Mobile side-reaching lifter

Claim 2

A mobile reaching lifter of the class consisting of a unitary self-propelled vehicle having a single operator''s cab thereon, comprising a chassis having a frame provided with front and rear wheels, a load-handling unit, reaching and raising means carried by the frame, for manipulating the load-handling unit, characterized in that: said reaching and raising means is mounted on the frame in a manner fixed as to direction to reach outwardly in a given direction sideways and comprises an upstanding reach link pivoted at its bottom to the frame near one side thereof, reach cylinder means for operating the reach link between reaching and retracted positions leaning respectively toward and away from said direction, a boom pivoted to the upper end of the reach link and extending out sidewise from the other side of the frame, and in lowered and retracted position extending between and nearly intermediate the front and rear wheel on said other side, lift cylinder means for raising the boom and cooperating with the reach link to give the boom a reaching action at lowered and elevated positions; the load-handling unit being carried at the end of the boom and including projecting members extending in the direction of reach and positioned at ground level in pick-up position where the boom starts to reach in lowered position to slide the projecting members under a load and which, with the boom raised and reached, extend much farther outward than in the pick-up position; and said operator''s cab having therein a seat for the operator which, at least during operation of the reaching and raising means, faces sideways in the direction the boom extends; said cab being at times straddled by the reach link and having a doorway opening sidewise of the vehicle through the reach link.

Claim 3

A mobile reaching lifter of the class consisting of a unitary self-propelled vehicle having a single operator''s cab thereon comprising a chassis having a frame provided with front and rear wheels, a load-handling unit, reaching and raising means carried by the frame, for manipulating the load-handling unit, characterized in that: said reaching and raising means is mounted on the frame in a manner fixed as to direction to reach outwardly in a given direction sideways and comprises an upstanding reach link pivoted at its bottom to the frame near one side thereof, reach cylinder means for operating the reach link between reaching and retracted positions leaning respectively toward and away from said direction, a boom pivoted to the upper end of the reach link and extending out sidewise from the other side of the frame, and in lowered and retracted position extending between and nearly intermediate the front and rear wheel on said other side, lift cylinder means for raising the boom and cooperating with the reach link to give the boom a reaching action at lowered and elevated positions; the load-handling unit being carried at the end of the boom and including projecting members extending in the direction of reach and positioned at ground level in pick-up position where the boom starts to reach in lowered position to slide the projecting members under a load and which, with the boom raised and reached, extend much farther outward than in the pick-up position; and said operator''s cab having therein a seat for the operator which, at least during operation of the reaching and raising means, faces sideways in the direction the boom extends; said cab being at times straddled by the reach link and having a doorway opening sidewise of the vehicle through the reach link; the reach link being constructed to include a step at an intermediate point of its lower portion below the doorway for entering the doorway through the reach link.

Claim 4

A mobile reaching lifter of the class consisting of a unitary self-propelled vehicle having a single operator''s cab thereon comprising a chassis having a frame provided with front and rear wheels, a load-handling unit, reaching and raising means carried by the frame, for manipulating the load-handling unit, characterized in that: said reaching and raising means is mounted on the frame in a manner fixed as to direction to reach outwardly in a given direction sideways and comprises an upstanding reach link pivoted at its bottom to the frame near one side thereof, reach cylinder means for operating the reach link between reaching and retracted positions leaning respectively toward and away from said direction, a boom pivoted to the upper end of the reach link and extending out sidewise from the other side of the frame, and in lowered and retracted position extending between and nearly intermediate the front and rear wheel on said other side, lift cylinder means for raising the boom and cooperating with the reach link to give the boom a reaching action at lowered and elevated positions; the load-handling unit being carried at the end of the boom and including projecting members extending in the direction of reach and positioned at ground level in pick-up position where the boom starts to reach in lowered position to slide the projecting members under a load and which, with the boom raised and reached, extend much farther outward than in the pick-up position; and said operator''s cab having therein a seat for the operator which, at least during operation of the reaching and raising means, faces sideways in the direction the boom extends; said cab being at times straddled by the reach link and having a doorway opening sidewise of the vehicle through the reach link; the reach link being constructed to include a step at an intermediate point of its lower portion below the doorway for entering the doorway through the reach link.

Claim 5

A mobile reaching lifter of the class consisting of a unitary self-propelled vehicle having a single operator''s cab thereon, comprising a chassis having a frame provided with front and rear wheels, a load-handling unit, reaching and raising means carried by the frame, for manipulating the load-handling unit, characterized in that: said reaching and raising means is mounted on the frame in a manner fixed as to direction to reach outwardly in a given direction sideways and comprises an upstanding reach link pivoted at its bottom to the frame near one side thereof, reach cylinder means for operating the reach link between reaching and retracted positions leaning respectively toward and away from said direction, a boom pivoted to the upper end of the reach link and extending out sidewise from the other side of the frame, and in lowered and retracted position extending between and nearly intermediate the front and rear wheel on said other side, lift cylinder means for Raising the boom and cooperating with the reach link to give the boom a reaching action at lowered and elevated positions; the load-handling unit being carried at the end of the boom and including projecting members extending in the direction of reach and positioned at ground level in pick-up position where the boom starts to reach in lowered position to slide the projecting members under a load and which, with the boom raised and reached, extend much farther outward than in the pick-up position; and said operator''s cab having therein a seat for the operator which, at least during operation of the reaching and raising means, faces sideways in the direction the boom extends; said cab being at times straddled by the reach link, the reach link extending substantially above the cab to provide a great amount of reaching action and to provide good clearance.

Claim 6

A mobile reaching lifter of the class consisting of a unitary self-propelled vehicle having a single operator''s cab thereon, comprising a chassis having a frame provided with front and rear wheels, a load-handling unit, reaching and raising means carried by the frame, for manipulating the load-handling unit, characterized in that: said reaching and raising means is mounted on the frame in a manner fixed as to direction to reach outwardly in a given direction sideways and comprises an upstanding reach link pivoted at its bottom to the frame near one side thereof, reach cylinder means for operating the reach link between reaching and retracted positions leaning respectively toward and away from said direction, a boom pivoted to the upper end of the reach link and extending out sidewise from the other side of the frame, and in lowered and retracted position extending between and nearly intermediate the front and rear wheel on said other side, lift cylinder means for Raising the boom and cooperating with the reach link to give the boom a reaching action at lowered and elevated positions; the load-handling unit being carried at the end of the boom and including projecting members extending in the direction of reach and positioned at ground level in pick-up position where the boom starts to reach in lowered position to slide the projecting members under a load and which, with the boom raised and reached, extend much farther outward than in the pick-up position; and said operator''s cab having therein a seat for the operator which, at least during operation of the reaching and raising means, faces sideways in the direction the boom extends; said cab being at times straddled by the reach link, the reach link extending substantially above the cab to provide a great amount of reaching action and to provide good clearance.

Claim 7

A mobile reaching lifter of the class consisting of a unitary self-propelled vehicle having a single operator''s cab thereon, comprising a chassis having a frame provided with front and rear wheels, a load-handling unit, reaching and raising means carried by the frame, for manipulating the load-handling unit, characterized in that: said reaching and raising means is mounted on the frame in a manner fixed as to direction to reach outwardly in a given direction sideways and comprises an upstanding reach link pivoted at its bottom to the frame near one side thereof, reach cylinder means for operating the reach link between reaching and retracted positions leaning respectively toward and away from said direction, a boom pivoted to the upper end of the reach link and extending out sidewise from the other side of the frame, and in lowered and retracted position extending between and nearly intermediate the front and rear wheel on said other side, lift cylinder means for raising the boom and cooperating with the reach link to give the boom a reaching action at lowered and elevated positions; the load-handling unit being carried at the end of the boom and including projecting members extending in the direction of reach and positioned at ground level in pick-up position where the boom starts to reach in lowered position to slide the projecting members under a load and which, with the boom raised and reached, extend much farther outward than in the pick-up position; said operator''s cab having therein a seat for the operator which, at least during operation of the reaching and raising means, faces sideways in the direction the boom extends; and a counterweight carried by the reach link in a position to swing away from the direction of reach as the reach link swings toward the direction of reach.

Claim 8

A mobile reaching lifter of the class consisting of a unitary self-propelled vehicle having a single operator''s cab thereon, comprising a chassis having a frame provided with front and rear wheels, a load-handling unit, reaching and raising means carried by the frame, for manipulating the load-handling unit, characterized in that: said reaching and raising means is mounted on the frame in a manner fixed as to direction to reach outwardly in a given direction sideways and comprises an upstanding reach link pivoted at its bottom to the frame near one side thereof, reach cylinder means for operating the reach link between reaching and retracted positions leaning respectively toward and away from said direction, a boom pivoted to the upper end of the reach link and extending out sidewise from the other side of the frame, and in lowered and retracted position extending between and nearly intermediate the front and rear wheel on said other side, lift cylinder means for raising the boom and cooperating with the reach link to give the boom a reaching action at lowered and elevated positions; the load-handling unit being carried at the end of the boom and including projecting members extending in the direction of reach and positioned at ground level in pick-up position where the boom starts to reach in lowered position to slide the projecting members under a load and which, with the boom raised and reached, extend much farther outward than in the pick-up position; said operator''s cab having therein a seat for the operator which, at least during operation of the reaching and raising means, faces sideways in the direction the boom extends; and a counterweight carried by the reach link in a position to swing away from the direction of reach as the reach link swings toward the direction of reach.

Claim 9

A mobile reaching lifter of the class consisting of a unitary self-propelled vehicle having a single operator''s cab thereon, comprising a chassis having a frame and front and rear rotary mobile support members; an upstanding reach link pivoted at its bottom to the frame near one side thereof about an axis fixedly parallel to the line of vehicle movement to give a reaching action in a sidewise direction; reach cylinder means for operating the reach link between reaching and retracted positions leaning respectively toward and away from said direction; a boom pivoted to the upper end of the reach link and extending out sidewise from the other side of the frame, and in lowered and retracted position extending near a point intermediate between the front and rear rotary mobile support members on said other side; lift cylinder means for raising the boom; said lift cylinder, boom, and reach link being constructed to give a short reaching action at a lowered position, and thereafter to follow an arc, initially steeply upward about on axis spaced beyond the boom; a load-handling unit carried at the end of the boom and including projecting members extending in the direction of reach and positioned at ground level in pick-up position where the boom starts to reach in lowered position to slide The projecting members under a load and which, with the boom raised and reached, extend much farther outward than in the pick-up position; and said operator''s cab having therein a seat for the operator which, at least during operation of the boom, faces sideways in the direction the boom extends.

Claim 10

A mobile reaching lifter of the class consisting of a unitary self-propelled vehicle having a single operator''s cab thereon, comprising a chassis having a frame and front and rear rotary mobile support members; an upstanding reach link pivoted at its bottom to the frame near one side thereof about an axis fixedly parallel to the line of vehicle movement to give a reaching action in a sidewise direction; reach cylinder means for operating the reach link between reaching and retracted positions leaning respectively toward and away from said direction; a boom pivoted to the upper end of the reach link and extending out sidewise from the other side of the frame, and in lowered and retracted position extending near a point intermediate between the front and rear rotary mobile support members on said other side; lift cylinder means for raising the boom; said lift cylinder, boom, and reach link being constructed to give a short reaching action at a lowered position, and thereafter to follow an arc, initially steeply upward about on axis spaced beyond the boom; a load-handling unit carried at the end of the boom and including projecting members extending in the direction of reach and positioned at ground level in pick-up position where the boom starts to reach in lowered position to slide The projecting members under a load and which, with the boom raised and reached, extend much farther outward than in the pick-up position; and said operator''s cab having therein a seat for the operator which, at least during operation of the boom, faces sideways in the direction the boom extends.

Claim 11

A mobile reaching lifter according to claim 5 including an operator''s cab facing sideways in the direction the boom extends, and at times straddled by the reaching link.