Baking oven

A baking oven comprising an oven, a substantially flat conveyor extending into one side through said oven and out the other side of said oven for continuously carrying baking objects from said one side through said oven and out the other side of said oven, a pair of oven access panels attached to at least one end of said oven and above and below said conveyor leaving only enough room for said baking object to be carried through said oven, whereby said oven access panels may be removed to provide complete access to said oven at the end of said conveyor, an access window hinged on one side to a front of said oven for giving access at a side of said conveyor within said oven, said access window resting solely under gravity in either an open or a closed position, an impeller, at least one duct means for conveying air from said impeller to said baking objects, means for enabling said duct means to be installed and removed via said oven access panels, said duct means being positioned to be so installed and removed by enabling it to be manipulated at substantially its center of gravity, means for mounting any of several numbers of duct means in said oven at selected locations whereby the distribution of air in said oven may be varied, tracks provided at opposite sides of said oven for a plurality of said ducts to slide sideways through said oven, and filler plates for covering unused space along said tracks whereby the number of duct may be changed by varying the size of said filler plates.

A pizza oven comprising a plurality of duct means for delivering hot air to bake pizzas, rotating air moving means for driving air through said duct means and onto said pizzas, motor means, indirect drive means for transferring energy from said motor means to said air moving means, whereby said oven may be adapted to accommodate worldwide commercial power differences by changing said indirect drive means, said air moving means having a first rotating shaft with a first wheel mounted thereon, said motor means having a second rotating shaft with a second wheel mounted thereon, said indirect drive means comprising means for changing the ratio of relative diameters of said first and second wheel means, continuously operating conveyor means for transporting pizzas through said oven and past said duct means, oven access plates for closing said oven above and below said conveyor to reduce an open space adjacent said conveyor to an amount of space that is required to convey a pizza through said oven or to open said space for maintenance within oven, a control cabinet on said oven with a panel having control devices mounted thereon for controlling said oven, components inside said control cabinet which may be accessed via control access panels and door means for enabling said components to be installed and removed without requiring disassembly of other component means, and access window means in front of said oven, said access window means having open and closed positions in which gravity alone holds said access window in either of two stable positions.

A baking oven comprising an oven, a substantially flat conveyor extending into one side through said oven and out the other side of said oven for continuously carrying baking objects from said one side through said oven and out the other side of aid oven, a pair of oven access panels attached to at least one end of said oven and above and below said conveyor leaving only enough room for said baking object to be carried through said oven, whereby said oven access panels may be removed to provide complete access to said oven at the end of said conveyor, an access window hinged on one side to a front of said oven for giving access at a side of said conveyor within said oven, said access window resting solely under gravity in either an open or a closed position, a control cabinet on said oven with a door having a control panel with a plurality of controls thereon, a plurality of control access panels on said control cabinet, components within said cabinet which are at locations therein where they may be installed and removed without requiring a disassembly of other components when said control access panels and said cabinet door are open, a motor in said control cabinet having a shaft with a pulley and a fan on it, impeller means in said oven and rotated via said pulley for driving air through said oven, whereby said fan and said impeller inherently either rotate or do not rotate together, sensor means in said oven for detecting a failure of said impeller to rotate, whereby said sensor means also detects a failure of said fan to rotate, and means responsive to said sensor for shutting down any heat source said oven when said fan and said impeller fail to rotate.

A baking oven comprising an oven, a substantially flat conveyor extending into one side through said oven and out the other side of aid oven for continuously carrying baking objects from said one side through said oven and out the other side of said oven, a pair of oven access panels attached to at least one end of said oven and above and below said conveyor leaving only enough room for said baking object to be carried through said oven, whereby said oven access panels may be removed to provide complete access to said oven at the end of said conveyor, an access window hinged on one side to a front of said oven for giving access at a side of said conveyor within said oven, said access window resting solely under gravity in either an open or a closed position, motor means, impeller means, means for indirectly driving said impeller means from said motor means, whereby said indirect drive may be altered to accommodate different forms of commercial power in order to provide for a world wide use of said oven, control cabinet means for a world wide use of said oven, control cabinet means for controlling said oven, said motor means being mounted in said control cabinet means, a fan mounted on and turning with a shaft of said motor, sensor means in said oven for sensing proper operation of said impeller means and therefore also sensing a proper operation of said fan, and means responsive to said sensor means for shutting down said oven if said impeller fails to deliver an air stream.