Patent ID: 11920854
Assignee: JAMISON DOOR COMPANY
Field: Civil engineering (Other fields)
Classification: CPC E  F | IPC E  F

Claim 16:
17. A roll-up door assembly, comprising:
(a) a pair of curtains configured to transition between a lowered position and a raised position, wherein the pair of curtains at least partially define an internal volume in the lowered position; and
(b) a side frame, wherein the side frame comprises:
an elongated body defining a hollow interior,
(ii) a pair of curtain tracks configured to guide the pair of curtains between the lowered position and the raised position,
(iii) a heating assembly configured to circulate heated air into the internal volume,
(iv) a sensor located within the internal volume, wherein the sensor is configured to generate a signal, and
(v) a control module configured to generate an instruction in response to the sensor generating the signal, wherein the heating assembly is configured to adjust a ratio of air originating from a lower temperature conditioned space and the internal volume in response to the instruction generated by the control module.