Conveyor chain link and conveyor chain comprising such a chain link and conveyor system

A conveyor chain link (1) provided with an upper body (2) and a lower body (3), where the chain link (1) is provided with an upper bearing surface (17), a front end (4) and a rear end (5), where the rear end (5) is provided with a first leg (6) and a second leg (7) arranged spaced apart from each other with a distance corresponding to the width of the front end (4), where said first leg (6) has a first protrusion (8) facing outwards from the first leg (6) and where the second leg (7) has a second protrusion (9) arranged opposite the first protrusion (8) and facing outwards from the second leg (7), where the first protrusion (8) is provided with a first through hole (10) and the second protrusion (9) is provided with a second through hole (11) being coaxial with the first through hole (10), where the lower body comprises an opening (13) adapted to hold a pivot member (12), where the first and the second through holes (10, 11) are adapted to hold a connecting pin (16), where the front end (4) of the upper body (2) is provided with a plurality of front teeth (18) and front notches (19), where the rear end (5) of the upper body (2) is provided with a plurality of rear teeth (20) and rear notches (21), where the length of the teeth (18, 20) differs over the width of the chain link (1), wherein the ratio between the width of the chain link (1) and the number of teeth (20) of the rear end (5) is less than 10 mm/tooth, and wherein the chain link (1) is symmetric to a centre plane (22) and that the chain link (1) is provided with a left section (43) and a right section (44), where the right section (44) is provided with a first front tooth (26), a second front tooth (27), a third front tooth (28) and a fourth front tooth (29).

A conveyor chain link (1) provided with an upper body (2) and a lower body (3), where the chain link (1) is provided with an upper bearing surface (17), a front end (4) and a rear end (5), where the rear end (5) is provided with a first leg (6) and a second leg (7) arranged spaced apart from each other with a distance corresponding to the width of the front end (4), where said first leg (6) has a first protrusion (8) facing outwards from the first leg (6) and where the second leg (7) has a second protrusion (9) arranged opposite the first protrusion (8) and facing outwards from the second leg (7), where the first protrusion (8) is provided with a first through hole (10) and the second protrusion (9) is provided with a second through hole (11) being coaxial with the first through hole (10), where the lower body comprises an opening (13) adapted to hold a pivot member (12), where the first and the second through holes (10, 11) are adapted to hold a connecting pin (16), where the front end (4) of the upper body (2) is provided with a plurality of front teeth (18) and front notches (19), where the rear end (5) of the upper body (2) is provided with a plurality of rear teeth (20) and rear notches (21), where the length of the teeth (18, 20) differs over the width of the chain link (1), wherein the ratio between the width of the chain link (1) and the number of teeth (20) of the rear end (5) is less than 10 mm/tooth, and wherein the chain link (1) is 83 mm wide.

A conveyor chain (60) comprising:

• a plurality of conveyor chain links (1), each of the plurality of conveyor chain links (1) comprising an upper body (2) and a lower body (3), where the chain link (1) is provided with an upper bearing surface (17), a front end (4) and a rear end (5), where the rear end (5) is provided with a first leg (6) and a second leg (7) arranged spaced apart from each other with a distance corresponding to the width of the front end (4), where said first leg (6) has a first protrusion (8) facing outwards from the first leg (6) and where the second leg (7) has a second protrusion (9) arranged opposite the first protrusion (8) and facing outwards from the second leg (7), where the first protrusion (8) is provided with a first through hole (10) and the second protrusion (9) is provided with a second through hole (11) being coaxial with the first through hole (10), where the lower body comprises an opening (13) adapted to hold a pivot member (12), where the first and the second through holes (10, 11) are adapted to hold a connecting pin (16), where the front end (4) of the upper body (2) is provided with a plurality of front teeth (18) and front notches (19), where the rear end (5) of the upper body (2) is provided with a plurality of rear teeth (20) and rear notches (21), where the length of the teeth (18, 20) differs over the width of the chain link (1), and wherein the ratio between the width of the chain link (1) and the number of teeth (20) of the rear end (5) is less than 10 mm/tooth,
• wherein:
• each conveyor chain link (1) is connected to an adjacent conveyor chain link (1) by a pivot member (12) arranged in the pivot opening (13) in the lower body (3) and a connecting pin (16) arranged through the first through hole (10), the second through hole (11), a transverse through hole of the pivot member (12), and transverse pivot openings (14) of the lower body (3);
• and
• the conveyor chain (60) has a horizontal turning radius of less than 300 mm.

A conveyor chain (60) comprising:

• a plurality of conveyor chain links (1), each of the plurality of conveyor chain links (1) comprising an upper body (2) and a lower body (3), where the chain link (1) is provided with an upper bearing surface (17), a front end (4) and a rear end (5), where the rear end (5) is provided with a first leg (6) and a second leg (7) arranged spaced apart from each other with a distance corresponding to the width of the front end (4), where said first leg (6) has a first protrusion (8) facing outwards from the first leg (6) and where the second leg (7) has a second protrusion (9) arranged opposite the first protrusion (8) and facing outwards from the second leg (7), where the first protrusion (8) is provided with a first through hole (10) and the second protrusion (9) is provided with a second through hole (11) being coaxial with the first through hole (10), where the lower body comprises an opening (13) adapted to hold a pivot member (12), where the first and the second through holes (10, 11) are adapted to hold a connecting pin (16), where the front end (4) of the upper body (2) is provided with a plurality of front teeth (18) and front notches (19), where the rear end (5) of the upper body (2) is provided with a plurality of rear teeth (20) and rear notches (21), where the length of the teeth (18, 20) differs over the width of the chain link (1), and wherein the ratio between the width of the chain link (1) and the number of teeth (20) of the rear end (5) is less than 10 mm/tooth,
• wherein:
• each conveyor chain link (1) is connected to an adjacent conveyor chain link (1) by a pivot member (12) arranged in the pivot opening (13) in the lower body (3) and a connecting pin (16) arranged through the first through hole (10), the second through hole (11), a transverse through hole of the pivot member (12), and transverse pivot openings (14) of the lower body (3);
• and
• the conveyor chain (60) has a vertical turning radius of less than 200 mm with the bearing surface (17) facing inwards towards the centre of the curvature.