US Patent: 3,722,102
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| Dip Stick
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Patentees:
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| Richard H. Jackson (exact or similar names) - Downers Grove, DuPage County, IL |
| Harry B. Bak (exact or similar names) - Westchester, Cook County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 24, 1971 |
| Granted: |
Mar. 27, 1973 |
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Joel Havens
"Vintage Machinery" entry for Gits Bros. Mfg. Co.
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Description: |
| Abstract:
A dip stick assembly with a tubular body having an internal ledge of a fixed position and a cup-shaped external opened end with a closure cap adapted to close the end, the closure cap having an axial groove receiving the cup-shaped opening of the tubular body, a dip stick fastened to the cap, a bayonet connection between the cap and the body allowing axial movement of the cap with respect to the body, the dip stick having a spring means around the upper portion thereof, the spring means contacting a radial projection member on the dip stick axially movable thereon, the radial projection adapted to contact the internal ledge on the body wherein the spring will force the cap away from the body to maintain the dip stick normally at a given level while depressing the cap towards the body will move the dip stick axially within the body to a measuring level, the spring cooperating with the bayonet lock to maintain the cap securely fastened to the body. |
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