Magnetic saw chuck

Details Magnetic saw chuck Magnetic saw chuck

1984-12-06

1986-07-08

Watts, Douglas D.

Chucks or sockets

With fluid-pressure actuator

Socket type

279 2R, B23B 534, B23B 3140

Patent

active

045989168

ABSTRACT:
An improved magnetic saw chuck includes a disc-shaped magnetic saw chuck plate, having a saw engaging surface at which a number of magnets are mounted, and a cylindrical arbor extending from the plate. A three-segment ring, mounted over the arbor adjacent the saw engaging surface, has an outer, saw eye engaging surface over which the saw is mounted. The segmented ring has a tapered inner surface which engages the tapered outer surface of a jam nut which is threaded onto the arbor. Tightening the jam nut against the segmented ring separates the segments to center the saw. The segmented ring includes an O-ring within a circular groove in the ring to keep the segments secured to the arbor when a saw is not mounted to the chuck. To prevent relative rotary motion of the ring segments, so the segments move only radially to aid centering the saw on the chuck, a guide pin is mounted to and extends from each segment and engages a complementary radial guide slot in the chuck plate.

REFERENCES:
patent: 2738980 (1956-03-01), Spahn
patent: 2775025 (1956-12-01), Williams
patent: 3320564 (1967-05-01), Sosey et al.
patent: 3360276 (1967-12-01), Peffer

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