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US 4,118,181 AGranted
Baking apparatus
OwnerHirosuke Onoderainventor
Life of this patent
Estimating the term…
Abstract
A baking apparatus for breads, cakes and the like includes a housing, a drum vertically and rotatably mounted within the housing, a spiral guide passage provided adjacent and along the periphery of the drum, a flexible endless belt conveyor advancing along the spiral guide passage, and heating elements disposed below and along the spiral guide passage. The flexible conveyor is ventilative and is driven by the drum which serves as a pin wheel, each pin engaging each projections provided at the inner side of the flexible conveyor.
Claims7
A baking apparatus comprising:
- a housing having an inlet and an outlet;
- a rotary drum having a vertical axis positioned within said housing, said drum being rotatable about said vertical axis;
- a plurality of equally spaced vertical rods affixed to and surrounding the circumference of said drum;
- a spiral passage spiralling upward around the outside of said drum, said passage extending from said inlet to said outlet inside said housing;
- drive means connected to said drum for rotating said drum;
- a flexible endless conveyor on said spiral passage contacting said spaced vertical rods and movable along said passage from said inlet to said outlet during rotation of said drum;
- guide roll means between said outlet and said inlet on the outside of said housing and engaging said conveyor for returning said conveyor from said outlet to said inlet;
- and
- heating means along said spiral passage inside said housing for heating the inside thereof.
6 more elements
Dependencies are inferred from the claim text.