Global Patent Index - EP 1222412 A1

EP 1222412 A1 20020717 - WORM/WORM GEAR TRANSMISSION

Title (en)

WORM/WORM GEAR TRANSMISSION

Title (de)

SCHNECKE/SCHNECKENGETRIEBE

Title (fr)

TRANSMISSION A DOUBLE VIS SANS FIN

Publication

EP 1222412 A1 20020717 (EN)

Application

EP 99974125 A 19991015

Priority

US 9924199 W 19991015

Abstract (en)

[origin: WO0129449A1] A worm/worm gear transmission (10, 16) includes an enveloping-type worm gear (16) having less than twenty-four teeth which are generated by an enveloping thread (12). The angle of one revolution of the thread has more than 15 degrees. Different profiles of the worm gear (16) are generated by a modified worm thread (12).

IPC 1-7

F16H 1/16; F16H 1/18; F16H 1/20; F16H 37/06

IPC 8 full level

F16H 1/16 (2006.01); F16H 1/18 (2006.01); F16H 3/72 (2006.01); F16H 55/22 (2006.01)

CPC (source: EP KR)

F16H 1/16 (2013.01 - EP KR); F16H 1/18 (2013.01 - EP KR); F16H 3/72 (2013.01 - EP KR); F16H 55/22 (2013.01 - EP KR)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

WO 0129449 A1 20010426; AU 1208000 A 20010430; CA 2387678 A1 20010426; EP 1222412 A1 20020717; EP 1222412 A4 20031029; JP 2003515064 A 20030422; KR 20020065483 A 20020813

DOCDB simple family (application)

US 9924199 W 19991015; AU 1208000 A 19991015; CA 2387678 A 19991015; EP 99974125 A 19991015; JP 2001532007 A 19991015; KR 20027004840 A 20020415