Equalizer for tailgate lifts

Details Equalizer for tailgate lifts Equalizer for tailgate lifts

1984-06-28

1986-04-01

Song, Robert R.

Material or article handling

Self-loading or unloading vehicles

Loading or unloading by other carrier or mover means, and...

296 57R, 187 9R, B60P 144

Patent

active

045795002

ABSTRACT:
A truck lift gate has a platform which is raised and lowered on runners to which it is attached, and which are guided in vertical rails. The runners are lifted by flexible members such as chains or cables, and are lowered by their own weight when the flexible members are slacked off. An equalizer is carried by each runner which overhangs and contacts the top of the platform at an elevation relative to the horizontal which is respective to the platform when it is horizontal. Then the platform cannot tilt sidewise when it is lowered.

REFERENCES:
patent: 3204926 (1962-03-01), Nolden
patent: 3275170 (1966-09-01), MacRae et al.
patent: 4408948 (1983-11-01), Robinson
patent: 4457401 (1984-07-01), Taylor et al.

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