Land vehicles – Suspension modification enacted during travel – Suspension geometry
Patent
1980-05-09
1982-08-17
Peters, Jr., Joseph F.
Land vehicles
Suspension modification enacted during travel
Suspension geometry
137571, 220 22, B60P 322
Patent
active
043446361
ABSTRACT:
A tractor trailer, the trailer being a cylindrical tank for transporting liquid material having a set of supporting wheels about one-quarter of its length from its rear wall. On level ground, the tank is inclined downwardly forwardly at an angle of about 3.5.degree. and has a framework extending from its front wall about midway of its height, a drawpin depending from the front of the frame for connection to the tractor being intersected by an extension of the tank's longitudinal center line. The frame supports a pressure-vacuum pump connected through a conduit to a dome at the rear of the tank for exerting pressure or creating a vacuum within the tank's interior. The tank has a central vertical baffle, extending its length and having openings at the top and bottom, and two transverse baffles which divide the tank into three parts of about equal volume also having openings at the top and the bottom. Pipes extend outboard from the tank's forward bottom which have ports. The tank's lower front is spaced behind the towing tractor's rear wheels and the height of the lowest part of the tank above the supporting surface is less than one-half of the diameter of the tank. At its lowest part screening or guard members are provided to protect the tank against damage by obstructions on the roadway when it is being towed.
REFERENCES:
patent: 1616008 (1927-02-01), Stout
patent: 1897161 (1933-02-01), Endacott
patent: 3080173 (1963-03-01), Johnson et al.
patent: 3625137 (1971-12-01), Johnson
Mason William B.
McGiehan Donn
Peters Jr. Joseph F.
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