has two sliding blocks 40 fixedly mounted to the lower end thereof the sliding blocks 40 are also mounted for sliding movement to the guide rails 39 respectively additionally the lift member 25 has a follower shaft 41 and a driving shaft 42 mounted respectively in the right and left ends thereof the shafts 41 and 42 incorporate two sprockets 43 and 44 fitted thereon respectively between which a chain 45 is fitted at tension the chain 45 is joined by chain attachments 46 to one of the sliding blocks 40 the driving shaft is driven by a motor 47 as the chain 39 is driven by the motor 47 the support arm 19 horizontally moves rightward and leftward and thus the pressing plate 5 advances to a position ralative to either of the ironing tables 4a and 4b a pair of stoppers 48 restricting the movement of the support arm 19 are mounted to both the ends of the lift member 25 while another pair of stoppers 49 49 defining the lower limit of movement of the lift member 25 are mounted in the lower back of the main body 2 as shown in fig5 a group of foot switches 50 are mounted in the lower end on the working side of the main body 2 to control the air.