Releasable swivel chair support construction

Abstract

Abstract A SWIVEL CHAIR SUPPORT CONSTRUCTION EMPLOYS A SPINDLE WITH ONE END ADAPTED TO BE ATTACHED TO A CHAIR SEAT AND A PORTION OF THE SPINDLE BEING THREADED FOR A SUFFICIENT DISTANCE TO PROVIDE VERTICAL ADJUSTABILITY OVER THE POSITION OF THE CHAIR TO THE DESIRED EXTENT, A TUBULAR MEMBER RECEIVING THE SPONDLE IN LOOSE SLIDING ENGAGEMENT AND ADAPTED TO BE SECURED TO A CHAIR BASE AND INCLUDING A LOAD BEARING ELEMENT, A LOAD SUPPORTING NUT THREADEDLY ENGAGED ON THE SPONDLE, AND MEANS FOR RELEASABLY CONNECTING TOGETHER THE SPINDLE AND TUBULAR MEMBER TO PREVENT AXIAL SEPARATION THEREOF WHEN THE CHAIR IS LIFTED. THE MEANS INCLUDES A HOOK HAVING AN ARCUATE PORTION EXTENDING AROUND AT LEAST A MAJOR PORTION OF THE PERIPHERY OF THE SPINDLE ADJACENT THE TUBULAR MEMBER AND AN ARM FIXED TO AND EXTENDING FROM THE HOOK TOWARD THE TUBULAR MEMBER AND TERMINATING IN A FREE END WHICH IS ARRAGED TO BE FREE FROM ENGAGEMENT WITH THE TUBULAR MEMBER WHEN THE HOOK IS COCKED IN ONE DIRECTION ON THE SPINDLE TO DISPLACE THE FREE END OF THE ARM AWAY FROM THE SPINDLE AND TO ENGAGE A PORTION OF THE TUBULAR MEMBER TO PREVENT SEPARATION OF THE HOOK FROM THE TUBULAR MEMBER WHEN THE HOOK IS COCKED IN THE OPPOSITE DIRECTION ON THE SPINDLE.

Inventors

• 👤 Robert W Prescott

Bibliographic Details