Mounting mechanism for sectional metal door frames

• US 3,222,833 A
• Filed: 08/08/1963
• Issued: 12/14/1965
• Est. Priority Date: 08/08/1963
• Status: Expired due to Term

• Current Assignee: Harold L. Woodrum
• Original Assignee: Harold L. Woodrum
• Inventors: Woodrum, Harold L.
• Application Number:
  US04/300,732
• Time in Patent Office: 859 Days
• US Class Current: 52/211
• CPC Class Codes: E06B 1/6015 Anchoring means E06B1/6007, E06B1/6046 - E06B1/6092 take precedence
• CPC Class Codes: E06B 3/9885 Mitre joints
• CPC Class Codes: F16B 2200/65 Miter joints
• CPC Class Codes: Y10T 403/555 Angle section

Claims

1. A SECTIONAL METAL DOOR FRAME ADAPTED TO BE MOUNTED IN THE DOOR OR WINDOW OPENING OF A WALL COMPRISING:

A HEADER ADAPTED TO BE MOUNTED IN A HORIZONTAL POSITION ACROSS THE TOP OF SAID OPENING, SAID HEADER BEING GENERALLY CHANNEL-SHAPED IN CROSS SECTION PROVIDING A WEB AND A PAIR OF LIMBS ADAPTED TO EMBRACE THE WALL SURFACE ON OPPOSITE SIDES OF THE OPENING;

A PAIR OF JAMBS ADAPTED TO BE MOUNTED IN VERTICAL POSITION ALONG OPPOSITE SIDES OF SAID DOOR OPENING, SAID JAMBS BEING GENERALLY CHANNEL-SHAPED IN CROSS SECTION PROVIDING A WEB AND A PAIR OF LIMBS ADAPTED TO EMBRACE THE OPPOSTIE SIDES OF THE WALL ADJACENT THE OPENING;

THE ADJOINING ENDS OF THE LIMBS OF SAID HEADER AND JAMB BEING MITERED TO INTERFIT ONE ANOTHER UPON INSTALLATION IN THE DOOR OPENING;

A TONGUE PROJECTING UPWARDLY FROM THE WEB OF EACH OF SAID JAMBS AT THE METERED END THEREOF;

RESPECTIVE APERTURES FORMED IN THE OPPOSITE END PORTIONS OF THE WEB OF SAID HEADER ADJACENT THE MITERED ENDS THEREOF, SAID APERTURES ADAPTED TO RECEIVE SAID TONGUES TO PROVIDE A PIVOTAL CONNECTION BETWEEN THE HEADER AND JAMBS, ADAPTING EACH JAMB TO BE