Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1985-09-30
1987-09-15
Skaggs, H. Grant
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187 56, 187DIG1, 49 27, B66B 1308, B66B 1326
Patent
active
046933409
ABSTRACT:
This invention relates to a realignment assembly for use with a modern passenger elevator cab door for attachment to the opposed mechanically-actuated bumper switches that automatically reopen the doors when the closure thereof is obstructed, such assembly comprising a slotted member defining a horizontally-disposed guideway paralleling the reciprocating movement of the bumper switches and an arm slidably mounted within the slot in the guideway and attached to the adjacent bumper effective to move therewith and prevent said bumper from deflecting into the path of an electric eye beam alongside thereof which is also part of a second system operative to reopen the doors when interrupted. The guide member also preferably includes a faceplate spring-biased against the guide rod in a direction to force the latter out of the path of the light beam emanating from the electric eye system transmitter.
REFERENCES:
patent: 3168165 (1965-02-01), Bagnasco
patent: 4227592 (1980-10-01), Foreman et al.
Carnes Gerald L.
Shanks Ernest R.
Pedersen Nils E.
Skaggs H. Grant
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