Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB30766/32A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chicago Pneumatic Tool Co LLC
Original Assignee
Chicago Pneumatic Tool Co LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chicago Pneumatic Tool Co LLCfiledCriticalChicago Pneumatic Tool Co LLC
Publication of GB393184ApublicationCriticalpatent/GB393184A/en
B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
393,184. Cooling motors. CHICAGO PNEUMATIC TOOL CO., 6, East 44th Street, New York, U.S.A.-(Assignees of Coates, C. B. ; 1241, East 49th Street, Cleveland, Ohio, U.S.A.) Nov. 1, 1932, No. 30766. Convention date, Dec. 3, 1931. [Class 35.] For cooling an electric motor driving a pulley 8 the spokes of the pulley are formed as fan blades, and the casing of the motor is provided with slots 13a through which air is drawn by the blades.
GB30766/32A1931-12-031932-11-01Improvements in or relating to grinding or polishing machines
ExpiredGB393184A
(en)