Door

Details Door Door

1985-02-11

1987-01-20

Kannan, Philip C.

Movable or removable closures

With means mounting closure for swinging

With biasing means

49388, 49501, E05F 110

Patent

active

046371672

ABSTRACT:
A door for refrigerating and freezing chambers, comprising a door frame supporting one or more glass panes for exposing refrigerated or frozen goods in said chamber through the door. According to the invention, the door frame comprises a section (6) capable to support the glass (4) associated with the door (1) along only one vertical edge (7) of the glass (4), at which edge (7) the door (1) is intended to be hingedly suspended in a door case. An inner longitudinal cavity (10) is located along the entire length of the section (6), in which cavity (10) a torsion spring (11) extends substantially along the entire length of the section (6), which torsion spring (11) is capable to be locked at one end relative to the section (6) and at its other end relative to said door case.

REFERENCES:
patent: 3507074 (1970-04-01), Gallegos
patent: 3629972 (1971-12-01), Rehberg et al.
patent: 3780472 (1973-12-01), Biebuyck
patent: 4145844 (1979-03-01), Kaspar
patent: 4223482 (1980-09-01), Barroero et al.
patent: 4378658 (1983-04-01), DeLorean

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