Patent ID: 6131634
Filing Date: 2000-10-17
Classification: B65B,Y10T

Abstract:
A portable strapping apparatus comprising a base plate on which a motor, a transmission mechanism, a welding mechanism, a handle and a tensioning wheel are mounted; said motor driving the transmission mechanism to govern the operation of the tensioning wheel and the welding mechanism, and said handle moving a front and a rear pawl to locate the strapping band; and characterized in that said tensioning wheel is coupled with said transmission mechanism through a unidirectional bearing and is provided on the outer wall with a plurality of slots that allow strapping bands passing through, and in that a presser roller pressing against the outer wall surface of the tensioning wheel is connected to a spring mounted over a rod of the base plate and delivers the elastic force of the spring to the tensioning wheel; the middle segment of said spring lying on the slant face of a raised block of a link, the link being pivoted on one end to the upper portion of the rear pawl.