Motor vehicles – Steering by driving – Controlled from rotatably mounted superstructure
Patent
1978-04-21
1979-12-11
Peters, Jr., Joseph F.
Motor vehicles
Steering by driving
Controlled from rotatably mounted superstructure
212 30, 339 8A, B62D 2700
Patent
active
041778693
ABSTRACT:
The invention concerns a vehicle of the type comprising a mobile carrier, a pedestal mounted thereon for rotation about a vertical axis, and a swivel joint connected between the pedestal and the carrier and through which energy is transmitted. The swivel joint comprises a stationary sleeve mounted on the carrier along the vertical axis and a rotary sleeve mounted coaxially around the exterior of the stationary sleeve. The stationary sleeve includes a plurality of passages extending parallel to the axis for transmitting pressurized fluid. The rotary sleeve includes a plurality of fluid ports. The stationary sleeve includes an annular channel, for each passage, communicating the fluid port with the passage during rotation of the pedestal. An upper gear box is mounted at an upper end of the rotary sleeve for rotation therewith, and a lower gear box is mounted at a lower end of the stationary sleeve. A hollow vertical shaft extends coaxially through the stationary and rotary sleeves for transmitting mechanical energy. Upper gears in the upper gear box connect the shaft to a rotary mechanism on the pedestal. Lower gears in the lower gear box connect the shaft to a rotary mechanism on the carrier. A tube extends coaxially through the vertical shaft for receiving a plurality of electrical conductors which conduct electrical energy between the pedestal and carrier.
REFERENCES:
patent: 2254192 (1941-08-01), White
patent: 2281288 (1942-04-01), Hettelsater
patent: 3489235 (1970-01-01), Watson
Dresser Industries Inc.
Mar Michael
Peters Jr. Joseph F.
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