Oven door windows

• US 4,007,727 A
• Filed: 08/06/1975
• Issued: 02/15/1977
• Est. Priority Date: 08/06/1975
• Status: Expired due to Term

• Current Assignee: Shatterproof Glass Corp.
• Original Assignee: Shatterproof Glass Corp.
• Inventors: Krebs, Jacob
• Primary Examiner(s): Camby, John J.
• Assistant Examiner(s): Schwartz, Larry I.
• Application Number:
  US05/602,241
• Time in Patent Office: 559 Days
• Field of Search: 126/198, 126/200, 52/304, 52/616
• US Class Current: 126/200
• CPC Class Codes: F24C 15/04 with transparent panels

Abstract

An oven door comprising front and back metal door panels having a substantially rectangular central opening therein to receive a window unit for see-through into the oven compartment. The window unit comprises a substantially rectangular metal frame formed with spaced channel portions connected by an integral spacer portion, the spacer portions at the top and bottom of the frame being provided with aligned slots, and three spaced, parallel glass panels, the inner and outer glass panels being mounted in the channel portions of the frame and the center glass panel being inserted through the slots in the spacer portion. The center glass panel is supported at its lower edge and projects upwardly beyond the spacer portion at the top of the frame into the space between the front and back metal door panels.

Claims

1. An oven door, comprising a body portion having front and back metal door panels provided with a substantially rectangular opening therein, a window unit mounted in said opening including a substantially rectangular frame formed with spaced channel portions connected by an integral spacer portion, said spacer portion at the top and bottom of the frame being provided with aligned slots, three spaced, parallel glass panels, the inner and outer glass panels being fixedly mounted in said channel portions of the frame and the center glass panel being loosely inserted through the aligned slots in said spacer portion, and means for supporting said center glass panel in said slots.

2. The oven door of claim 1, including means carried by the channel portions at the bottom of the frame for supporting the center glass panel at the bottom edge thereof.

3. The oven door of claim 1, in which the center panel projects at the top and bottom thereof beyond the respective spacer portion into the space between the front and back metal door panels.

4. The oven door of claim 3, including insulating material disposed in the space between the center glass panel and back metal door panel above the window unit.

5. The oven door of claim 3, in which the body portion of the door is provided with openings at the top and bottom thereof communicating with the space between the front and back metal door panels.

6. The oven door of claim 1, including means carried by the frame for supporting the center glass panel at the bottom edge thereof.