| 摘要 |
Described are track fitting assemblies having a main body with at least one plunger aperture, at least one button aperture intersecting the at least one plunger aperture, and at least one disengagement recess, at least one shear plunger assembly having a plunger, a shear pin, a plunger-spring, and a button comprising a recess, and a track with a pair of lips having at least one opening. The shear plunger assembly is configured to have a disengaged position, wherein the button is extended from the main body and the shear pin is positioned within the main body, and an engaged position, wherein the button is positioned substantially flush with the main body, the recess of the button is positioned substantially flush with the disengagement recess of the main body, and the shear pin is extended from the main body and within the at least one opening. |
