Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1988-02-24
1989-03-14
Parker, Roscoe V.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
B24B 4100
Patent
active
048115258
ABSTRACT:
A supporting member is vertically slidably mounted on a grinding head body which is vertically slidably mounted on a cross rail of a grinding machine. A jaw is provided on the supporting member at an end thereof. A grinding-wheel spindle assembly includes a center shaft one end of which is secured to the grinding head body and the other end is supported between the jaw and an end of the supporting member, and a sleeve rotatably mounted on the center shaft. A grinding wheel is secured to the sleeve. In order to permit replacement of the grinding wheel, the jaw is opened and the supporting member is retracted from an operating position where the center shaft is supported by the jaw to a retracted position apart from the center shaft.
REFERENCES:
patent: 2457468 (1948-12-01), Hercik
patent: 3247621 (1966-04-01), Aller
patent: 3673743 (1972-07-01), Giardini et al.
patent: 3736705 (1973-06-01), Ryan et al.
Itoh Masaya
Kimura Soosaku
Okabe Takeshi
Citizen Watch Co. Ltd.
Parker Roscoe V.
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