EP 0076946 A3 19840111 - SAFETY HELMET FOR MOTOR CYCLISTS
Title (en)
SAFETY HELMET FOR MOTOR CYCLISTS
Publication
Application
Priority
- DE 3140440 A 19811012
- DE 3144707 A 19811111
- DE 3144708 A 19811111
- DE 3224046 A 19820628
Abstract (en)
[origin: US4473130A] A crash helmet for use by motorcycle drivers or riders has a rigid shell; a first flexible acoustic tube a first section of which extends into and has a bell horn in the region of the mouth-protecting part of the shell, and a second section extending from the shell through the opening in the neck-surrounding part of the shell; a second flexible acoustic tube a first section of which extends into and has a sound-intensifying terminal portion in the region of an ear-protecting part of the shell, and a second section extending outwardly through the aforementioned opening of the shell; first and second additional flexible acoustic tubes respectively corresponding to the second and first tubes and having first sections installed in the shell of a second crash helmet; and a quick-release coupling respectively connecting the second sections of the first and second tubes with the second sections of the second and first additional tubes. The first sections of the tubes are embedded in or secured to the padding at the inner side of the respective shell.
IPC 1-7
IPC 8 full level
A42B 3/30 (2006.01)
CPC (source: EP US)
A42B 3/30 (2013.01 - EP US); Y10S 2/908 (2013.01 - US)
Citation (search report)
- [E] WO 8203160 A1 19820930 - CHAISE FRANCOIS
- [X] FR 2368236 A1 19780519 - GREZE ANDRE [FR]
- [Y] US 3693748 A 19720926 - JONES DOYAL H, et al
- [Y] FR 2282767 A1 19760319 - POULAIN BERNARD [FR]
- [A] DE 425590 C 19260220 - WOLFGANG KAEMPFERT, et al
- [A] US 1656914 A 19280124 - RIDGEWAY HART HENRY
- [A] GB 120253 A 19181030 - WALLS ROBERT REID [GB]
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0076946 A2 19830420; EP 0076946 A3 19840111; US 4473130 A 19840925
DOCDB simple family (application)
EP 82108763 A 19820922; US 43079782 A 19820930