Hand truck
AssigneeMagline, Inc.
InventorsStewart A. Burton, David Simonelli, Michael O'Hare, David Beckstrom, Albert V. Yannella
Life of this patent
Estimating the term…
Abstract
A hand truck for carrying and lifting a load comprising spaced vertical columns each having a channel. Rollers are captured in each of said channels that are capable of vertical movement along its respective channel. A first toe plate is affixed to said columns and adapted to extend horizontally during use. A second toe plate is attached to the rollers and adapted to move vertically along said columns between upper and lower positions. The first and second toe plates are in nesting relationship when the second toe plate is in its lower position.
Claims16
A hand truck for carrying and lifting a load comprising:
- spaced vertical columns each having a channel and a middle column;
- rollers captured in each of said channels capable of vertical movement along a said respective channel:
- a first toe plate affixed to said columns and adapted to extend horizontally during use;
- a second toe plate adapted to move vertically along said columns between upper and lower positions;
- said first and second toe plates being in nesting relationship with each other when said second toe plate is in its lower position;
- a lifting toe plate backplate, said second toe plate being secured to said lifting toe plate backplate:
- a yoke to which said lifting toe back plate is secured, said rollers extending from said yoke:
- a lead screw received in said middle column,
- a lifting bracket attached to said yoke, said lifting bracket being attached by a nut to said lead screw so that upon rotation of said lead screw, said second toe plate is moved vertically along said columns.
Dependencies are inferred from the claim text.