Mounting device

F - Mech Eng,Light,Heat,Weapons – 16 – B

Patent

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Details

F16B 2/14 (2006.01) F16D 1/091 (2006.01) F16D 1/094 (2006.01)

Patent

CA 2184405

A mounting device for anchoring a machine element (11) having a tapered bore (13) coaxially upon a rotary shaft (12). The device fits between the tapered bore (13) and the cylindrical surface (14) of the shaft (12) and is effective to position the element at any desired position longitudinally and at any angular position circumferentially of the shaft (12). The device has inner (21) and outer (22) segmented sleeves, the mating surfaces of which are similarly tapered so that relative axial displacement of the sleeves (21, 22) effects expansion and contraction of the interior bore and external surface of the combined elements. Rotation of an internally threaded nut (23) at one end of the device effects the relative axial displacement of the inner (21) and outer (22) sleeves to afford expansion and contraction of the outer sleeve (22) without straining the material of the sleeve or the nut (23).

L'invention concerne un dispositif de montage pour ancrer un élément (11) de machine ayant un alésage conique (13) agencé d'une manière coaxiale sur un arbre rotatif (12). Le dispositif s'adapte entre l'alésage conique (13) et la surface cylindrique (14) de l'arbre (12) et il est efficace pour positionner l'élément en une position longitudinale quelconque et en une position angulaire quelconque sur la circonférence de l'arbre (12). Le dispositif a un manchon segmenté interne (21) et un manchon segmenté externe (22), dont les surfaces correspondantes ont une conicité similaire, de sorte qu'un déplacement axial relatif des manchons (21, 22) provoque l'expansion et la contraction de l'alésage interne et de la surface externe des éléments combinés. La rotation d'un écrou à filetage interne (23) à une extrémité du dispositif influe sur le déplacement axial relatif du manchon interne (21) et du manchon externe (22) pour assurer l'expansion et la contraction du manchon externe (22) sans exercer de contrainte excessive sur le matériau du manchon ou de l'écrou (23).

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