Extensible support leg

• US 3,164,351 A
• Filed: 01/08/1962
• Issued: 01/05/1965
• Est. Priority Date: 01/08/1962
• Status: Expired due to Term

• Current Assignee: Leo F. Rembowski
• Original Assignee: Leo F. Rembowski
• Inventors: Rembowski, Leo F.
• Application Number:
  US04/164,706
• Time in Patent Office: 1,093 Days
• US Class Current: 248/188.5
• CPC Class Codes: A47B 9/14 with pins coacting with holes
• CPC Class Codes: Y10S 285/921 Snap-fit
• CPC Class Codes: Y10T 403/32459 Retainer extends through aligned recesses

Claims

1. IN AN EXTENSIBLE LEG STRUCTURE WHEREIN UPPER AND LOWER TUBULAR LEG SECTION HAVE ADJACENT ENDS DISPOSED IN VERTICALLY OVERLAPING TELESCOPING RELATION AND CONSTITUTING OUTER AND INNER LEG SECTIONS, THE OUTER LEG SECTION HAVING A SERIES OF WALL OPENINGS SPACED THEREALONG, A RIGID POPPET ELEMENT MOVABLY MOUNTED IN AN INTERMEDIATE WALL OPENING OF THE INNER SECTION, AND A TUBULAR SLEEVE OF RESILIENTLY YIELDABLE MATERIAL DISPOSED IN SNUG FIT RELATION IN SAID INNER SECTION IN REGISTER WITH SAID WALL OPENING THEREOF TO NORMALLY BIAS SAID POPPET ELEMENT TO PROJECT PARTIALLY OUTWARDLY THEREOF FOR ENGAGEMENT WITH ANY ONE OF THE WALL OPENINGS OF SAID OUTER SECTION, SAID TUBULAR SLEEVE BEING YIELDABLE UPON MANUALLY FORCING SAID POPPET ELEMENT INWARDLY THEREAGAIST TO ACCOMMODATE INWARD MOVEMENT OF THE POPPET ELEMENT OF SUFFICIENT EXTENT TO DISENGAGE THE OUTER SECTION AND PERMIT RELATIVE SLIDING MOVEMENT BETWEEN SAID SECTIONS.