Patent ID: 8292367
Filing Date: 2012-10-23
Classification: B60N

Abstract:
1. A pumping device for a seat cushion of a vehicle comprising: a clutch assembly that is disposed in an outer case such that the clutch assembly is elastically rotated by operation of a handle lever, and adjusts the position of the seat cushion by transmitting power to a link assembly of the seat cushion; a brake assembly that is disposed outside the clutch assembly in the outer case and selectively locks the link assembly of the seat cushion of which the position has been adjusted, using the power transmitted from the clutch assembly; and a connecting drum that is disposed between the clutch assembly and brake assembly and transmits the power of the clutch assembly to the brake assembly; a lever bracket that is attached to the front of the outer case and connected with the handle lever, a portion of which passing through and disposed in the outer case is combined with the clutch assembly, and transmits rotational power to the clutch assembly when the handle lever is pulled up or pushed down; and a cover plate that is attached to the rear, which is open, of the outer case to seal the outer case, wherein the outer case has: