ELECTRIC REDUCTION GEAR

PURPOSE: To improve damper effects by constituting a damping means of flat metal springs arranged in such a state as freely deforming and absorbing the whole kinetic energy in a device interposing the damping means between a gear and an output means fixed to its boss. CONSTITUTION: In an electric wi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PIEERU PERIU, ENRIKO FUIN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BRAKES CHECKS FOR WINGS CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING KEYS LIGHTING LOCKS MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING SAFES SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL WEAPONS WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Beschreibung
Zusammenfassung:	PURPOSE: To improve damper effects by constituting a damping means of flat metal springs arranged in such a state as freely deforming and absorbing the whole kinetic energy in a device interposing the damping means between a gear and an output means fixed to its boss. CONSTITUTION: In an electric window lifter for a vehicle, this reduction gear suited for a drive device for opening/closing window glass has an output member fitted in a bore formed in a hub 4 of a gear engaged with a worm. Flat metal springs 6a arranged around the hub 4 are provided in the inside surrounding the hub 4. The spring 6a is composed of two flexible branches 7, respective branches 7 are spiral, and a curved first part 8 extends across to the half or more of the circumference of the hub 4 so as to pressurize the hub 4. The end of the first part 8 is connected to a second curved part 9 via a folded part 11 and the extension part 12 in the other side of the second part 9 is engaged with a claw 14 arranged in the internal circumference of the gear 1.