Patent ID: 7593145

Claim:
A chassis shock lockup apparatus for an image scanning device, which is mounted on the outside bottom surface of a chassis and is opposite to a transmission belt that drives the chassis, and wherein the chassis shock lockup apparatus comprising: a stopping block mounted on the outside bottom surface of the chassis, which is opposite to the first side of the transmission belt; and a lockup module mounted on the outside bottom surface of the chassis, which is opposite to the second side of the transmission belt and said stopping block; said lockup module includes at least one locking unit and an elastic unit, said elastic unit assemble with said at least one lockup unit; Wherein the chassis receives momentum, said locking unit of said lockup module moves relatively toward said stopping block to nip the transmission belt and thus fixate the chassis; in such a manner, said elastic unit deforms to generate resilience and drives said locking unit back to original position when the momentum disappears.