US Patent: 2,225,952
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| Control Mechanism
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Patentee:
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| Harry C. Clay (exact or similar names) - Columbus, Bartholomew County, IN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 08, 1935 |
| Granted: |
Dec. 24, 1940 |
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Joel Havens
"Vintage Machinery" entry for Reeves Pulley Co.
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Description: |
| Abstract:
The present invention relates to a hydraulic motor mechanism and controlling means there- for, and the primary object of the invention is to provide a mechanism delicately and instantaneously responsive to movements of the controlling means.
Claim:
In combination, a cylinder, a piston in said cylinder, a head for one end of said cylinder, a stem on said piston and projecting through and beyond said head, a head for the opposite end of said cylinder and formed to provide a stationary elongated chamber outside said cylinder, said piston being provided with a socket, ports opening from said socket into said cylinder on opposite sides of said piston, a valve mounted for reciprocation in said chamber and extending into cooperation with said socket ports to control the same, the body of said valve closing direct communication between said chamber and said cylinder, a source of fluid under pressure, rigid conduit means connecting said source with said chamber and two independent passages in said valve, one of said passages providing communication between said chamber and certain of said socket ports, and the other of said passages providing communication between certain of said socket ports and a reservoir. |
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