Patent ID: 6904841

Claim:
A strapping machine configured to feed a strapping material around a load, position, tension and seal the strapping material around the load, the strapping machine comprising: a machine frame; a work surface for supporting the load in the strapping machine, the work surface mounted to the frame; leg assemblies mounted to the frame for supporting the work surface above a floor; a strap chute for carrying the strap around the load and for releasing the strap material from the strap chute; a feed assembly configured to convey the strap around the strap chute and to retract and tension the strap around the load; and a weld head for sealing the strap to itself, the frame being mounted to the leg assemblies by first and second height adjustment assemblies, each at the height adjustment assemblies configured to raise and lower a portion of the work surface relative to a fixed portion of the leg assemblies, each height adjustment assembly including a pair of adjusting rods lying along a respective side of the frame, the adjusting rods operably connecting the work surface and the leg assemblies at adjacent corners of the work surface, each adjusting rod being secured to the leg assemblies by a support to restrain longitudinal movement and to provide rotational freedom relative to the leg assemblies and the frame, each adjusting rod being engaged with an engaging member such that the adjusting rod moved longitudinally along the engaging member each engaging member being mounted to the leg assembly of its adjusting rod such that rotation of the adjusting rod raises or lowers the work surface relative to the leg assemblies.