Pneumatic setting arrangement for a type head

Claim 2

Setting arrangement for a type carrier, comprising, in combination, casing means forming a guideway; a series of pairs of alternate cylinders and pistons, the first cylinder of said series being secured to one end of said guideway, and the other cylinders being slidably guided in said guideway and having end walls, said pistons being slidably guided in said cylinders, respectively, for movement between a contracted position abutting one end wall of the respective cylinder for placing the respective pair in a contracted position, and an expanded position abutting the other end wall of the respective cylinder for placing the respective pair in an expandeD position, each piston having a piston portion projecting out of the other end wall of the respective cylinder and cooperating with said one end wall of the adjacent cylinder, said pistons and cylinders of said pairs in said expanded positions being spaced from each other different distances selected in accordance with a code; a series of fluid-operating means respectively connected with said cylinders for moving selected pistons to said expanded position and other selected pistons to said contracted position, and for moving said cylinders into abutment with said piston portions of adjacent pairs so that the last piston of said series is displaced relative to said first cylinder of said series a distance which is the total of the distances of expansion of selected pairs; selector means for actuating selected fluidoperating means; control means movable in opposite directions and connected with said last piston to be moved by the same between a series of control positions; and a type carrier operated by said control means to move between printing positions when said control means moves between said control positions.

Claim 3

Setting arrangement as claimed in claim 1 wherein each piston forms in the respective cylinder two chambers on opposite sides thereof; and wherein said series of fluid operating means includes a series of reversible fluid supply and discharge means respectively connected with said chambers of the respective cylinder and piston pair for moving the pistons therein between said contracted and expanded position and for urging the respective cylinder into abutment with said piston portion of the adjacent piston of the preceding cylinder and piston pair.

Claim 4

Setting arrangement as claimed in claim 1 wherein each cylinder and piston defines an expansible and contractable chamber; wherein each operating means includes conduit means for supplying pressure air to, and for exhausting air from the respective associated chamber; and wherein said selector means include valve means in said conduit means.

Claim 5

Setting arrangement as claimed in claim 1 wherein said control means include a control element connected with said last piston, and transmission means for transforming the movement of said control element into a rotary motion of said type carrier so that the same is turned between angularly displaced printing positions.

Claim 6

Setting arrangement as claimed in claim 1 wherein said control means include a control element connected with said last piston and means connecting said control element with said type carrier for up and down movement so that said type head is raised and lowered between printing positions.

Claim 7

Setting arrangement as claimed in claim 1 wherein each piston forms in the respective cylinder two chambers on opposite sides thereof; and wherein said series of fluid-operating means includes a series of reversible fluid supply and discharge means respectively connected with said chambers of the respective cylinder and piston pair for moving the pistons therein between said contracted and expanded position and for urging the respective cylinder into abutment with said piston portion of the adjacent piston of the preceding cylinder and piston pair; wherein said series of operating means includes a series of pairs of conduits connected with the respective cylinders on opposite sides of the respective piston; and wherein said selector means include a series of valve means, and pressure and suction lines connected with each valve means, each valve means controlling a pair of said conduits and having a first position for supplying pressure fluid through one conduit and for exhausting fluid through the other conduit of selected pairs, and a second position for supplying pressure fluid to said other conduit and for exhausting fluid through said one conduit of other pairs of cylinders and pistons.

Claim 8

Setting arrangement as claimed in claim 6 wherein said pressure lines supply compressed air so that said piston and cylinders are pneumatically operatEd.

Claim 9

Setting arrangement as claimed in claim 6 wherein said printing positions are associated with different characters; wherein said selector means comprise a plurality of key means associated with said characters, each key means having actuating projections spaced in accordance with a code; a series of turnable bails selectively cooperating with said projections of said key means and having shaft portions; and wherein each said valve means has a turnable valve member controlling said conduits and being turnable between said first and second positions; and wherein said shaft portions of said bails are connected with said turnable valve members of said series of valve means, respectively.

Claim 10

Setting arrangement for a type carrier, comprising, in combination, a first setting device for moving said type carrier between angular positions; and a second setting device for moving said type carrier between axially displaced positions, each of said setting devices including a series of setting means interconnected with each other for limited movement, each setting means having an expansible and contractable chamber so that each setting means is movable between a first position abutting the preceding setting means and a second position spaced from the preceding setting means the distances which adjacent setting means are spaced in said second positions being different and selected in accordance with a code, a series of operating means including conduit means connected with said chambers, respectively, for respectively moving said setting means between said first and second positions, selector means including a valve means in each of said conduit means for selectively supplying pressure fluid to said chambers for selectively expanding and contracting the same so that selected setting means are moved to said second position and the last setting means of said series is displaced relative to the first setting means of said series a distance which is the total of said distance between setting means in said second positions, and control means connected with said last setting means so as to be moved by the same between a number of control positions; a type head connected with said control means of said first setting device to be turned by the same between angular positions, and connected with said control means of said second setting device to be moved by the same between axially displaced positions; and actuating means including key means for controlling said valve means of both said first and second setting devices so that said type head is simultaneously angularly and axially displaced.

Claim 11

Setting arrangement for a type carrier, comprising, in combination, a first setting device for moving said type carrier between angular positions; and a second setting device for moving said type carrier between axially displaced positions, each of said setting devices including a series of setting means interconnected with each other for limited movement, each setting means having an expansible and contractable chamber so that each setting means is movable between a first position abutting the preceding setting means and a second position spaced from the preceding setting means the distances which adjacent setting means are spaced in said second positions being different and selected in accordance with a code, a series of operating means including conduit means connected with said chambers, respectively, for respectively moving said setting means between said first and second positions, selector means including a valve means in each of said conduit means for selectively supplying pressure fluid to said chambers for selectively expanding and contracting the same so that selected setting means are moved to said second position and the last setting means of said series is displaced relative to the first setting means of said series a distance which is the total of said distance between setting means in said second positions, and control means connected with said last setting means so as to be moved by the same between a number of control positions; a type head connected with said control means of said first setting device to be turned by the same between angular positions, and connected with said control means of said second setting device to be moved by the same between axially displaced positions; and actuating means including key means for controlling said valve means of both said first and second setting devices so that said type head is simultaneously angularly and axially displaced.

Claim 12

Setting arrangement as claimed in claim 9 wherein said actuating means include actuating projections on said key means spaced in accordance with a code, and a series of turnable bails selectively cooperating with said actuating projections and having supported shaft portions; wherein each valve means includes a turnable valve member controlling one of said conduit means, and connected with said shaft portion of one of said bails so that selected valve members are turned by operation of selected key means.