Robert P Simmons

US Patent:

44185588, Dec 6, 1983

Filed:

Jul 27, 1981

Appl. No.:

6/287291

Inventors:

Robert A. Simmons - Deerfield IL

Assignee:

Bantam Systems, Inc. - Chicago IL

International Classification:

B21D 3500

US Classification:

72177

Abstract:

Multi-aperture ventilated floor members, for use in a grain bin or like applications, are formed from continuous sheet metal strip stock, complete, in one pass through a cold roll forming machine, in a method in which the critical steps comprise roll-lancing the metal strip to form multiple closed slits transversely of the length of the strip and then roll corrugating the strip transversely of its length to widen the slits into narrow open ventilation slots by stretching the metal, simultaneously ironing out the projections formed when the slits are lanced into the strip.

US Patent:

43007228, Nov 17, 1981

Filed:

Jul 11, 1980

Appl. No.:

6/168755

Inventors:

Robert Simmons - Chicago IL

Assignee:

Vision Metal Fabricators Corporation - Chicago IL

International Classification:

E01B 2300

US Classification:

238 14

Abstract:

A traction mat to aid vehicle wheels for driving out of ice, snow, mud or sand and the like that is an elongated unitary stamped metal structure which is generally rectangular and having a forward inwardly tapered end portion with the mat including a plurality of upwardly extending flanges disposed at 90. degree. with respect to the planer surface and a plurality of downwardly projecting V-shaped gripping lugs. The mat outer side edges are formed with trough shaped ribs for stiffening and the upwardly extending flanges and downwardly shaped gripping lugs are provided with structurally formed ribbing to increase the rigidity for placement and use in a variety of terrains.

US Patent:

45505152, Nov 5, 1985

Filed:

Oct 31, 1983

Appl. No.:

6/546838

Inventors:

Robert N. Simmons - Chicago IL

International Classification:

G02B 2702

US Classification:

40362

Abstract:

A portable transparency viewer including a body having a fixed imaging screen with a light source disposed therebehind within the viewer body. Also held within the viewer body is a selectively energizable power source for illuminating the imaging screen. An adjustable magnifier is pivotally attached to the viewer body overlying screen in movable and parallel spaced relation thereto. For viewing slides and filmstrips, an auxiliary removable magnifier is provided which is adapted to be releasably engaged and retained on the viewer body over the viewing screen. The auxiliary magnifier includes a slide carrier for selectively introducing slides between the lens of the auxiliary magnifier and the imaging screen of the viewer body. The auxiliary magnifier further includes an inlet and an outlet positioned on opposite sides of the housing so as to permit the passage of a filmstrip therethrough.

US Patent:

44546696, Jun 19, 1984

Filed:

Nov 18, 1981

Appl. No.:

6/322646

Inventors:

Robert N. Simmons - Chicago IL

International Classification:

G02B 2704

US Classification:

40361

Abstract:

A portable, easy to use photographic viewer for use particularly by medical and dental professionals when required. The viewer is light weight and includes a light source, a photographic imaging screen, clip to retain the photographic slides or negatives in position and a support for maintaining the viewer in any desirable position.