Patent ID: 11965365
Assignee: D. LA PORTE SÖHNE GMBH
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A vehicle lock for locking doors or hatches of motor vehicles, in particular of the doors or the hatches of agricultural machines including tractors, or of construction machines, comprising
a lock case,
a rotary latch, rotatably supported in the lock case, for gripping and retaining a locking bolt in a pre-latching position or in a final latching position,
a drive wheel rotatably supported in the lock case, interlocked with the rotary latch,
a locking pawl, disposed in the lock case, for locking the drive wheel, and via the drive wheel, the rotary latch interlocked with the drive wheel in the pre-latching position or the final latching position,
a closing device, to which the rotary latch is drivably connected rotatably in a rotary-latch closing direction from the pre-latching position into the final latching position, wherein
the drive wheel is connected directly to the closing device drivably in a drive-wheel closing direction, and a rotation of the drive wheel in the drive-wheel closing direction effects a rotation of the rotary latch in the rotary-latch closing direction,
the closing device includes a drive motor and a transmission disposed between the drive motor and the drive wheel, wherein the transmission includes at least first and second transmission stages each including a planetary transmission, and
the first and the second planetary transmissions each include a ring gear, a planetary carrier, a plurality of planetary gears, and a sun gear, wherein the ring gear of a first transmission stage is unrotatably connected to the lock case about a transmission central axis.