US Patent: 1,425,631
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| Valve Gear 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: |
Jan. 27, 1919 |
| Granted: |
Aug. 15, 1922 |
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Joel Havens
"Vintage Machinery" entry for Emerson-Brantingham Co.
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Description: |
| Abstract:
The reversing gear disclosed herein is of that type which insures that the amount of lead shall be uniform for all points of cut-off in either direction of motion so. that the points of cut-off within the working range will bear the same relation to the stroke of the piston at both ends irrespective of whether the crank shaft is being driven by the piston over or under; Such a valve gear mechanism is disclosed in my prior Patent No. 673,859, granted May 14, 1901, and my present invention pertains more particularly to the means by which the valve gear mechanism is actuated and controlled and by which the speed of the engine is also regulated and controlled through the throttle valve.
One of the primary objects of this invention is the provision of simple and efficient means by which the speed of the engine, its direction of travel and the point of cut-off may all be regulated and controlled to a line degree of nicety from a single controlling lever so that the operator may at all times have the engine under perfect control and may quickly and easily change thew-peed, direction of travel or point oi cut-oil with one hand by the manipulating the single controlling lever. |
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