Pivot pin assembly

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

Patent

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Details

F16C 11/04 (2006.01) A01B 71/04 (2006.01)

Patent

CA 2423496

A pivot pin assembly is provided including a rotatable member having a hole therethrough with tapered ends, a pivot pin including a cylindrical portion and a conical portion engagable with a corresponding end of the tapered ends of the rotatable member, a pivot bearing engagable with the pivot pin to aid in rotation of said pivot pin; and a nut and bolt to lock said pivot pin to said rotatable member. The pivot pin is typically a conventional bearing having an inner race, an outer race, and bearings located between the inner and outer race. Optionally a washer is utilized to hold the bearings in place. In a preferred embodiment, the angle of the tapered end and the angle of the conical portion of the pivot pin are equal to each other and the angle is 20 degrees.

Ensemble pivot comprenant un élément rotatif percé de part en part et aux extrémités effilées, un pivot comprenant une partie cylindrique et une partie conique qui entrent en prise avec une extrémité correspondante des extrémités effilées de l'élément rotatif, une crapaudine qui entre en prise avec le pivot pour faciliter sa rotation, ainsi qu'un écrou et un boulon pour fixer le pivot sur l'élément rotatif. Le pivot est habituellement un roulement ordinaire doté d'une bague intérieure, d'une bague extérieure et de paliers placés entre la bague intérieure et la bague extérieure. Une rondelle peut être utilisée pour tenir les paliers en place. Selon un mode de réalisation préféré, l'angle de l'extrémité effilée est le même que l'angle de la partie conique du pivot, soit 20 degrés.

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