Garage door opener drive mechanism
OwnerErich Gottfried Schneebergerinventor
Life of this patent
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Abstract
An automatic garage door opener mechanism having improved safety and security is disclosed, which comprises: (a) an electrically-operated motor capable of turning an internal shaft, said shaft having at one end thereof a plurality of annular grooves and ribs cut directly into said shaft and suitable for engagement with a rib-and-groove tractive face belt; (b) a driven wheel interconnecting with a drive mechanism capable of opening or closing a garage door; and, (c) a rib-and-groove tractive face belt wherein the ribs and grooves are parallel to the length of the belt, said belt being in mating engagement with the plurality of annular grooves and ribs of the internal shaft of said motor, and in tractive engagement with the surface of said driven wheel.
Claims3
An automatic garage door opener mechanism having improved safety, comprising:
- (a) an electrically-operated motor capable of turning an internal shaft, said shaft having at one end thereof a plurality of annular grooves and ribs cut directly into said shaft and suitable for engagement with a rib-and-groove tractive face belt;
- (b) a driven wheel interconnecting with a drive mechanism capable of opening or closing a garage door;
- and,
- (c) a rib-and-groove tractive face belt wherein the ribs and grooves are parallel to the length of the belt, said belt being in mating engagement with the plurality of annular grooves and ribs of the internal shaft of said motor, in tractive engagement with the surface of said driven wheel.
Dependencies are inferred from the claim text.