Height adjustable accessory structure

Details Height adjustable accessory structure Height adjustable accessory structure

2007-04-13

2008-11-04

MacArthur, Victor (Department: 3679)

Joints and connections

Articulated members

Lockable at fixed position

C403S109800, C403S379600, C297S391000, C297S410000

Reexamination Certificate

active

07445397

ABSTRACT:
A height adjustable accessory structure includes a C-shaped ring disposed in an engaging sleeve including a main sleeve body and an assistant sleeve body engaged with each other for allowing insertion and positioning of an engaging rod with a plurality of engaging portions. The bottom of the engaging rod includes a tightening section and an engaging member whose size is between the outer diameter and the inner diameter of the engaging sleeve. The tightening section allows free deformation of elastic hooks at the bottom of the engaging sleeve, thus allowing the elastic hooks to successfully pass through the sleeve and enabling the elastic hooks to be positioned below the engaging sleeve after inserting through the sleeve. The engaging member will be stopped against the engaging sleeve, and the engaging rod cannot be pulled away from the engaging sleeve.

REFERENCES:
patent: 3019042 (1962-01-01), Smith

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