Special purpose window
AssigneeSwiss Aluminium Ltd.
InventorRonald D. Sukolics
Life of this patent
Estimating the term…
Abstract
An improved special purpose window fur use in "drive-in" businesses such as restaurants, banks and the like is disclosed. The window reduces exterior art infiltration without interfering with the normal merchandise-money exchange between attendant and customer thereby significantly reducing the infiltration of carbon monoxide from the exterior of the building into the interior of the building.
Claims17
An improved special purpose window for use in an exchange between an interior environment and an exterior environment comprising:
- a window chamber;
- delivery means adapted to sealingly mate with said window chamber so as to divide said window chamber into a first window chamber and a second window chamber, said delivery means including shield means associated therewith so as to divide said delivery means into a first delivery compartment within said first window chamber and a second delivery compartment within said second window chamber;
- actuating means associated with said delivery means for moving said delivery means between a first position wherein said first delivery compartment is within said first window chamber and said second delivery compartment is within said second window chamber to a second position wherein said first delivery compartment is within said second window chamber and said second delivery compartment is within said first window chamber;
- and
- purging means associated with said first window chamber so as to purge said first window chamber prior to moving said delivery means between said first position and said second position.
An apparatus for use in the exchange of goods between an interior environment and an exterior environment comprising:
- a chamber;
- means within said chamber and adapted to sealingly mate therewith so as to divide said chamber into a first chamber and a second chamber, said means having a first compartment within said first chamber and a second compartment within said second chamber;
- actuating means for moving said means from a first position wherein said first compartment is within said first chamber and said second compartment is within said second chamber to a second position wherein said first compartment is within said second chamber and said second compartment is within said first chamber;
- sealing means associated with said first window chamber and movable from a first position where said first chamber is sealed from said exterior environment to a second position where said first chamber is exposed to said exterior environment;
- and
- purging means associated with said first chamber so as to purge said first chamber as said sealing means moves from said second position to said first position prior to moving said means from said first position to said second position.
A method for preventing the infiltration of fumes from an exterior environment into an interior environment during the exchange of goods from said interior to said exterior, the method which comprises:
- positioning delivery means having a first compartment and a second compartment within a chamber so as to divide said chamber into a first chamber and a second chamber;
- providing actuating means for moving said delivery means from a first position wherein said first compartment is within said first chamber and said second compartment is within said second chamber to a second position wherein said first compartment is within said second chamber and said second compartment is within said first chamber;
- and
- purging said first chamber prior to actuating said delivery means to move from said first position to said second position.
Dependencies are inferred from the claim text.