High lift mounting means for loader buckets

A construction vehicle comprising

• a frame,
• a work tool, and
• mounting means mounting said work tool on said frame for selectively moving said work tool substantially vertically between lowered and raised positions on said vehicle comprising
• first lift arm means having a first end thereof pivotally mounted on said frame,
• extensible and retractable actuating means interconnected between said frame and said first lift arm means for selectively raising and lowering said first lift arm means,
• second lift arm means having a first end thereof pivotally connected to a second end of said first lift arm means,
• third lift arm means having a first end thereof pivotally connected to a second end of said second lift arm means and having a second end thereof connected to said work tool, and
• linkage means pivotally interconnected between said frame and said first, second and third lift arm means for expanding said mounting means from a collapsed condition on said vehicle in response to extension of said actuating means to raise said first lift arm means,
• said third lift arm means resting directly upon said first lift arm means when said mounting means is in its collapsed condition and wherein said linkage means begins separating said first and third lift arm means from each other when said first lift arm means is disposed approximately horizontally upon raising thereof by said actuating means.