Quick release pin

• US 3,192,820 A
• Filed: 01/16/1961
• Issued: 07/06/1965
• Est. Priority Date: 01/16/1961
• Status: Expired due to Term

• Current Assignee: Kenneth H. Pitzer
• Original Assignee: Kenneth H. Pitzer
• Inventors: Pitzer, Kenneth H.
• Application Number:
  US04/082,944
• Time in Patent Office: 1,632 Days
• US Class Current: 411/33
• CPC Class Codes: F16B 13/065 fastened by extracting the screw, nail or the like
• CPC Class Codes: Y10T 279/1045 Internal cone

Claims

1. A QUICK RELEASE PIN DEVICE WHICH COMPRISES A PIN, A RADIALLY EXPANSIBLE BUSHING MOUNTED ON SAID PIN, A FIRST MEMBER CONNECTED TO ONE END OF SAID PIN AND ABUTTING ONE END OF SAID BUSHING, THE DIAMETER OF SAID FIRST MEMBER BEING NO GREATER THAN THE DIAMETER OF SAID BUSHING IN EXPANDED POSITION, SAID BUSHING AT SAID ONE END THEREOF HAVING A SURFACE OUTWARDLY INCLINED FROM SAID FIRST MEMBER, A RADIALLY EXPANSIBLE RING MOUNTED ON SAID INCLINED SURFACE, A SECOND MEMBER SLIDABLY MOUNTED ON SAID PIN ADJACENT THE OTHER END OF SAID BUSHING, AND MEANS CONNECTED TO SAID PIN FOR APPLYING PRESSURE AGAINST SAID SECOND MEMBER AND AGAINST SAID OTHER END OF SAID BUSHING, TO THEREBY COMPRESS SAID BUSHING BETWEEN SAID MEMBERS AND CAUSE RADIAL EXPANSION OF SAID BUSHING AND RADIAL EXPANSION OF SAID RING ALONG SAID INCLINED SURFACE.