed and torque of hand held air driven vane type motors is available in several embodiments. For example, one embodiment is used in tool and die work and...
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3880245 |
Exhaust noise attenuating system with muffler for pneumatic tools
A pneumatic tool having incorporated therein a system including an arrangement of passages together with an expansion chamber, a sound resonator chamber, and a plug type screen muffler having...
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3129642 |
Pneumatically operated tool
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3101014 |
Ultra-high-speed pneumatically driven machine tools, such as drills and the like
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3019673 |
Portable power tools
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2950775 |
Exhaust noise reducing and air diffusing means for pneumatic motors
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