Patent ID: 7997290
Filing Date: 2011-08-16
Classification: A45B,F16H

Abstract:
1. A parasol comprising: a stem; stays; operating arms which are hingeably coupled at a first end thereof to the stays; an actuator assembly operationally connected for mutually adjusting the end of the stays and the operating arms, the actuator assembly including a spindle having a spindle longitudinal axis and an external screw thread, wherein the stays are hingeably movable relative to the actuator assembly; and a spindle guide connected to the stem, the spindle guide including a holder which extends along a portion of the spindle and which is provided with at least a first set of bodies of revolution and a second set of bodies of revolution which are held in the holder so as to rotate about an axis of rotation and enter into contact with the spindle, wherein the first set of bodies of revolution and the second set of bodies of revolution each engage with at least one screw thread part and the second set of bodies of revolution is set apart from the first set of bodies of revolution along the spindle longitudinal axis.