TW200637976A - Swing device for an electric fan - Google Patents

Swing device for an electric fan

Info

Publication number
TW200637976A
TW200637976A TW094112823A TW94112823A TW200637976A TW 200637976 A TW200637976 A TW 200637976A TW 094112823 A TW094112823 A TW 094112823A TW 94112823 A TW94112823 A TW 94112823A TW 200637976 A TW200637976 A TW 200637976A
Authority
TW
Taiwan
Prior art keywords
swing device
fan
motor
electric fan
shaft
Prior art date
Application number
TW094112823A
Other languages
Chinese (zh)
Other versions
TWI283280B (en
Inventor
Chieh-Cheng Chen
Original Assignee
Chieh-Cheng Chen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chieh-Cheng Chen filed Critical Chieh-Cheng Chen
Priority to TW94112823A priority Critical patent/TWI283280B/en
Publication of TW200637976A publication Critical patent/TW200637976A/en
Application granted granted Critical
Publication of TWI283280B publication Critical patent/TWI283280B/en

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

An electric fan comprises a fan portion, a casing portion, a supporting portion, a motor portion, and a swing device. The fan portion has an impeller, and a fan frame. The casing portion has a base, a cover, and a screw. The supporting portion has a first pivotal member, and a second pivotal member. The motor portion has a main body, a shaft, and an extension shaft. The swing device has a gear assembly and a connecting rod. The main body of the motor drives the impeller through the shaft and the extension shaft. The swing device is positioned between the fan portion and the motor portion for substantially maintaining the weight balance of the electric fan when the electric fan is swinging. Thus, when the motor portion drives the swing device, the swing device is actuated in an opposite direction by the connecting rod so that the fan portion, the motor portion, and the swing device swing stably with respect to the supporting portion.
TW94112823A 2005-04-22 2005-04-22 Swing device for an electric fan TWI283280B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94112823A TWI283280B (en) 2005-04-22 2005-04-22 Swing device for an electric fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94112823A TWI283280B (en) 2005-04-22 2005-04-22 Swing device for an electric fan

Publications (2)

Publication Number Publication Date
TW200637976A true TW200637976A (en) 2006-11-01
TWI283280B TWI283280B (en) 2007-07-01

Family

ID=39428130

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94112823A TWI283280B (en) 2005-04-22 2005-04-22 Swing device for an electric fan

Country Status (1)

Country Link
TW (1) TWI283280B (en)

Also Published As

Publication number Publication date
TWI283280B (en) 2007-07-01

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees