| 摘要 |
A material handling vehicle (10) comprising a structure (11) having ground engageable propulsion means (12) and a material handling means comprising a boom (15) mounted on the structure (11) for raising and lowering swinging movement relative to the structure (11) and driven for said raising and lowering movement by a first drive means (17) and said boom (15) being extendable and being driven for extension or retraction by a second drive means (20) and a material handling implement (21) carried by an outer end part of said boom (15), wherein the material handling implement (21) comprises a carrier (25) and a load engageable device (30) moveable relative to the carrier (25), a first sensing means (37,38,39) to sense a first position of the device (30) relative to the carrier (25), said drive means (17,20) being responsive to the said first sensing means (37,38,39) sensing said first position to modify operation of said drive means (17,20). <IMAGE> |
