Sliding suspension with lift jack

Details Sliding suspension with lift jack Sliding suspension with lift jack

1990-04-16

1991-08-20

Rice, Kenneth R.

Land vehicles

Skates

Ball type roller skates

280 612, 2801492, B60S 900

Patent

active

050408267

ABSTRACT:
A highway trailer having rear wheels that are longitudinally adjustable along a slide rail also has when parked, a lift capability by use of an on-board jack. The bed floor at the rear of the trailer may be raised to match loading dock levels of varying heights and to allow the addition and removal of rail truck wheels without the need for special equipment at the site. A lift jack is attached to move fore and aft of the trailer along with a concomitant movement of the rear wheels and to bear against a horizontally extended flange portion of the slide rail that underlies the trailer bed floor.

REFERENCES:
patent: 4413943 (1983-11-01), Liljestrom
patent: 4568094 (1986-02-01), Lovell
patent: 4944522 (1990-07-01), Hart

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