Patent ID: 7422320

Claim:
A recording medium conveying device that conveys a recording medium to a recording area, comprising: a pair of first conveyor rollers that are provided upstream of the recording area and convey a recording medium by nipping the recording medium therebetween; a detector that detects a position of the recording medium; a nipping force changing unit that changes a nipping force of the pair of first conveyor rollers; and a controller that controls an operation of the nipping force changing unit in accordance with the position of the recording medium detected by the detector, wherein the nipping force changing unit includes: a cam member; a cam follower that contacts with the cam member, the cam follower including a middle piece that defines a first recessed regulating portion in which the cam is disposed, and a second recessed regulating portion in which an end portion of the arm and spring are disposed; a spring that contacts with the cam follower, the cam follower being disposed between the cam member and the spring; and an arm that includes a receive portion and a roller holder portion, the receive portion receiving a force related to a position of the cam follower via the spring, and the roller holder portion holding a one of the pair of first conveyor rollers; and a support shaft that rotatably supports the arm.