Revolving door safety system

• US 3,285,209 A
• Filed: 02/12/1965
• Issued: 11/15/1966
• Est. Priority Date: 02/12/1965
• Status: Expired due to Term

• Current Assignee: Thomas Pace
• Original Assignee: Thomas Pace
• Inventors: Pace, Thomas
• Application Number:
  US04/432,115
• Time in Patent Office: 641 Days
• US Class Current: 109/8
• CPC Class Codes: E05Y 2900/132 Doors
• CPC Class Codes: E06B 3/90 Revolving doors; Cages or housings therefor turnstiles E06B11/08

Claims

1. IN AN ENCLOSURE HAVING A REVOLVING DOOR FOR THE ENTRANCE AND EXIT OF THE GENERAL PUBLIC, A REMOTE CONTROL DOOR LOCK AND RELEASE SYSTEM COMPRISING, (A) A REVOLVING DOOR INCLUDING A CENTRAL SUPPORTING COLUMN, (B) AN ENCLOSURE ABOVE SAID DOOR AND DISPOSED TO RECEIVE AND SUPPORT THE COLUMN AT THE UPPER EXTREMITY THEREOF, (C) A SLOTTED CAM PLATE WITHIN SAID ENCLOSURE AND SUPPORTED BY SAID COLUMN AND DISPOSED TO ROTATE THEREWITH IN A PREDETERMINED POSITION, (D) MEANS INCLUDING A PAIR OF SOLENOIDALLY REMOTELY OPERATED INTERACTING ELONGATED PLUNGER MECHANISMS EACH SUPPORTED BY SAID ENCLOSURE, ONE OF SID MECHANISMS INTERCEPTING SAID CAM PLATE ALONG THE SLOTTED PORTION THEREOF IN RESPONSE TO SAID DOOR LOCK REMOTE CONTROL ACTUATING THE OTHER SOLENOID OPERATED MECHANISM TO LOCK THE DOOR IN A PREDETERMINED POSITION, SAID OTHER PLUNGER MECHANISM BEING DISPOSED TO INTERACT WITH THE FIRST PLUNGER MECHANISM IN RESPONSE TO THE DOOR RELEASE CONTROL FOR ACTUATING THE SOLENOID OF SAID FIRST PLUNGER TO PERMIT THE RELEASE OF SAID FIRST PLUNGER FROM THE SLOTTED CAM PLATE AND THEREBY UNLOCK THE DOOR TO PERMIT ANOTHER CYCLE OF OPERATION.