Back to results
US 6,629,579 B1Granted
Headphones/earmuffs
AssigneeTWD-Acoustic Products Ltd.
InventorHiroshi Hasegawa
Life of this patent
Estimating the term…
Abstract
A headphone/earmuff includes a headband, a pair of ear cups and associated positioning devices attaching each ear cup to the headband. Each ear cup positioning device has a cylinder attached to either the ear cup or the headband, and a piston received slidably within the cylinder and attached to the other of the headband or the ear cup.
Claims3
A headphone/earmuff comprising:
- a headband,
- two ear cups,
- a speaker within each ear cup,
- an ear cup positioning device attaching one of the ear cups to the headband, the ear cup positioning device comprising a cylinder including a piston received slidably within the cylinder, the piston extending to form a leg attached to the ear cup, the cylinder being attached via a hinge to a housing, wherein the housing is attached to the headband,
- a wire extending along the headband from one speaker within one ear cup to the other speaker within the other ear cup, the other ear cup including the leg attached thereto, wherein the wire extends through the leg and into the cylinder of the ear cup positioning device to exit the housing via the hinge, and the wire folds within the cylinder as the piston is moved in the cylinder.
2 more elements
Dependencies are inferred from the claim text.