Patent ID: 6019332
Filing Date: 2000-02-01
Classification: A47B,F16M,G06F,Y10S

Abstract:
A pivot ratchet system comprising:a. a U-shaped bracket, said bracket having a first end and a second end, with a first ratchet array at said first end and a second ratchet array at said second end;b. a first pivot stud adjacent said first end and a second pivot stud adjacent said second end;c. a UHMWPE washer over each of said pivot studs;d. a first angled bracket over said first pivot stud and a second angled bracket over said second pivot stud and each of said pivot studs having a washer, a thrust washer, and a nut;e. a body member, said body member having a first pair of opposing tabs at a first end of said body member and said body member having a second set of opposing tabs at a second end of said body member;f. a first roll pin extending through said first pair of opposing tabs and a second roll pin extending through said second pair of opposing tabs; andg. a pivot pin defining a pivot axis, said pivot pin extending through one of said first pair of opposing tabs, one of said second pair of opposing tabs, said first angle bracket, and said second angle bracket, whereby said body member is capable of pivoting relative to said angled brackets about said pivot axis such that said first and second roll pins may be respectively reversibly engaged in said first and second ratchet arrays.