Adjustable height flight

Package making – Convertible


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53448, 53534, 53543, 1984731, 198731, 19880311, B65B35/30




An adjustable height flight comprising a flight assembly and a cam mechanism. The flight assembly includes a flight base operationally connected to a rotational endless conveyance member, an adjustable flight bar slidably connected to the flight base, and an adjustment mechanism for adjusting and setting said flight bar at a desired height. The cam mechanism includes a cam frame, an adjustable cam track connected to the frame and operationally contacting the flight adjustment mechanism, a cam track adjustment mechanism attached to the frame and operationally contacting the cam track, and an engagement mechanism for selectively engaging and disengaging said cam mechanism from said flight assembly. The cam mechanism can be either engaged or disengaged from operational contact with the flight assembly. The cam track adjustment mechanism adjusts the position of the cam track to force the adjustable flight bar to a desired vertical position. The flight bar normally travels in a vertically locked position. The adjustment mechanism of the flight assembly engages both the button cam and the cam track in such a manner that the button cam unlocks the flight bar while the cam track adjusts the vertical position of the flight bar through the adjustment mechanism. The flight bar is locked again when the flight assembly travels off of the button cam.

patent: 5188217 (1993-02-01), Bruno
patent: 5328021 (1994-07-01), Calvert et al.
patent: 5346058 (1994-09-01), Santandrea et al.
patent: 5347788 (1994-09-01), Petz et al.
patent: 5360099 (1994-11-01), Culpepper et al.
patent: 5369942 (1994-12-01), Olson
patent: 5392896 (1995-02-01), Martelli
patent: 5546734 (1996-08-01), Moncrief et al.


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