Door and dock cover

Details Door and dock cover Door and dock cover

1990-07-20

1991-05-21

Kannan, Philip C.

Movable or removable closures

Combined

52 64, 52173R, 52173DS, 160127, E06B 700

Patent

active

050163914

ABSTRACT:
An insulated dock plate cover is provided which is connected to the door and thus moves automatically to raised and lowered positions as the door is opened and closed. The forward end of the dock plate cover is connected directly to the lower end of the door while the rear end of the cover is connected by cables which are operatively connected to the conventional door cables in turn connected to a motorized overhead drive shaft.

REFERENCES:
patent: 3378950 (1968-04-01), Butler et al.
patent: 3528086 (1970-09-01), Conger
patent: 3914911 (1975-10-01), Paasch
patent: 4010571 (1977-03-01), McGuire et al.
patent: 4221091 (1980-09-01), Ganse et al.
patent: 4381631 (1983-05-01), Frommelt
patent: 4423574 (1984-01-01), Pierre

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