David W Dennis

US Patent:

51485826, Sep 22, 1992

Filed:

Aug 8, 1991

Appl. No.:

7/741913

Inventors:

David B. Dennis - San Diego CA

International Classification:

A44B 1125

US Classification:

24625

Abstract:

A quick release strap system comprising, a molded plastic quick release male or female buckle component, a base and a conical aperture in the base coaxial with the center line, and an annular bearing shoulder formed interiorly of the base and coaxial with the conical aperture. The conical aperture receives a swivel connector having at least a pair of spring cam surface fingers adapted to be cammed toward one another by the conical aperture and a bearing ledge formed on the spring cam fingers contiguous to the cam surfaces and engagable with the annular shoulder bearing surface after the spring cam surfaces have passed the conical aperture. A strap having a pair of ends and means securing said one end of said pair of ends to said swivel connector opposite said spring cam finger.

US Patent:

20120192337, Aug 2, 2012

Filed:

Nov 21, 2011

Appl. No.:

13/301470

Inventors:

John Divine - Martinez CA, US
Scott Alford - Martinez CA, US
David Dennis - St. Helens OR, US

Assignee:

Guardian Protective Technologies Inc. - Walnut Creek CA

International Classification:

A42B 3/12

US Classification:

2414

Abstract:

Helmets and pad kits for use in helmet shells are provided. The pad kits, when inserted or attached to the inner surface of a helmet shell, provide a user or wearer with enhance blunt force protection relative to padding in prior helmet systems. Pad kits include pads having one or more layers of differing material, typically two or more layers of material; one layer including a rate sensitive, impact absorbing material, and another layer including a comfort or form-fitting material. The impact absorbing material provides enhanced protection to the user's head from impact to the helmet shell.