Land vehicles – Ski or skate appliance or attachment – Scabbards for ice or roller skates
Patent
1974-10-04
1976-07-06
Makay, Albert J.
Land vehicles
Ski or skate appliance or attachment
Scabbards for ice or roller skates
214512, 280638, B60P 340
Patent
active
039677435
ABSTRACT:
Disclosed is a tractor trailer construction wherein the trailer has a pair of spaced side trusses each having an upper beam and a depending support for carrying a load. Telescoping connections under the control of fluid actuated cylinders are located between the trusses at opposite ends of the trailer whereby the trusses can be moved toward and away from one another for loading and unloading. The tractor is releasably coupled to the connection at the forward end of the trailer and a rear axle unit underlies the opposite rear end of the trailer. To load the trailer, dollies are provided to support the front end of the trailer and the tractor and connection between the trusses at the front end of the trailer are removed leaving the trailer open-ended. The trailer is then moved to straddle the load with the trusses lying on opposite sides of the load. The tractor is then reconnected, and the dollies are removed. The trusses are moved toward one another and are raised to engage and support the load. To unload the trailer, fluid actuated cylinders raise the side trusses and load slightly whereupon the load is blocked. The side trusses are then lowered and displaced laterally away from one another. The tractor and the connection between the trusses at the forward end of the trailer are removed. The tractor is coupled to the rear axle unit and pulls the trailer clear of the load.
REFERENCES:
patent: 2547269 (1951-04-01), Kinsey
patent: 2801864 (1957-08-01), Raney et al.
patent: 2834599 (1958-05-01), Sarchet
patent: 3045848 (1962-07-01), Christenson et al.
patent: 3330574 (1967-07-01), Kulyk
patent: 3348711 (1967-10-01), Gove
patent: 3520430 (1970-07-01), Dunbar
patent: 3747788 (1973-07-01), Petetin
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