Grapple construction

• US 3,161,309 A
• Filed: 05/23/1960
• Issued: 12/15/1964
• Est. Priority Date: 05/23/1960
• Status: Expired due to Term

• Current Assignee: Arnold C. Petersen, George J. Baudhuin
• Original Assignee: Arnold C. Petersen, George J. Baudhuin
• Inventors: Baudhuin, George J., Petersen, Arnold C.
• Application Number:
  US04/030,947
• Time in Patent Office: 1,667 Days
• US Class Current: 414/459
• CPC Class Codes: B66C 1/223 for containers
• CPC Class Codes: B66C 19/007 for containers

Claims

10. IN A LOAD HANDLING APPARATUS, A STRADDLE TYPE VEHICLE HAVING A PAIR OF SPACED PARALLEL GANTRY FRAMES OF INVERTED U-SHAPE, WHEELS SUPPORTING THE FRAMES FOR MOVEMENT OVER THE GROUND, A HORIZONTALLY ELONGATED GRAPPLE FRAME, MEANS SUPPORTING THE GRAPPLE FRAME ON THE GANTRY FRAMES FOR VERTICAL MOVEMENT RELATIVE THERETO, TWO PAIRS OF GRAPPLE ARMS MOUNTED RESPECTIVELY ADJACENT TO OPPOSITE ENDS OF THE GRAPPLE FRAME, THE ARMS OF EACH PAIR LYING IN A PLANE TRANSVERSE TO THE GRAPPLE FRAME LENGTH, MEANS PIVOTALLY MOUNTING ONE END OF EACH GRAPPLE ARM OF EACH PAIR AT AN OPPOSITE SIDE OF THE GRAPPLE FRAME ON AN AXIS PARALLEL TO THE LENGTH OF THE GRAPPLE FRAME AND TRANSVERSE TO SAID PLANES FOR PIVOTAL MOVEMENT OF THE GRAPPLE ARMS OF EACH PAIR IN ONE OF SAID PLANES TOWARD AND AWAY FROM EACH OTHER TO ENGAGE AND RELEASE A LOAD, MEANS MOUNTING THE GRAPPLE ARMS OF EACH PAIR ON THE GRAPPLE FRAME FOR MOVEMENT ABOUT A HORIZONTAL AXIS TRANSVERSE TO THE GRAPPLE FRAME LENGTH AND PARALLEL TO SAID PLANES FOR MOVEMENT FROM A VERTICAL POSITION DEPENDING FROM THE PIVOTAL MOUNTING MEANS TO A HORIZONTAL POSITION SUBSTANTIALLY AT THE LEVEL OF THE GRAPPLE FRAME FOR MOVEMENT OVER A LOAD, POWER MEANS TO SWING THE GRAPPLE ARMS