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1. (WO1981003003) A GEAR
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1981/003003    International Application No.:    PCT/DK1981/000036
Publication Date: 29.10.1981 International Filing Date: 14.04.1981
B62M 9/14 (2006.01)
Priority Data:
1584/80 14.04.1980 DK
Title (EN) A GEAR
Abstract: front page image
(EN)External chain-shifting gears have a large building width, which necessitates the application of unsymmetrical rear wheels. In order to avoid this a number of toothed rims (1) is embedded with axial displacement on a guiding barrel (4) with side flanges (5). The toothed rims (1) have pins (2), which through slits (3) in the guiding barrel (5) are in mesh with helical grooves (7) in a sleeve (6) embedded inside the guiding barrel (4). A gear changing mechanism rotates the sleeve (6) in relation to the guiding barrel (4), by which means the toothed rims (1) are led from a position of rest at the side flange (5) of the guiding barrel (4) to the middle of the guiding barrel (4).
(FR)Des pignons exterieurs de transfert de chaine possedent une largeur de fabrication importante qui demande l"application de roues arriere asymetriques. De maniere a eviter ceci, plusieurs couronnes dentees (1) sont noyees, avec un deplacement axial, sur un cylindre de guidage (4) ayant des brides laterales (5). Les couronnes dentees (1) possedent des ergots (2), et des fentes traversantes (3) amenagees dans le cylindre de guidage (5) sont en prise avec des rainures helicoidales (7) dans un manchon (6) noye a l"interieur du cylindre de guidage (4). Un mecanisme de changement de vitesse fait tourner le manchon (6) par rapport au cylindre de guidage (4) ce qui a pour effet d"amener les couronnes dentees (1) d"une position de repos de la bride laterale (5) du cylindre de guidage (4) vers le milieu du cylindre de guidage (4).
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)