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US 4,989,271 AGranted
Headphone cushioning
AssigneeBose Corporation
InventorsRoman Sapiejewski, John J. Breen
Life of this patent
Estimating the term…
Abstract
An improved cushion for use on a heater has a thin front skin formed with a circumferential groove. A thin flexible ring is attached to the circumferential groove. A flexible rear skin supports a foam ring and is sealed to the front skin so as to form a gel space. Structure, such as a retaining ring and mating holes and pins, attaches the cushion to the headset.
Claims5
An improved cushion having an inner edge and an outer edge for use on a headset with earcups comprising:
- a thin flexible front skin having a circumferential groove,
- a thin flexible ring of a first width attached to said circumferential groove,
- a flexible rear skin,
- a foam ring which rests on said rear skin,
- said front skin sealed to said rear skin so as to form a sealed region of a fifth width having a gel space with said flexible ring and said foam ring between said front and rear skins to define inner and outer gel rings of a second and a third widths respectively,
- gel in said gel space, and
- structure for attaching said cushion to a headset.
4 more elements
Dependencies are inferred from the claim text.