Device for limiting the number of revolutions of a shaft or the

Details Device for limiting the number of revolutions of a shaft or the Device for limiting the number of revolutions of a shaft or the

1974-06-20

1976-04-06

Scott, Samuel

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

49 35, 192 67R, F16H 128

Patent

active

039481190

ABSTRACT:
The invention relates to a device for limiting the number of revolutions of a shaft or the like, especially for the rotatable drive of sliding roofs in automobiles, which comprises an eccentric disc securely mounted on the shaft and having an externally toothed ring rotatably mounted on its circumferential surface, which ring is surrounded by an inner toothed arrangement situated fixed in a rosette block concentric to the shaft axis, the tooth root radius of which exceeds, by approximately the eccentricity of the eccentric disc, the tooth tip radius of the toothed ring, whereby abutment means for the end limiting positions of the shaft after a predetermined number of rotations has been reached are connected to on the one hand the tooth ring and on the other hand the rosette block.

REFERENCES:
patent: 2180597 (1939-11-01), Le Bus
patent: 2370872 (1945-03-01), Miller et al.
patent: 2370992 (1945-03-01), Perry et al.
patent: 2864267 (1958-12-01), Merriman et al.
patent: 2900183 (1959-08-01), Leslie et al.
patent: 3104850 (1963-09-01), Wood
patent: 3159392 (1964-12-01), Pollak
patent: 3171644 (1965-03-01), Griswold, Jr.
patent: 3224398 (1965-12-01), Greulich
patent: 3398486 (1968-08-01), Cadiou

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