CLUTCH DEVICE FOR ELECTRIC WINCH

Title:

CLUTCH DEVICE FOR ELECTRIC WINCH

Document Type and Number:

WIPO Patent Application WO/2008/022545

Kind Code:

A1

Abstract:

The present invention discloses a clutch device for an electric winch. The clutch device mainly includes a retardation compartment (7) having a retardation mechanism therein and a stopping hole (71) thereon; an inner gear (8) connected with the retardation mechanism and sleeved by the retardation compartment (7), its outer peripheral surface comprising a lot of stopping recesses (81); a clutch sleeve (3) detachably fixed in the stopping hole (71) of the retardation compartment (7), its top end comprising a double-bevel cam surface; a reverse T shape clutch rod (6) provided in the clutch sleeve (3); an elastic member sleeved onto the clutch rod (6); a clutch handle (2) rotatably provided on the top end of the clutch sleeve (3) and connected with the clutch rod (6) through connecting element (1), its inner top end comprising a double-bevel cam surface mated with the double-bevel cam surface of the clutch sleeve (3); a positioning mechanism provided between the clutch handle (2) and the clutch sleeve (3), which is used for positioning the clutch handle (2) when the clutch rod (6) is engaged or disengaged with the stopping recesses (81). In use, when rotating the clutch handle (2), the double-bevel cam surfaces (21, 31) can make the clutch rod (6) be engaged or disengaged with the stopping recesses (81) of the inner gear (8).

Inventors:

TSAO KUO-HSIANG (CN)
XIE YUZHI (CN)

Application Number:

PCT/CN2007/002423

Publication Date:

February 28, 2008

Filing Date:

August 13, 2007

Export Citation:

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Assignee:

TSAO KUO-HSIANG (CN)
XIE YUZHI (CN)

International Classes:

B66D1/14; B66D1/40

Foreign References:

CN1907837A	2007-02-07
CN1907838A	2007-02-07
CN2466129Y	2001-12-19
US5261646A	1993-11-16
CN2484297Y	2002-04-03
US6520486B2	2003-02-18
CN2466129Y	2001-12-19

Other References: