Brakes – With condition indicator – Electrical
Patent
1979-08-29
1980-12-30
Halvosa, George E. A.
Brakes
With condition indicator
Electrical
206521, 206592, 248548, 410 49, F16D 6300
Patent
active
042418100
ABSTRACT:
This invention is a comparatively inexpensive but efficient shock-absorbing device having special application to the protection of shipping and storage cylinders. In a typical application, two of the devices are strapped to a cylinder to serve as saddle-type supports for the cylinder during storage and to protect the cylinder in the event it is dropped during lifting or lowering operations.
In its preferred form, the invention includes a hardwood plank whose grain runs in the longitudinal direction. The basal portion of the plank is of solid cross-section, whereas the upper face of the plank is cut away to form a concave surface fittable against the sidewall of a storage cylinder. The concave surface is divided into a series of segments by transversely extending, throughgoing relief slots. A layer of elastomeric material is positioned on the concave face, the elastomer being extrudable into slots when pressed against the segments by a preselected pressure characteristic of a high-energy impact. The compressive, tensile, and shear properties of the hardwood and the elastomer are utilized in combination to provide a surprisingly high energy-absorption capability.
REFERENCES:
patent: 2732040 (1956-01-01), DeVost
patent: 2851235 (1958-09-01), Henig
patent: 3078971 (1963-02-01), Wallerstein, Jr.
patent: 3362666 (1968-01-01), O'Donnell
patent: 3829148 (1974-08-01), Stoneburner
patent: 3908951 (1975-09-01), Goben
patent: 4029178 (1977-06-01), Tschift
patent: 4058188 (1977-11-01), Urillon
patent: 4138093 (1979-02-01), Meinzer
Denny James E.
Halvosa George E. A.
Hamel Stephen D.
Lewis Fred O.
The United States of America as represented by the United States
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