US Patent: 335,578
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| Valve Gear For Engines
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Patentee:
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| John Grime (exact or similar names) - Minneapolis, Hennepin County, MN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 12, 1885 |
| Granted: |
Feb. 09, 1886 |
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Joel Havens
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Description: |
| Abstract:
My invention relates to valve-gear for locomotive-engines and its objects are, first, the providing of devices for operating the valves by means of eccentrics on the axle of the driver; second, the construction and arrangement of mechanism for producing equal port- openings and admitting equal volumes of steam for both forward and backward throws of the valves and, third, the construction of devices for adapting to a locomotive the class of valve-gear described in the patent granted to L. C. Lugmayr and myself October 28, 1884, No. 307,128.
Claim:
In a valve-gear, the combination, with the driver-axle of a locomotive, of an eccentric on said axle, a standard boxed to said axle, a rockshaft supported by said standard and carrying a guide, a slide-block operated in said guide by said eccentric, and guides for said standard supported independently of said axle, for permitting up and down movement corresponding with said axle and preventing lateral movement of said standard. |
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