US Patent: 993,292
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| Oil Pump
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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. 28, 1911 |
| Granted: |
May 23, 1911 |
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Joel Havens
"Vintage Machinery" entry for Reeves & Co.
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Description: |
| Abstract:
The object of my invention is to provide an apparatus by means of which a lubricant may be delivered in successive measured quantities, the invention relating particularly to the mechanism for arresting the movement of the ejecting plunger without interfering with the continued movement of the operating member.
Claim:
The combination of a cylinder, a plunger reciprocally mounted therein, a threaded stem connected with said plunger and independently rotatable, an axially fixed rotatable nut receiving said threaded stem, means by which said nut may be rotated, a radial finger carried by said stem, and a stop plate lying alongside said stem and arranged to receive said radial finger to prevent rotation of the same in one direction, and means by which said stem may be reversely rotated through its driving nut. |
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