Power operated tool suspension mechanism - has power supply hose wound onto drum with rings to operate switches
The suspension mechanism is for a power operated tool easily reachable when cut of use from a working position. It is lowered to one or more working levels, and when the operation is complete is preferably wound back automatically up into the starting position. The tool (8) is calibrated and support...
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Format: | Patent |
Sprache: | eng ; ger |
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Zusammenfassung: | The suspension mechanism is for a power operated tool easily reachable when cut of use from a working position. It is lowered to one or more working levels, and when the operation is complete is preferably wound back automatically up into the starting position. The tool (8) is calibrated and supported by a hose (6) through which the power to operate it is supplied. On the outside of the hose are two or more control rings (14) at a predetermined distance apart, corresponding to the positions when in and out of use. These actuate one or more switches (15) controlling the servo-motor so as to unwind the hose rapidly from the cut-of-use position until the working height is reached, whereupon the drum is immediately stopped by a brake and the motor switched off. |
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