Abstract: This document discloses a row unit (2) for feeding granular material to the ground. The row unit has a seed furrow-opener, which has a seed furrow-opening arm (21) carrying a seed disc (22). The seed furrow-opening arm has a proximal portion, in which the seed furrow-opening arm is pivotable about a first geometrical axis (Rb) and a distal portion, to which the seed disc is rotatably attached. The row unit has a depth regulator, which has a depth-regulating arm (31) carrying a gauge wheel (32). The depth-regulating arm (31) is pivotable about a second geometrical axis (Ra) which is concentric with a centre of rotation for the seed disc. The row unit comprises a first adjusting device for setting the height of the gauge wheel (32) in relation to the seed disc (22).

Abstract: A method and system for calibrating the feed rate of a metering device for airflow-borne feeding of granular material in an agricultural implement. The method of calibrating the feed rate of the metering device comprises a first volumetric feeder with a first metering rotor arranged to feed granular material to an airflow channel.

Abstract: This document sets out a method of adjusting an agricultural implement's orientation. The method comprises recording, while the agricultural implement is travelling, a series of orientation values corresponding to the orientation of the agricultural implement in at least one vertical plane, calculating a derived orientation value based on said series of values and, if the derived orientation value is outside a predetermined range, adjusting a mutual position relationship between at least two parts of the agricultural implement that can move relative to each other.

Abstract: The document discloses a disc tool (1) for breaking up field residues, comprising a central hub portion (10), which is designed for mounting the disc in a tool holder in order to make the disc rotatable about a rotation axis (Ar), a cultivating portion (11), which is located radially outside of and adjoins the hub portion (10), and a plurality of substantially straight cutting edges (E1, E2) which are located at the periphery of the disc tool. The cultivating portion (11) has a plurality of undulations (111, 112) which, with an axial extent decreasing toward the inside, run from the cutting edges (E1, E2) to the hub portion (10). The cutting edge (LE1, E2) is designed such that 90-98% of a track formed by the cutting edge consists of straight track portions. The document further discloses an agricultural implement with such disc tools, the use of such an agricultural implement, and a method for manufacturing such a disc tool.

Abstract: A disc device for an agricultural machine includes at least one disc implement, an arm, at one end of which the implement is journalled in bearings at an axle, and a bearing, which is arranged at the opposite end of the arm and is adapted to be fastened at a transverse beam on the frame of the agricultural machine. The disc device includes in the circumference direction of the disc implement mainly equally distributed, freestanding, out towards the periphery radially extending, protruding parts, wherein each protruding part has an outer edge, which extends in the range 15-75 degrees in relation to the plane of the disc implement.

Abstract: A method and system for calibrating the feed rate of a metering device for airflow-borne feeding of granular material in an agricultural implement. The method of calibrating the feed rate of the metering device comprises a first volumetric feeder with a first metering rotor arranged to feed granular material to an airflow channel.

Abstract: An agricultural implement comprising a first frame section, a portion which is moveable relative to the first frame section, and an actuator for controlling a relative movement between the first frame section and the portion. The agricultural implement has a first sensor arranged to provide a first value corresponding to the angle of the first frame section relative to a predetermined reference plane or a predetermined reference direction, and a second sensor arranged to provide a second value corresponding to the angle of the portion relative to the predetermined reference plane or the predetermined reference direction. The reference plane or reference direction is defined in relation to a direction of gravity.

Abstract: This document sets out a method of adjusting an agricultural implement's orientation. The method comprises recording, while the agricultural implement is travelling, a series of orientation values corresponding to the orientation of the agricultural implement in at least one vertical plane, calculating a derived orientation value based on said series of values and, if the derived orientation value is outside a predetermined range, adjusting a mutual position relationship between at least two parts of the agricultural implement that can move relative to each other.

Abstract: The invention refers to a Holder having grip means for a detachable tablet computer or the like with a screen, said holder having a frame, which comprise holder means for reception of said tablet computer. The holder is provided for controlling a machine and comprises a hand grip side or hand grip side portion with buttons or sensors, which are provided for operating a machine by means of said tablet computer mounted thereon and which are able to be activated through finger touch/contact of said holder in order to communicate with certain functions of said tablet computer and/or of the machine which it is arranged to control. Said machine could be an agricultural implement, like a seed drill or the like.

Abstract: The present document discloses an agricultural implement comprising a first frame section (10), a portion (11a, 11b, 12a, 12b), which is moveable relative to the first frame section, and an actuator (15a, 15b, 16a, 16b, 215) for controlling a relative movement between the first frame section (10) and the portion (11a, 11b, 12a, 12b). The agricultural implement has a first sensor (20, 220), arranged to provide a first value corresponding to the angle of the first frame section relative to a predetermined reference plane or a predetermined reference direction, and a second sensor (21, 22), arranged to provide a second value corresponding to the angle of the portion relative to the predetermined reference plane or the predetermined reference direction. Said reference plane or reference direction is defined in relation to a direction of gravity.

Abstract: A suspension unit for an agricultural implement, the suspension unit includes a bearing unit. The bearing unit contains an inner sleeve and an outer sleeve which is rotatable relative to said inner sleeve, and a friction-reducing member arranged between the inner sleeve and the outer sleeve. The suspension unit further includes a spring element, arranged radially outside the outer sleeve, and a holder which forms a spring chamber in which the spring element is accommodated. The spring element is fixed in the spring chamber between a circumferential, radially outwardly open groove, which is integrated with the outer sleeve, and a radially inwardly open groove, which surrounds the outer sleeve.

Abstract: The invention refers to a Holder having grip means for a detachable tablet computer or the like with a screen, said holder having a frame, which comprise holder means for reception of said tablet computer. The holder is provided for controlling a machine and comprises a hand grip side or hand grip side portion with buttons or sensors, which are provided for operating a machine by means of said tablet computer mounted thereon and which are able to be activated through finger touch/contact of said holder in order to communicate with certain functions of said tablet computer and/or of the machine which it is arranged to control. Said machine could be an agricultural implement, like a seed drill or the like.

Abstract: A disc device for an agricultural machine includes at least one disc implement, an arm, at one end of which the implement is journalled in bearings at an axle, and a bearing, which is arranged at the opposite end of the arm and is adapted to be fastened at a transverse beam on the frame of the agricultural machine. The disc device includes in the circumference direction of the disc implement mainly equally distributed, freestanding, out towards the periphery radially extending, protruding parts, wherein each protruding part has an outer edge, which extends in the range 15-75 degrees in relation to the plane of the disc implement.

Abstract: The invention relates to a roller cylinder (1) comprising band rings (6) which are attached to a center axis (17, 17a, 17b). The roller cylinder comprises at least two band ring segments (14, 14a, 14b) consisting of an outer, substantially circular portion (15), an inner portion (16) and a radial portion (18) extending substantially radially between the inner and outer portions, said inner portions of the band ring segments being fixed by means of fastening means, such as screws (19, 20, 19a, 20a, 21a, 19b, 20b, 21b), to the center axis and abut the center axis at least at the attachment points of the fastening means between the inner portion of the band ring segments and the center axis. The invention also relates to a band ring segment included in a roller cylinder provided with band rings.

Abstract: The invention refers to a disc (8) for an agricultural implement (1) comprising an annular, outside a predetermined center diameter (D) defined, soil-cultivating portion (44), a central, inside a predetermined center diameter (d) defined, dish-shaped portion (43), with a boss-receiving, inner side and between these portions an existing, annular connection portion (45) with fastening screw holes (46). The connection portion (45) is a truncated conical portion, the inner mantle surface of which is mainly straight or double-bowed with the convex side facing said inner side and a line through the opening plane in the hole opening of each fastening screw hole on said inner side forms an angle ? with a plane that is perpendicular to the center line of the disc, wherein the angle ? is 5°-10°.

Abstract: The present document shows a suspension unit for an agricultural implement, comprising a bearing unit. The bearing unit contains an inner sleeve and an outer sleeve which is rotatable relative to said inner sleeve, and a friction-reducing member arranged between the inner sleeve and the outer sleeve. The suspension unit further comprises a spring element, arranged radially outside the outer sleeve; and a holder which forms a spring chamber in which the spring element is accommodated. The spring element is fixed in the spring chamber between a circumferential, radially outwardly open groove, which is integrated with the outer sleeve, and a radially inwardly open groove, which surrounds the outer sleeve.

Abstract: An agricultural machine (101; 201; 301) comprising two mainly parallel, in the direction of travel, cross-running disc implement rows (102a, 102c; 202a, 202b; 304a, 304b), wherein the orientation of the disc implements (102b, 102d; 203a, 203b; 302a, 302b) contained in the mentioned disc implement rows is arranged so that the fore row (102a; 202a; 304a) has disc implements that are mounted on a frame beam (110; 211; 303) and that are angled outwards and backwards towards the sides of the machine and in a dividing line mainly parallel to the direction of travel of the machine form a first point of change (208a, 304c), and the rear row (102c, 202b; 304b) has disc implements (102d; 203b; 302b) that are mounted on a frame beam (110; 211; 303) and that are angled inwards and backwards from the sides of the machine and in the dividing line form a second point of change (208b, 304a), wherein the fore row is adapted to throw soil from the first point of change outwards towards the sides of the machine and the other ro

Abstract: The invention refers to a method at a seed drill (1) or a planter for placing seeds (27) in the soil. According to the invention the steps executed are that each seed fed out is detected, its placement site in the soil is determined through detection and at least one compound (26, 28) is placed intermittently at at least one predetermined placement site in relation to the specific placement site of each seed. The invention also refers to a device (4) for execution of the method.

Abstract: The invention relates to a roller cylinder (1) comprising band rings (6) which are attached to a centre axis (17, 17a, 17b). The roller cylinder comprises at least two band ring segments (14, 14a, 14b) consisting of an outer, substantially circular portion (15), an inner portion (16) and a radial portion (18) extending substantially radially between the inner and outer portions, said inner portions of the band ring segments being fixed by means of fastening means, such as screws (19, 20, 19a, 20a, 21a, 19b, 20b, 21b), to the centre axis and abut the centre axis at least at the attachment points of the fastening means between the inner portion of the band ring segments and the centre axis. The invention also relates to a band ring segment included in a roller cylinder provided with band rings.