Grinder for glass plates or the like

Details Grinder for glass plates or the like Grinder for glass plates or the like

1976-09-27

1977-12-06

Jones, Jr., James L.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51215H, 271267, B24B 910

Patent

active

040609375

ABSTRACT:
An automatic grinding machine is disclosed for finishing the edges of rectangular articles such as the glass plates used in welder's helmets. The machine includes an inclined channel to receive a supply of plates provided with an escapement mechanism at its lower end which operates to release a single glass plate during each machine cycle. The plates are pushed by a linear actuator along first track. Grinding wheels located along the first track grind opposed edges of the plates as they move along such track. A second track intersects the first track at right angles and a second linear actuator pushes single glass plates into the second track after they are delivered to the entrance end of the second track from the first track. As the plates move along the second track the other opposed edges are finished by a pair of grinding wheels.

REFERENCES:
patent: 732767 (1903-07-01), Metzner
patent: 1857832 (1932-05-01), Bailey
patent: 1933640 (1933-11-01), Schafer
patent: 2194757 (1940-03-01), Klaas
patent: 2593606 (1952-04-01), Price
patent: 2671992 (1954-03-01), Reaser
patent: 3805455 (1974-04-01), Aellig

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