Dismounting and mounting methods for coupling and...

G - Physics – 03 – G

Patent

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Details

G03G 21/18 (2006.01) G03G 15/00 (2006.01)

Patent

CA 2728434

A coupling member dismounting method for dismounting, from a drum flange (21) mounted to an electrophotographic photosensitive drum, a coupling member (150) for receiving a rotating force for rotating the drum, the method including (i) an inclining step of inclining the coupling member relative to a rotational axis of the drum flange, wherein the coupling member includes a rotating force receiving member having and a spherical portion (160) mounted to a rear end portion of the rotating force receiving member by a pin penetration (155); (ii) a pin urging step of pushing the pin (155) from one end to the other end thereof, (iii) a pin riding step of making a part of the pin which is further projected at the end by the pin urging step ride on a second surface; (iv) a coupling member dismounting step of dismounting the coupling member from the drum flange by applying a force to a free end portion of the coupling member toward a fulcrum which is the portion of the pin riding on the second surface.

L'invention concerne un procédé de démontage d'un organe de couplage permettant de démonter, d'une bride de tambour (21) montée sur un tambour électrophotographique photosensible, un organe de couplage (150) destiné à recevoir un effort de rotation pour faire tourner le tambour, le procédé comprenant (i) une étape d'inclinaison de l'organe de couplage par rapport à un axe de rotation de la bride du tambour, l'organe de couplage comprenant un organe récepteur d'effort de rotation muni, à sa partie arrière, d'une partie sphérique (160) montée au moyen d'un axe traversant (155); (ii) une étape de poussée sur l'axe consistant à appliquer un effort sur l'axe (155) à partir d'une extrémité de l'axe vers son autre extrémité, (iii) une étape de chevauchement de l'axe consistant à faire chevaucher sur une deuxième surface la partie d'extrémité de l'axe la plus en saillie à la suite de l'étape de poussée sur l'axe; (iv) une étape de démontage de l'organe de couplage consistant à démonter l'organe de couplage de la bride du tambour en appliquant un effort sur une partie d'extrémité libre de l'organe de couplage vers un point d'appui qui est la partie de l'axe qui chevauche la deuxième surface.

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