Locking device in a telescopic tubular tripod leg element assembly

摘要

A locking device in a telescopic tripod leg element assembly for camera to fix an inner and an outer tubular leg elements in an extended position. A sleeve has at its one end an internal multiple thread and at the other end an inner peripheral face providing a guide face for the inner tubular leg element. The inner tubular leg element is provided at the inner end with an external multiple thread. The inner and outer tubular leg elements are locked in an extended position by engaging threadably the internal and external multiple threads with each other.