Shaft-turning device

Details Shaft-turning device Shaft-turning device

1979-08-27

1981-05-19

Staab, Lawrence J.

Machine element or mechanism

Mechanical movements

Oscillation or reciprocation to intermittent unidirectional...

74575, F16H 2702, F16H 3100

Patent

active

042677408

ABSTRACT:
Apparatus for rotating a shaft of a turbine is disclosed. This apparatus includes a ratchet wheel which is connected to the shaft, and a pawl which engages the teeth of the ratchet wheel. The teeth of the ratchet wheel have bearing surfaces with convex curvatures, while the pawl has a contact surface which also has a convex curvature.

REFERENCES:
patent: 133949 (1872-12-01), Otstot
patent: 1939887 (1933-12-01), Ferris et al.
patent: 2126176 (1938-08-01), Davis
patent: 2563584 (1951-08-01), Crookston
patent: 2900840 (1959-08-01), Greve
patent: 3057147 (1962-10-01), Hetzel
patent: 4018094 (1977-04-01), Schmidt
patent: 4090409 (1978-05-01), Ohleyer

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