Chuck for vertically hung specimen holder

Details Chuck for vertically hung specimen holder Chuck for vertically hung specimen holder

1982-11-08

1984-07-17

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

511311, 511313, 403348, B25B 500

Patent

active

044597851

ABSTRACT:
A chuck for suspending a specimen holder from a vertical drive shaft to permit the specimen holder to be rotated about the axis of the drive shaft and also pressed downwardly against an abrasive platen or the like which may also be rotated in the same or opposite direction, the chuck being biased to its locking position by a spring and being releasable through manual rotation of a sleeve member to overcome the spring force.

REFERENCES:
patent: 1429861 (1922-09-01), Flodin
patent: 1972086 (1934-09-01), Buckley
patent: 3663028 (1972-05-01), King, Jr. et al.
patent: 3880546 (1975-04-01), Segal
patent: 4020600 (1977-05-01), Day

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