Grinding machine for watertight hatch lugs

Details Grinding machine for watertight hatch lugs Grinding machine for watertight hatch lugs

1984-02-09

1985-08-13

Parker, Roscoe V.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

B24B 1900

Patent

active

045341354

ABSTRACT:
A machine is provided for in-situ grinding of tapered lugs on a hatch, such s a hatch aboard a submarine. A base is provided and a device is attached to alternate lugs of the hatch for mounting the base across the hatch opening. An elongated plate is mounted at its center to the base for pivotal movement thereon. The pivotal plate has opposite ends wherein each end is extendable between a pair of alternate lugs, one of the lugs between one of the pair of lugs being a lug to be ground. A device is mounted on the base for oscillating the pivotal plate back and forth between the lugs of each pair of alternate lugs. A grinder is provided, and a device is utilized for mounting the grinder at one end of the pivotal plate for selectively engaging the grinder with or backing the grinder away from the lug to be ground. With this arrangement a lug can be ground by oscillating the pivotal plate and engaging the grinding means with the lug.

REFERENCES:
patent: 2297074 (1942-09-01), Rohrdanz
patent: 2736995 (1953-09-01), Richey
patent: 4069624 (1978-01-01), Henry
patent: 4361061 (1982-11-01), Pullen
patent: 4388782 (1983-06-01), Rodgers

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