Traveler apparatus for screw drive closure operator

Details Traveler apparatus for screw drive closure operator Traveler apparatus for screw drive closure operator

1977-09-16

1979-05-22

Scott, Samuel

Machine element or mechanism

Gearing

Directly cooperating gears

49199, F16H 118

Patent

active

041552687

ABSTRACT:
An improved traveler apparatus includes a screw-driven traveler and a coupling traveler which are both slidably mounted within a track that is formed by the interior surfaces of opposed U-shaped channels of a guide rail. The guide rail also includes a screw channel which communicates through a longitudinal slot with the track. The screw-driven traveler includes a nut that engages a screw in the screw channel through the slot. The coupling traveler includes a manually actuable, bistable latch to selectively engage and disengage the coupling traveler and the screw-driven traveler for cooperative and independent slidable movement within the track, respectively, and the coupling traveler is adapted for connection to a closure, such as a garage door, to open or close same as the coupling traveler is moved along the track.

REFERENCES:
patent: 3858452 (1975-01-01), Gatland et al.

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