UNIVERSAL JOINT - HAND TOOL DESIGN CORP

Title:

UNIVERSAL JOINT

Document Type and Number:

WIPO Patent Application WO2004057199

Kind Code:

A3

Abstract:

A universal joint (10) to transmit force from a tool to a workpiece. A driver (12) attachable to the tool has a spherical cavity (18). A plurality of inwardly facing protrusions (52) are formed in the cavity. Each protrusion has a pair of conical sidewalls (54) separated by an angled ramp (58). A driven socket (14) has a sphere formed on one end (22). The sphere has a plurality of channels (32). The sphere is received in the spherical cavity in the driver and the protrusions in the cavity are received in the channels. The drive webs (34, 36) forming the channel engage the protrusions when the driver is angularly offset from the driven socket.

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Inventors:

DELANEY DANA L
DEXTER BRUCE
GHARIB AWAD

Application Number:

PCT/US2003/040517

Publication Date:

February 17, 2005

Filing Date:

December 18, 2003

Export Citation:

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Assignee:

HAND TOOL DESIGN CORP (US)

International Classes:

F16D3/18; F16D3/205; (IPC1-7): F16D3/18

Foreign References:

GB235081A	1925-06-11
US0741106A	1903-10-13
US4312193A	1982-01-26
DE1172488B	1964-06-18

Other References: