Valves and valve actuation – With actuation lubricating means
Patent
1978-05-26
1981-03-03
Schwadron, Martin P.
Valves and valve actuation
With actuation lubricating means
137242, 277 19, 277 24, 152566, F16K 5100
Patent
active
042536421
ABSTRACT:
A valve stem lubricating device. The lubricating device is designed for employment for use with valve stem valves that are difficultly accessible as in the interior of the valve yoke where the stem ends are protected and access is not available to the interior portion of the valve. The device is comprised of two hinged half sections or circular portions provided with lubricating material such that when the hinged sections are closed around the valve stem the lubricating material contacts the valve stem. The half sections are provided with an arcuate cut-out portion adapted to contact opposed vertical rod-like members of the valve yoke so that the cut-out portion can fit therearound. A friction fit can be made whereby the cut-out portion fits snuggly around the opposite support members forming the valve yoke. In a modification the lubricating device is provided with a super structure comprising two hinged half members which support inwardly extending wire bristles. When the device is closed together the wire bristles form a ring to contact threaded portions of the valve stem as it is operated to clean threads or the like of the valve stem and remove debris therefrom.
REFERENCES:
patent: 838650 (1906-12-01), Rudd
patent: 876601 (1908-01-01), Slaydon
patent: 989641 (1911-04-01), Ragsdale
patent: 1258692 (1918-03-01), Lowden
patent: 1530812 (1925-03-01), Clegg
patent: 1670241 (1928-05-01), Conner
patent: 1748899 (1930-02-01), Pilla
patent: 3278190 (1966-11-01), Wood et al.
Chambers A. Michael
Robbins Glenn K.
Schwadron Martin P.
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