Canopy side frame adjustment unit

In a canopy assembly having a rectangular framework covered over by a canopy, the framework having at least one elongated, straight side tube with an outer end, and having at least one u-shaped elongated end tube with an outer straight end inserted axially into an adjacent outer end of a side tube, and with at least one spacer connected at right angles to said end tube outer end, said spacer also inserted within said side tube outer end, the improvement comprising:

• first means attached to said framework and having a flange engaging a portion of said side tube outer end, said flange having an outer face;
• second means including an externally threaded member inserted axially through said flange and said spacer, with an inner end of said member enlarged and held against the inside of said spacer relative to said flange, said threaded member having an outer end extended outwardly of said flange;
• and
• third means rotatably threaded onto said member outer end and threadably engageable with said flange outer face, rotation of said third means in one direction effective to slidably move said spacer and said end tube outer end axially outwardly of and relative to said side tube outer end, rotation of said third means in an opposite direction effective to loosen the engagement of said third means with said flange outer face.