Title:
Protective device for grinding machines
Document Type and Number:
United States Patent 3247623

Inventors:
Anderson, Robert W.
Publication Date:
04/26/1966
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Referenced by:
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Assignee:
NORTON CO
Primary Class:
451/340
Other Classes:
188/376, 451/452, 188/377
International Classes:
B23Q5/40; B23Q5/58; B24B47/26; B24B55/00; B23Q5/00; B23Q5/22; B24B47/00
US Patent References:
1549665Diaphragm manhole for tanks
1970718Frangible rod and disk type safety valve
2291360Pressure relief device
2665128Tension relief device for cables
2802580Car couplers
2966200Shock absorbent fitting
2968458Shock resistant foundation
3081725Press
3129537Protective device for grinding machines
3129538Protective device for grinding machines


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