Patent ID: 7296806

Claim:
A pallet truck comprising: (a) first and second wheels connected by an axle; (b) a support mounted on said axle; (c) a console arranged on said support and having first and second sides; (d) a lifting device mounted on said axle comprising a lifting pump having a pump housing and a piston rod comprising a piston rod head projecting out of said pump housing in an upward direction, said lifting pump being arranged on said console; (e) a rod arranged on said lifting pump; (f) first and second rollers; (g) a supporting frame movably connected with said lifting device and mounted on said first and second rollers comprising first and second bearers, said first bearer comprising a first back end and a first front end, said second bearer comprising a second back end and a second front end, said first roller being arranged on said first back end and said second roller being arranged on said second back end; (h) a crossbar connecting said first and second bearers at said first and second front ends; (i) a holder frame comprising a socket provided at said first and second front ends, said socket being mounted on said piston rod head in articulated manner; (j) a two-armed linkage arranged on said first and second sides of said console, said two-armed linkage comprising first and second front arms rotatably connected with said console via respective first and second socket pins and first and second back rods pivotally connected with said first and second rollers respectively; (k) an easily releasable screw securing said piston rod head and said socket against falling out; and (1) first and second holder pins respectively securing said first and second socket pins against falling out.