Turning opening or closing member supporting structure of...

Details Turning opening or closing member supporting structure of... Turning opening or closing member supporting structure of...

2005-08-23

2005-08-23

Lindsey, Rodney M. (Department: 3765)

Apparel

Guard or protector

For wearer's head

Reexamination Certificate

active

06931670

ABSTRACT:
To increase the amount of open air's introduction, have satisfactory good design and operability of a helmet. There are provided a plurality of turning center points of at least two or more during an opening or closing operation of the turning opening or closing member, any one of or more of these turning center points are set outside the operating mechanism and the turning center points are switched over during the turning operation from the closed state to the opened state of the turning opening or closing member.

REFERENCES:
patent: 3727235 (1973-04-01), Fisher
patent: 4312078 (1982-01-01), Pollitt et al.
patent: 4766615 (1988-08-01), Morin et al.
patent: 5604930 (1997-02-01), Petit et al.
patent: 6047409 (2000-04-01), Simpson
patent: 80202 (1983-06-01), None
patent: 558175 (1993-09-01), None
patent: 2595921 (1987-09-01), None
patent: 2637468 (1990-04-01), None
patent: 2201881 (1988-09-01), None
patent: 61174406 (1998-06-01), None
patent: 11247018 (1999-09-01), None
patent: 8601694 (1986-03-01), None

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