Spring device for earcup assemblies of protective helmet

Details Spring device for earcup assemblies of protective helmet Spring device for earcup assemblies of protective helmet

1987-05-07

1988-06-07

Nerbun, Peter

Apparel

Guard or protector

For wearer's head

2209, A42B 300

Patent

active

047486945

ABSTRACT:
An improved binaural earcup assembly for use with a protective helmet in which the earphone of each of the left and right sound attenuating subassemblies is supported by a relatively rigid member in the hard outer shell of the subassembly at a location adjacent to the wearer's ear and in which the subassemblies are urged firmly into sealing engagement with the wearer's head in the region surrounding his ears by a resilient wire form having a pair of loops detachably connected to the earcup assemblies and biasing portion extending between the loops around the nape portion of the helmet.

REFERENCES:
patent: 2572746 (1951-10-01), Mougel
patent: 2844820 (1958-07-01), Austin et al.
patent: 2893011 (1959-07-01), Finken et al.
patent: 3108282 (1963-10-01), Rehman et al.
patent: 3308480 (1967-03-01), Elder
patent: 3400406 (1968-09-01), Aileo
patent: 3786519 (1974-01-01), Aileo
patent: 3864756 (1975-02-01), Desimone
patent: 4259747 (1981-04-01), Taesler et al.

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