Apparatus for intermittently turning a turbine shaft

Details Apparatus for intermittently turning a turbine shaft Apparatus for intermittently turning a turbine shaft

1975-08-27

1977-04-19

Scott, Samuel

Machine element or mechanism

Mechanical movements

Oscillation or reciprocation to intermittent unidirectional...

74126, F16H 2702

Patent

active

040180948

ABSTRACT:
Apparatus for intermittently turning a turbine shaft wherein a ratchet wheel is secured upon the shaft and is engaged intermittently by a to and fro movement of a ratchet arm actuated by a reciprocating drive mechanism. The ratchet arm has a combined rectilinear and pivotal movement and is provided with a device, operable in the event the ratchet wheel is put into rotation by starting up of the turbine while the ratchet arm is engaged with the ratchet wheel, for detaining the arm against a return pivotal movement towards the ratchet wheel after being hurled outwardly therefrom to a predetermined position.

REFERENCES:
patent: 3101013 (1963-08-01), Ayers et al.

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