Abstract: A protective device for a universal shaft (3) has an attachment element (6), a tubular protective guard (7) and a latching device (24, 25). The attachment (6) is positioned around a shaft journal (2) projecting from a housing (1) and is attached to said housing (1). The tubular protective guard (7) extends along a longitudinal axis L and is positioned around a universal shaft (3) connected to the shaft journal (2). The latching device has at least one latching element (24) and at least one latching projection (25). The latching element (24) is arranged on either the attachment element (6) or the protective guard. The latching projection (25) is arranged on either the protective guard (7) or the attachment element (6). The latching element (24) is displaceable between a latched position and a release position. The latching element (24) is elastically formed and engages, in the latched position, behind the latching projection (25).

Abstract: A universal joint shaft protection arrangement has a protection device (3) with at least one protection cone (11) and a projection pot (6). The protection pot (6) is attached to a stationary component. The protection cone (11) at least partially accommodates the protection pot in an axially overlapping manner. At least one driver (25, 25?) is retained at the outside on the protection cone (11). The at least one driver (25, 25?) radially engages a first recess (27, 27?) in the protection cone (11) and a second recess (28, 28?) in the protection pot (6) to support the protection cone (11) and the protection pot (6) in a circumferential direction against one another. The second recess (28, 28?) is formed as a slot in the protection pot (6).

Abstract: A protective device for a universal shaft (3) has an attachment element (6), a tubular guard (7) and at least one latching device (24, 25). The attachment element (6) is positioned around a shaft journal (2) projecting from a housing (1). The tubular protective guard (7) extends along a longitudinal axis L and is positioned around a universal shaft (3) connected to the shaft journal (2). The at least one latching device (24, 25) attaches the protective guard (7) on the attachment element (6). The protective guard (7) has at least one joining lines (9, 10) extending in the longitudinal direction L. The protective guard (7) can be separated and opened to receive the universal shaft (3).

Abstract: A length adjustable lifting strut (1) for a hitch linkage of a tractor has two connection elements (11, 12) for connecting the lifting strut (1) to components (43, 44) of the hitch linkage. A fine adjustment mechanism 17 is provided on the lifting strut (1) to finely adjust the length of the lifting strut 1. A quick adjustment mechanism (21) is provided to adjust the lifting strut (1) length and is retainable in at least two discrete positions.

Abstract: The invention relates to a drive train (1; 52) between a power take-off shaft (27) of a tractor unit (26) and the gearbox (34) of a trailer vehicle (33), the drawbar of which is coupled in a bottom hitching arrangement to the hitch (28) of the tractor unit (26), wherein the drive train (1; 52) extends above the drawbar beam. Depending on the rotational speed and length of the propeller shaft, a long propeller shaft may result problems in revolution that is agitated and vibratory. The novel drive exhibits smooth running properties and allows for easy handling.

Abstract: A torque transmitting telescopic shaft (1) has an inner profile tube (2), an intermediate profile tube (3) and an outer profile tube 4. The tubes (2, 3, 4) are displaceably arranged with respect to each other for length adjustment. A connection element (5), with at least one axial elongated hole (6), is axially non-displaceably held in the intermediate profile tube (3). An engagement mechanism (7) connects with the inner profile tube (2). The engagement mechanism (7) engages the at least one axial elongated hole (6) of the connection element (5) to limit a displacement path between the inner profile tube (2) and the connection element (5).

Abstract: A torque limiting coupling rotatably arranged around a longitudinal axis A has a coupling hub (2, 102, 202), drivers (6, 106), a coupling sleeve (3, 103, 203) and a switching disk (4, 104, 204). The switching disk (4, 104, 204) is rotatably arranged between a switched-on position and an idling position relative to the coupling hub (2, 102, 202). The drivers (6, 106) engage the coupling sleeve first recesses (7, 107,207) in the switched-on position. The drivers (6, 106) engage the switching disk second recesses (8, 108, 208) in the idling position. A first spring mechanism (25, 125, 225) urges the switching disk (4, 104, 204) in the direction towards the switched-on position. A second spring mechanism (12, 112, 212) acts axially on the switching disk (4, 104, 204) and urges the drivers (6, 106) against the coupling sleeve (3, 103, 203).

Abstract: A lubricating nipple (1) to be pressed into a bore (5) of a bearing bush (7) of a universal joint has a housing with a flow-through channel (22) to receive a lubricant. A check valve (25, 26, 27) is arranged in the through-flow channel (22). A seat portion (3) positions the lubricating nipple (1) in the bore (5) in the mounted condition. A coupling portion (2) couples the lubricating nipple (1) to a lubricating device. The coupling portion (2) has a first abutment face (10) that faces the seat portion (3). The mounted lubricating nipple (1), in the pressing-in direction, is axially supported by the first abutment face (10) against the thin-walled component (7). A collar portion (4) has a second abutment face (12). The second abutment face (12) is arranged opposite to the first abutment face (10). The mounted lubricant nipple (1) can be axially supported by the second abutment face (12) against the thin-walled component (7).

Abstract: The invention relates to a drive train (1; 52) between a power take-off shaft (27) of a tractor unit (26) and the gearbox (34) of a trailer vehicle (33), the drawbar of which is coupled in a bottom hitching arrangement to the hitch (28) of the tractor unit (26), wherein the drive train (1; 52) extends above the drawbar beam. Depending on the rotational speed and length of the propeller shaft, a long propeller shaft may result problems in revolution that is agitated and vibratory. The novel drive exhibits smooth running properties and allows for easy handling.

Abstract: A hydraulic pump arrangement (1), has a hydraulic pump (2) with two flow directions. The hydraulic pump (2) has a first hydraulic port (3) and a second hydraulic port 4. A first feed line (5) and a first discharge line (6) are, both connected to the first hydraulic port (3). A second feed line (7) and a second discharge line (8), are both connected to the second hydraulic port (4). A non-return valve (9, 10, 11, 12) is arranged in each feed line (5, 7) and in each discharge line (6, 8).

Abstract: A torque transmitting telescopic shaft (1) has an inner profile tube (2), an intermediate profile tube (3) and an outer profile tube 4. The tubes (2, 3, 4) are displaceably arranged with respect to each other for length adjustment. A connection element (5), with at least one axial elongated hole (6), is axially non-displaceably held in the intermediate profile tube (3). An engagement mechanism (7) connects with the inner profile tube (2). The engagement mechanism (7) engages the at least one axial elongated hole (6) of the connection element (5) to limit a displacement path between the inner profile tube (2) and the connection element (5).

Abstract: A length adjustable lifting strut (1) for a hitch linkage of a tractor has two connection elements (11, 12) for connecting the lifting strut (1) to components (43, 44) of the hitch linkage. A fine adjustment mechanism 17 is provided on the lifting strut (1) to finely adjust the length of the lifting strut 1. A quick adjustment mechanism (21) is provided to adjust the lifting strut (1) length and is retainable in at least two discrete positions.

Abstract: A central lubrication system for lubricating a telescopic shaft (1, 101, 201) has a lubrication device (10, 110, 210) and an inner profiled tube (2, 102, 202) of the telescopic shaft (1, 101, 201). The lubrication device (10, 110, 210) is insertable into the inner profiled tube. At least one feed duct (11, 111, 211) feeds lubricant to the portions of the telescopic shaft (1, 101, 201) to be lubricated.

Abstract: In order to increase an automatic connecting speed at a torque limiting coupling, a torque limiting coupling (1) has a coupling hub (5). Driving elements (8) are adjustably held in the apertures and extend parallel to the longitudinal axis. A coupling sleeve has first recesses (23) corresponding to the apertures. A switching disc (14) is rotatably arranged between a connected position and a freewheeling position, relative to the coupling hub. The switching disc (14) can be transferred by a rolling movement of the driving elements (8) from the connected position into the freewheeling position. The switching disc (14) has second recesses (34) that engage the driving elements (8) in the freewheeling position. A first and second spring mechanism load the switching disc (14) in the circumferential and axial direction. Circumferential play (28) is formed between the driving elements (8) and the first recesses (23) in the connected position.

Abstract: A safety guard for a double universal joint (1) rotatingly arranged around an axis of rotation has a tubular protective cone (15). The cone (15) has a connection mechanism to non-rotationally connect the protective cone (15) to a drive shaft guard of a shaft connected to the double universal joint (1). A sliding ring (16) rotatingly supports the safety guard on the double universal joint (1). It is non-rotationally connected to the protective cone (15). An adaptor ring (22) is non-rotationally connected to the protective cone (15). A boot (23) is non-rotationally connected to the adaptor ring (22). The boot (32) has a connection mechanism to non-rotationally connect the boot (23) to a stationary component.

Abstract: A connection arrangement between a feed roller and a gearbox of a field chopper has a first shaft (25) with a central bore (26) that is rotatingly supported around an axis of rotation D, in a gearbox housing (30). A second shaft (32) is connected to a feed roller. The second shaft (32) is rotatingly supported around the axis of rotation D. The second shaft (32) has a central bore (33) that is aligned with the central bore (26) of the first shaft (25). A connecting journal (37) rests in the central bore (26) of one of the two shafts (25). The connecting journal (37) is form-fittingly connected to the central bore for torque transmission. It is axially displaceable along the axis of rotation D between a connected position where it is inserted into the central bore (33) of the other of the two shafts (32), and a released position, where it is pulled out of the central bore (33) of the other of the two shafts (32).

Abstract: A device for coupling a universal joint shaft to a power take-off shaft (1) of a tractor has a first coupling mechanism (48) that is non-rotatably arranged on the universal joint shaft. A second coupling mechanism (17) is non-rotatably arranged on the power take-off shaft (1) of the tractor. The first and second coupling mechanisms can be non-rotatably coupled to transmit torque. A coupling shield (7) is provided to couple the coupling mechanism (17, 48). The first coupling mechanism (48) is at least indirectly rotationally supported on the coupling shield (7). A locking mechanism (58, 58?) projects from the coupling shield (7). A bracket (2) is attachable on the rear of the tractor. The bracket (2) has at least one locking device (5, 5?) that is displaceable between an unlocked position and a locked position. The locking device (5, 5?) is displaced from the unlocked position into the locked position.

Abstract: A drive arrangement for an agricultural machine, especially a field chopper, has a motor driven gearbox (3) that is connectable at a drive-end to at least one drive motor (1). At least one first hydraulic pump (8, 8?) is provided to feed at least one hydraulic motor (14), (17) to drive a working mechanism of a machine. A belt pulley (4) of a belt drive (5), especially for driving a chopper drum (10), is coupled with the gearbox (3). A release clutch (7), with an input-side first clutch element (36) and an output-side second clutch element (37), is also coupled with the gearbox (3). The first clutch element (36) is drivingly connected to the motor driven gearbox (3). The second clutch element (37) is drivingly connected to the belt pulley (4). The second clutch element (37) is non-rotationally connected to a drive shaft (38) to drive the at least one first hydraulic pump (8, 8?).

Abstract: An agricultural machine, especially a field chopper, has a carrier vehicle (28) with an intake unit (18) mounted on and arranged to the carrier vehicle (28). The intake unit has an intake gearbox (19) and at least one feed roller (21, 21?; 24, 24?) to guide the harvested goods to a chopper drum (10). The intake gearbox (19) is drivingly connected to that at least one feed roller (21, 21?; 24, 24?). The intake unit (18) is at least partially detachably attached to the carrier vehicle (28). A hydraulic motor (17) is mounted on and arranged to the carrier vehicle (28). The hydraulic motor (17) drives the intake gearbox (19). The hydraulic motor (17) has a drive shaft (40) that is detachably and drivingly connected to an input shaft of the intake gearbox (19).

Abstract: A lubricating nipple (1) to be pressed into a bore (5) of a bearing bush (7) of a universal joint has a housing with a flow-through channel (22) to receive a lubricant. A check valve (25, 26, 27) is arranged in the through-flow channel (22). A seat portion (3) positions the lubricating nipple (1) in the bore (5) in the mounted condition. A coupling portion (2) couples the lubricating nipple (1) to a lubricating device. The coupling portion (2) has a first abutment face (10) that faces the seat portion (3). The mounted lubricating nipple (1), in the pressing-in direction, is axially supported by the first abutment face (10) against the thin-walled component (7). A collar portion (4) has a second abutment face (12). The second abutment face (12) is arranged opposite to the first abutment face (10). The mounted lubricant nipple (1) can be axially supported by the second abutment face (12) against the thin-walled component (7).