192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1989-08-15
1991-10-29
Lorence, Richard
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
192 56R, 192150, 173 12, 81470, B25B 23145
Patent
active
050607723
ABSTRACT:
The power-operated tool, preferably a screw driving implement, includes a switching clutch which transfers the torque from the drive shaft to the output shaft. Upon reaching the given reactive maximum torque, the switching mechanism is activated to turn off the drive. The clutch components are still engaged, so that one torque is transferred to the screw after the unit is turned off. This allows for unsupervised motion upon the output shaft. One should be able to interrupt the torque transfer to the output shaft completely and to return the switching clutch to its original position with certainty and ease. The switching mechanism maintains the valve body of the on-off valve in the open position, with the clutch component of the separating clutch separated by at least one buffer. In this way, the drive shaft continues to operate, allowing the clutch component to return to its original position where it engages the other clutch component of the separating clutch, even following interruption of the torque transfer. The power-operated tool may be designed as a hand-operated screw driver or as a multiple screw driver.
REFERENCES:
patent: 3168944 (1965-02-01), Livermont
patent: 3205992 (1965-09-01), Clapp
patent: 3289715 (1966-12-01), DeGroff et al.
patent: 3752278 (1973-08-01), States
patent: 3811513 (1974-05-01), Wezel et al.
patent: 3993145 (1976-11-01), Findeli
patent: 4154308 (1979-05-01), Goldsberry et al.
patent: 4576270 (1986-03-01), Baltz et al.
patent: 4631992 (1986-12-01), Eckman
Anders Heinz-Gerhard
Mattheiss Eugen
Weimer Dieter
Cooper Industries Inc.
Lorence Richard
Rose David A.
Verplancken Donald J.
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