Grinding head for carrying a replaceable abrasive sheet

Details Grinding head for carrying a replaceable abrasive sheet Grinding head for carrying a replaceable abrasive sheet

1976-03-22

1978-01-24

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

B24D 908

Patent

active

040696251

ABSTRACT:
In a grinding head for carrying replaceably an abrasive sheet and for detachable and driving connection to a portable rotary power unit, the abrasive sheet is applied to the outer face of a circular dished support member having an outer convex face and an inner concave face, from which latter a screw-threaded shank projects, and overlapping marginal edge portions of the sheet are clamped between the support member and a correspondingly shaped clamping member on the shank, the clamping member being of smaller diameter than the support member, and having its concave face facing the concave face of the support member.

REFERENCES:
patent: 238201 (1881-03-01), Andrew
patent: 1227622 (1917-05-01), Hope
patent: 1966521 (1934-07-01), Ricks
patent: 2014069 (1935-09-01), Jones
patent: 2453222 (1948-11-01), Hammontree
patent: 3229428 (1966-01-01), Sargolini

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