| US Patent: 849,530 
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| Pump | 
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| Patentee: |  |
 | Harry C. Clay (exact or similar names) - Columbus, Bartholomew County, IN |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Oct. 23, 1905 |  
| Granted: | Apr. 09, 1907 |  USPTO (New site tip)
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                        Joel Havens
 "Vintage Machinery" entry for Reeves & Co.
 
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| Description: |  | This patent was improved by patent #901,070.
Abstract: 
The object of my invention is to produce a simple easily-manufactured pump especially designed for pumping lubricating-oil in small regulated quantities from a reservoir to a part, to be lubricated. 
Claim: 
The combination, with a suitable reservoir, of a cylinder formed integral therewith within the reservoir and having eduction and induction ports communicating with the bore thereof, a piston rotatably and axially reciprocal within the cylinder and having a passage formed therein communicating with the cylinder at the end of the piston and adapted to be brought into registry with the. induction and eduction ports successively, a spring for normally urging the piston in one direction, a shaft, a cam carried by said shaft and adapted to drive the piston axially in opposition to the spring, and a pair of meshing gears carried by the shaft and piston. |  |