Patent ID: 7856696
Filing Date: 2010-12-28
Classification: A01M,Y10T

Abstract:
1. A boom hinge apparatus comprising: a base portion having a first end, a second end, and a first pin located proximate to said second end; a tip portion having a first end and a second end; a catch element attached to the second end of the tip portion having a u-shaped cutout and a circular opening; and a link element having a first end, a second end, and a u-shaped cutout and second pin proximate to said second end, wherein said first end of the link element is rotatably connected to the base, wherein the u-shaped cutout on the catch element couples with the u-shaped cutout on the link element and the second pin on the link element rotates inside the circular opening on the catch element and engage the first pin when the second end of the tip is rotated into a position adjoining the second end of the base portion.