Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1977-05-10
1978-10-10
Whitehead, Harold D.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
82 28R, B24B 4104
Patent
active
041188993
ABSTRACT:
A head stock for a grinding machine for dead and live center drives. For dead center drive, one end of an engaging member, which is radially slidably received in a flange portion of a spindle, is engaged with an engaging member secured to a housing, while the other end thereof is free from interference with a face plate secured to a pulley. For live center drive, one end of the engaging member is disengaged from the engaging member, while the other end thereof is engaged with the face plate to rotate therewith. For a chucking operation, another face plate is secured to the spindle and is selectively engaged with the pulley, with the one end of the engaging member being disengaged from the engaging member.
REFERENCES:
patent: 1428190 (1922-09-01), Stoner
patent: 2113362 (1938-04-01), Amidon
patent: 2419622 (1947-04-01), Anderson
Toyoda-Koki Kabushiki-Kaisha
Whitehead Harold D.
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