Extensible drive shaft

Details Extensible drive shaft Extensible drive shaft

1980-11-24

1983-03-01

Reese, Randolph

Railways

Traction

Longitudinal rotary shafts

192 65, 192 66, 192 85C, 403 13, 464 42, 464 43, 464162, 464183, B61B 1312

Patent

active

043751946

ABSTRACT:
The drive shaft assembly comprises first and second telescoping shafts supported above ground level. A motor is coupled to the first shaft for extending it in an axial direction. Another motor is connected to the second shaft for rotating the second shaft about its longitudinal axis. These shafts are connected by a coupling so that the second shaft rotates the first shaft in all positions of the first shaft. The first shaft terminates at a free end in a frictional engageable end portion.

REFERENCES:
patent: 2349624 (1944-05-01), Higgins
patent: 2744597 (1956-05-01), Merritt
patent: 3283588 (1966-11-01), Merchant
patent: 3492835 (1970-02-01), Polizzotto
patent: 4125000 (1978-11-01), Grob
patent: 4132174 (1976-10-01), Ziegenfus

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