Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-12-17
1977-04-26
Smith, Al Lawrence
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51215AR, 51215CP, B24B 504, B24B 4100
Patent
active
040192830
ABSTRACT:
An improved grinding machine loader assembly includes a rotatable wheel upon which a plurality of workpiece supports are mounted at equally spaced apart locations. After a latch member has been moved into engagement with the wheel and a locking member has been disengaged from the wheel, an index motor is operated through a loading stroke to pivot an index arm on which the latch member is disposed. This pivotal movement of the index arm and latch member rotates the wheel through an arcuate distance equal to the distance between the workpiece supports. As the wheel rotates, a workpiece on one of the supports is moved into a work area where it is engaged by the headstock and footstock of the grinding machine. The locking member is then moved back into engagement with the wheel and the latch member is disengaged from the wheel. After the latch member has been disengaged, the index motor is operated through a return stroke without moving the wheel. If during a loading cycle an empty workpiece support is moved into the work area, the loading cycle is automatically repeated to move the next succeeding workpiece support into the work area. The finished workpieces are discharged through a chute and a detector is provided to interrupt operation of the loading assembly if the chute should become full of finished workpieces.
REFERENCES:
patent: 1820735 (1931-08-01), Fraser
patent: 2156453 (1939-05-01), Hamilton
patent: 2517193 (1950-08-01), Fraser
patent: 2805524 (1957-09-01), Silven
patent: 3073074 (1963-01-01), Price
patent: 3425169 (1969-02-01), Dunn
patent: 3553907 (1971-01-01), Price
Godici Nicholas P.
Smith Al Lawrence
The Warner & Swasey Company
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