Title:
HELMET WITH VENTILATION OPENING
Document Type and Number:
WIPO Patent Application WO/2005/122811
Kind Code:
A1
Abstract:
A helmet (1) where a ventilation opening frame body (3) is installed on a ventilation opening (2) holed in the upper half portion of a dome-like shell (4), wherein pin holes (10) are parallelly provided in a ventilation opening peripheral edge portion (6) of the shell (4), the edge (6) surrounding the ventilation opening (2), pins (11) penetrating the pin holes (10) are parallelly studded in an inner surface of a frame body edge portion (7) of the ventilation opening frame body (3) fitted in a recess-like outer surface of the ventilation opening peripheral edge portion (6), retaining rings (12) fitted on the pins (11) penetrating the pin holes (10) are fitted on the pins (11) by pressing the retaining rings against a ridge-like inner surface (14) of the ventilation opening edge portion (6), and as a result the ventilation opening frame body (3) is fixed to the shell (4).
Inventors:
SHONO TOHRU (JP)
Application Number:
PCT/JP2004/008424
Publication Date:
December 29, 2005
Filing Date:
June 16, 2004
Export Citation:
Assignee:
SOYO INTERNAT CORP (JP)
SHONO TOHRU (JP)
SHONO TOHRU (JP)
International Classes:
A42B3/28; (IPC1-7): A42B3/28
Foreign References:
| JPH07268713A | 1995-10-17 | |||
| JPH0712440U | 1995-02-28 | |||
| JPH04119108A | 1992-04-20 | |||
| JPS4724210Y1 | 1972-08-01 | |||
| JPS3930445Y1 | ||||
| JPH1150327A | 1999-02-23 | |||
| JPH04135920U | 1992-12-17 | |||
| JPH0489517U | 1992-08-05 |
Attorney, Agent or Firm:
Kawakami, Hajime (Chuo 3-chome Nakano-k, Tokyo 11, JP)
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