Other

The Machlett Laboratories, Incorporated

Leonard F Peyser

Roger L Hibbert

An improved light weight crampon for ready attachment to shoes and boots as an ice creeper or the like having rugged construction and versatility of adjustment.

Multi-purpose crampon

A bead chain sprocket is formed from a predetermined length of arcuately pocketed flexible plastic cog-like strip wherein the strip is received and affixed within the smooth peripheral groove of a flanged pulley, thereby to provide a simple, reliable and versatile mode of fabrication of such sprockets.

Bead chain sprocket construction

An X-ray cassette holder having adjustable track means for slidably receiving a film cassette and positioning it longitudinally, the holder also including automatic clamping means locked in the open position and actuated by insertion of the cassette to close on opposing sides thereof for centering the cassette transversely in the holder.

X-ray cassette holder

A radiation limiting shutter device including a hollow, frusto-pyramidal structure having relatively movable walls made of radiation absorbent material and defining an entrance aperture of a desired size, each of the walls comprising a frusto-triangular plate having serrated sloped edges which intermesh with similar sloped edges of respective adjacent plates forming the structure.

Growing community of inventors

Briarcliff Manor, NY, United States of America

Leonard F Peyser