Patent ID: 7393316

Claim:
A longitudinal folding apparatus for webs on a folder of a rotary press which receives the webs in a web running direction, comprising: a frame; a former roll, folding rolls having longitudinal axes, and a variable-position folding former, each being arranged in said frame, said variable-position folding former being arranged behind said former roll and ahead of said folding rolls in the web running direction; levers mounted pivotably to said frame and being drive-connected to one another, said variable position folding former being hingably connected to said levers such that said variable position folding former is adjustable approximately in a direction parallel to said longitudinal axes of said folding rolls, wherein said levers comprise two upper levers and a lower lever, said two upper levers being connected fixedly to one another with respect to rotation and arranged at an upper region of said variable position folding former, and said lower lever being arranged at a lower region of said variable position folding former; and a shaft connected to said two upper levers, a crank connected to said shaft and to said two upper levers, a swinging arm connected fixedly to said lower lever, and a coupler hingably connected between said crank and said swinging arm.