Brushing – scrubbing – and general cleaning – Implements – Scrapers
Patent
1990-11-28
1992-05-05
Coe, Philip R.
Brushing, scrubbing, and general cleaning
Implements
Scrapers
15104011, 1510404, 29 8111, 30172, A47L 2500
Patent
active
051095645
ABSTRACT:
The invention is directed to a apparatus that facilitates the removal of excess combustion deposits from combustion chamber valves of conventional internal combustion engines. The apparatus has a handle at one end of a hollow cylinder and a plurality of resilient blades coupled to the opposite end. The device is placed over the valve stem of a valve to be cleaned and when a force is applied to the handle, the blades scrape the angular surface of the valve neck clean with the blades following the contour of the valve neck portion. When the force is removed from the handle the blades return to their original position.
REFERENCES:
patent: 1774567 (1930-09-01), Raphael
patent: 2204516 (1940-06-01), Stone
patent: 2593799 (1952-04-01), Russell
patent: 2748410 (1956-06-01), Chapman
patent: 3023754 (1962-03-01), Cuchiara
Coe Philip R.
Spisich Mark
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