DRIVE GEAR ASSEMBLY FOR A DETACHABLE ROLL

• Main Authors: COUMANS, Bart J.M, PEREZ MUNOZ, Juan C, WIND, Anne A, SCHULKES, Joseph A
• Format: Patent
• Language: English; French; German
• Published: 27.11.2019
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

A drive gear assembly for a roll (10) that is detachably supported in a machine body (14), the assembly comprising a drive gear (22) mounted for a rotation about a stationary axis in the machine body (14), a driven gear (24) mounted on an end portion of the roller (10), and a bearing (12) formed in the machine body (14) for supporting said end portion in an operative position in which the drive gear (22) meshes with the driven gear (24), the assembly further comprising by a safety cover (30) that is pivotally supported on the machine body (14) to be movable between an active position in which it covers at least a part of the periphery of the driven gear (24), except a portion where the drive gear (22) meshes with the driven gear (24), and an open position in which it permits an insertion of the end portion of the roll (10) into the bearing (12), the cover (30) being elastically biased into the open position and having an engagement surface (36, 38) arranged to be engaged by at least one of the roll (10) and the driven gear (24) for holding the cover (30) in the active position as long as the roll (10) is in the operative position.