Jack E Gieck

Author:

Jack Gieck

ISBN #:

0768004543

Author:

Jack Gieck

ISBN #:

0786015780

Author:

Jack Gieck

ISBN #:

0873383532

US Patent:

39892921, Nov 2, 1976

Filed:

Feb 25, 1975

Appl. No.:

5/552932

Inventors:

Thomas A. Bank - Carmel IN
Jack E. Gieck - Akron OH
David A. Weitzenhof - Akron OH

Assignee:

The Firestone Tire & Rubber Company - Akron OH

International Classification:

B60R 1910

US Classification:

293 71P

Abstract:

Disclosed is a semi-pneumatic energy absorbing bumper system for interposition between two objects at least one of which is movable including module means having an impacting face and upper, lower and side walls terminating in a continuous bead, support means for mounting said module means to at least one of said objects, a plurality of reinforcing ribs connecting only the impacting face to the upper and lower side walls, means for holding the module means against the support means to form a cavity therebetween closed to the atmosphere, and means for permitting selective communication between the cavity and the atmosphere upon the application of an external force of predetermined magnitude to the module means.

US Patent:

41039513, Aug 1, 1978

Filed:

Jun 6, 1977

Appl. No.:

5/803826

Inventors:

Thomas A. Bank - Carmel IN
Jack E. Gieck - Akron OH
David A. Weitzenhof - Akron OH

Assignee:

The Firestone Tire & Rubber Company - Akron OH

International Classification:

B60R 1900

US Classification:

293 71P

Abstract:

Disclosed is a semi-pneumatic energy absorbing bumper system for interposition between two objects at least one of which is movable including one or more modules each having an impacting face and upper, lower and side walls terminating in a bead, partially continuous along the rear perimeter of the module, support structure for mounting the module to at least one of the objects, a plurality of reinforcing ribs connecting only the impacting face to the upper and lower side walls, bead clamps for holding the module against the support structure to form a cavity therebetween closed to the atmosphere, and a valve and a space formed between at least one of the walls and the closure plate for permitting communication between the cavity and the atmosphere upon the application of an external force of predetermined magnitude to the module.