lever arm rotation the second connector portion has an outwardly projecting follower pin which follows the cam groove to draw the connector portions into mating engagement when the lever arm is rotated with the pin engaged in the cam groove the lever arm also has a flange portion and the second connector portion has a cover portion which overlies at least a part of the outwardly facing side of the flange portion of the lever arm when the lever arm is rotated with the pin engaged in the cam groove thereby preventing the lever arm from moving outwardly along its axis of rotation application_number US 64429500 A description in the embodiment as shown in fig1 the lever type electrical connector has a female housing 20 i e a first connector portion and a male housing 10 i e a second connector portion to be fitted to the female housing 20 the terms u201c male u201d and u201c female u201d refer to the forms of the terminals housed in the housings see below the male housing 10 is in this embodiment installed on a printed wiring board not shown as shown in fig1 and 2 the male housing 10 has a rectangular body plate 11 extending from side to side and a hood part 12 which is approximately rectangular in shape a plurality of.