Fluid reaction surfaces (i.e. – impellers) – Ambulant – body supported or with carrying handle
Patent
1999-02-01
2000-12-05
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
Ambulant, body supported or with carrying handle
416244R, 416246, 415126, 4152131, B63H 700
Patent
active
06155782&
ABSTRACT:
A small size portable fan having a mechanism for adjusting the angle of a blower relatively to a body portion, and a mechanism for hanging the fan to a human body or other objects. The fan includes a body portion, and a blower pivotally mounted on the body portion for adjusting the relative blower angle. A cord can be attached to the fan for the hanging purpose. The connecting mechanism of the cord to the fan is in a detachable manner that when an outer force applying to the connectors exceeds a certain extent, the cord will be released from the fan, therefore prevents from harms to a wearer.
REFERENCES:
patent: D345599 (1994-03-01), Williams, Jr.
patent: 3846047 (1974-11-01), Wada et al.
patent: 4197448 (1980-04-01), Harigai
patent: 4687414 (1987-08-01), Wardy
patent: 4754376 (1988-06-01), Winslow
patent: 5429481 (1995-07-01), Liu
patent: 5851106 (1998-12-01), Steiner et al.
Chan Raymond Y.
Look Edward K.
Nguyen Ninh
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