Vehicle seat, in particular commercial vehicle seat
First Claim
Patent Images
1. A vehicle seat comprising:
- a scissors-stand including a bottom frame, a top frame arranged above the bottom frame and a pair of crossed rockers for adjusting the top frame in height relative to the bottom frame;
a seat frame;
a pivot with a pivot axis, the seat frame being connected to the scissors-stand by the pivot for seat frame inclination relative to the scissors-stand about the pivot axis;
a backrest attached to the seat frame or to the scissors-stand; and
a triple-jointed element connecting the seat frame in an articulated manner to the scissors-stand, said triple-jointed element comprising an inclination-adjusting fitting, said inclination-adjusting fitting comprising a first fitting part and a second fitting part, said first fitting part being arranged at said seat part, said first fitting part and said second fitting part being rotatable relative to one another about a rotational axis, said rotational axis being substantially perpendicular to a longitudinal direction of said seat frame.
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Abstract
A vehicle seat (1), in particular a commercial vehicle seat, is provided with a scissor-type stand (3) with a seat frame (10) that is articulated thereto by a pivoting axis (B), the seat frame being able to incline in relation to the scissor-type stand (3), and a back rest (20) that is attached to the seat frame (10). The seat frame (10) is articulated directly to the scissor-type stand (3) and is connected in an articulated manner to the scissor-type frame (3) by at least one three-hinged element.
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Citations
12 Claims
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1. A vehicle seat comprising:
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a scissors-stand including a bottom frame, a top frame arranged above the bottom frame and a pair of crossed rockers for adjusting the top frame in height relative to the bottom frame; a seat frame; a pivot with a pivot axis, the seat frame being connected to the scissors-stand by the pivot for seat frame inclination relative to the scissors-stand about the pivot axis; a backrest attached to the seat frame or to the scissors-stand; and a triple-jointed element connecting the seat frame in an articulated manner to the scissors-stand, said triple-jointed element comprising an inclination-adjusting fitting, said inclination-adjusting fitting comprising a first fitting part and a second fitting part, said first fitting part being arranged at said seat part, said first fitting part and said second fitting part being rotatable relative to one another about a rotational axis, said rotational axis being substantially perpendicular to a longitudinal direction of said seat frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A vehicle seat comprising:
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a scissors-type stand; a seat frame which is coupled to the scissors-type stand at a pivot axis and which can be adjusted in inclination relative to the scissors-type stand; a backrest which is attached to the seat frame or to the scissors-type stand, the seat frame being coupled directly to the scissors-type stand; and at least one triple-jointed element connecting the seat frame in an articulated manner to the scissors-type stand, wherein at least one inclination-adjusting fitting is provided in the triple-jointed element, said at least one inclination-adjusting fitting being arranged at said seat frame, said inclination-adjusting fitting defining an inclination-adjusting axis and said inclination-adjusting fitting being effective between the seat frame or the scissors-type stand and a link of the triple-jointed element, wherein a first lever is fastened to a fitting part of the inclination-adjusting fitting, the link being connected to the first lever in an articulated manner by means of a second joint, with the second joint coupled directly to the first lever, with respect to the inclination-adjusting axis, or arranged axially offset with respect to the first lever, said link being coupled to the scissors-type stand or to the seat frame by means of a third joint, said inclination-adjusting axis and said second joint and said third joint of the link defining the triple-jointed element, wherein at least a portion of said at least one inclination-adjusting fitting engages an inner surface of said seat frame, said inclination-adjusting fitting being rotatable about said inclination-adjusting axis.
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11. A vehicle seat comprising:
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a scissors-type stand; a seat frame which is coupled to the scissors-type stand at a pivot axis and which can be adjusted in its inclination relative to the scissors-type stand; a backrest which is attached to the seat frame or to the scissors-type stand, the seat frame being coupled directly to the scissors-type stand; and at least one triple-jointed element connecting the seat frame in an articulated manner to the scissors-type stand, wherein at least one inclination-adjusting fitting is provided in the triple-jointed element, said at least one inclination-adjusting fitting being arranged at said seat frame, said inclination-adjusting fitting defining an inclination-adjusting axis and said inclination-adjusting fitting being effective between the seat frame or the scissors-type stand and a link of the triple-jointed element, wherein a first lever is fastened to a fitting part of the inclination-adjusting fitting, the link being connected to the first lever in an articulated manner by means of a second joint, with the second joint coupled directly to the first lever, with respect to the inclination-adjusting axis, or arranged axially offset with respect to the first lever, said link being coupled to the scissors-type stand or to the seat frame by means of a third joint, said inclination-adjusting axis and said second joint and said third joint of the link defining the triple-jointed element, wherein said at least one inclination-adjusting fitting comprises another fitting part, said fitting part and said another fitting part being rotatable relative to one another, said fitting part engaging an inner surface of said seat frame, said scissors-type stand including a bottom frame and a top frame arranged above the bottom frame, said another fitting part being connected to said top frame.
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12. A vehicle seat comprising:
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a scissors-stand including a bottom frame, a top frame arranged above the bottom frame and a pair of crossed rockers for adjusting the top frame in height relative to the bottom frame; a seat frame comprising an inner surface; a pivot with a pivot axis, the seat frame being connected to the scissors-stand by the pivot for seat frame inclination relative to the scissors-stand about the pivot axis; a backrest attached to the seat frame or to the scissors-stand; and a triple-jointed element connecting the seat frame in an articulated manner to the scissors-stand, said triple-jointed element comprising an inclination-adjusting fitting, said inclination-adjusting fitting comprising a first fitting part and a second fitting part, said first fitting part engaging said seat frame, said first fitting part and said second fitting part being rotatable relative to one another about an axis substantially perpendicular to a longitudinal direction of said seat frame, at least a portion of said first fitting part engaging said inner surface, at least a portion of said first fitting part engaging at least a portion of said second fitting part.
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Specification