Lift arm safety bar

In a generally longitudinally disposed linkage in a loader, the combination including:

• a generally upright loader carrier frame;
• boom structure and lift rod-and-cylinder structure projecting at the end forwardly from the frame;
• said boom and cylinder structures at the projecting end being secured together by a pivotal connection therebetween at a point on the boom structure offset downwardly by an arm crook thereon and at a point on the end of the rod, and at the rear end being swingably connected to said frame in an upper portion and in a lower portion, respectively, to swing up and down substantially parallel to one another in a longitudinal vertical plane, the cylinder of said cylinder structure and the extended portion of the rod relative thereto forming an engageable notch at their external juncture;
• and
• a rigid, elongated prop between the boom and cylinder structures to hold the rod in an extended position relative to its cylinder, said prop at a free end thereof projecting rearwardly, and at a restrained end being swingably connected to the boom structure to swing from an inoperative upper position, to an operatve lower position with the restrained end retained by the swing connection projecting toward seated registry in the crook of the arm and the free end projecting toward seated registry in