192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1983-02-04
1985-09-03
Bonck, Rodney H.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
74813C, 74814, 192 12D, 192 33R, 192142R, 192150, F16D 6702, B60K 4124, B60K 4128
Patent
active
045387176
ABSTRACT:
The invention relates to a step drive assembly which includes a rotatable operating unit for operating a tool or knife or the like. The assembly has a change-over clutch for selectively connecting the operating unit to a continuously running motor or a brake. Control apparatus for the assembly includes a disk rotatable with the operating unit having teeth and spaces therebetween forming zones and a sensor unit for scanning the zones and outputting a pulse train. An evaluating circuit responsive to the pulse train outputs a positioned stop signal and an overload stop signal to effect a braking operation.
REFERENCES:
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patent: 2946418 (1960-07-01), Leeson
patent: 2979972 (1961-04-01), Danly
patent: 3085668 (1963-04-01), Block et al.
patent: 3399751 (1968-09-01), Hakata
patent: 3450910 (1969-06-01), Jaeschke et al.
patent: 3602348 (1971-08-01), Mohr
patent: 3741357 (1973-06-01), Krysiuk et al.
patent: 3888338 (1975-06-01), Mars
patent: 4040508 (1977-08-01), Sunada et al.
patent: 4478322 (1984-10-01), Carlson et al.
Danfoss, "Actuators and Accessories for Incremental Motion Control," CK.54.A3.02, 1980, pp. 1-15.
"Stepping Motor Control Circuit", Fegley et al., Western Electric Technical Digest No. 18, Apr. 1970, pp. 15-16.
Blohm Knud
Krogh Egon
Bonck Rodney H.
Danfoss A/S
Easton Wayne B.
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