Folder apparatus for a web-fed printing press

Folder apparatus of a web-fed printing press having a printed-product delivery with two fan arrangements, each of which is formed of a plurality of mutually adjacent fans spaced-apart from one another on a common axis, the respective common axis of each of the two fan arrangements being disposed parallel to the common axis of the other, each of the fans of one of the fan arrangements being disposed adjacent to and in a respective common plane with a respective one of the fans of the other of the fan arrangements, each of the fans being formed with blades having tips located at a circumference of the respective fan, the circumferences of the fans in the respective common plane intersecting with one another, and means provided on the fans for preventing a collision of respective blade tips of the fans disposed in the respective common plane, said blades having a slide-resistant material thereon for braking an oncoming printed product.

Folder apparatus of a web-fed printing press having a printed-product delivery with two fan arrangements, each of which is formed of a plurality of mutually adjacent fans spaced apart from one another on a common axis, the respective common axis of each of the two fan arrangements being disposed parallel to the common axis of the other, each of the fans of one of the fan arrangements being disposed adjacent to and in a respective common plane with a respective one of the fans of the other of the fan arrangements, each of the fans being formed with blades having tips located at a circumference of the respective fan, the circumferences of the fans in the respective common plane intersecting with one another, and means provided on the fans for preventing a collision of respective blade tips of the fans disposed in the respective common plane, the tips of the blades of one of said fan arrangements being movable towards and away from the tips of the blades of the other of said fan arrangements.

In a folder apparatus of a web-fed printing press, a printed product delivery comprising two fan assemblies, respectively, formed of a rotatable body having a substantially cylindrical configuration;

• and means for successively delivering a stream of cut printed products in finished form directly to said fan assemblies, the rotatable bodies having respective rotational axes disposed parallel to and spaced from one another a distance less than the sum of the radii of the substantially cylindrically configured bodies so that a mutually overlapping region of the circumferences of said bodies is formed, each of said fan assemblies having a multiplicity of blades formed with respective curved surfaces defining elongated pockets therebetween for receiving printed products therein and being formed with respective tips extending into said overlapping region of said circumferences for diverting the printed products directly delivered in a given travel direction to said fan assemblies alternatingly at given instants of time into a pocket of the one fan assembly and into a pocket of the other fan assembly, said pockets at said given instants extending in said given travel direction arcuately from said tips to bottom ends thereof located adjacent respective centers of said rotatable bodies, and means formed on said fan assemblies for preventing the respective blade tips from colliding.

In a folder apparatus of a web-fed printing press, a printed product delivery comprising two fan assemblies, respectively, formed of a rotatable body having a substantially cylindrical configuration;

• and means for successively delivering a stream of cut printed products directly to said fan assemblies, the rotatable bodies having respective rotational axes disposed parallel to and spaced from one another a distance less than the sum of the radii of the substantially cylindrically configured bodies so that a mutually overlapping region of the circumferences of said bodies is formed, each of said fan assemblies having a mutliplicity of blades defining pockets therebetween for receiving printed products therein and being formed with respective tips extending into said overlapping region of said circumferences for diverting the printed products directly delivered to said fan assemblies alternatingly into a pocket of the one fan assembly and into a pocket of the other fan assembly, and means formed on said fan assemblies for preventing the respective blade tips from colliding, said blade tips being pivotally connected to said blades, and including means for alternatingly pivoting said blade tips, respectively, out of said mutually overlapping region of said circumferences so as to prevent collision between the respective blade tips of the respective fan assemblies.

A folder apparatus of a web-fed printing press having a printed product delivery comprising two fan assemblies, respectively, formed of a rotatable body having a substantially cylindrical configuration and having respective rotational axes extending in a longitudinal direction thereof, said axes being disposed parallel to one another, each of said fan assemblies being formed with a multiplicity of blades having tips located at a circumference of the respective fan assembly, each of said blades extending in said longitudinal direction over substantially the entire dimension of the respective rotational body, respective mutually adjacent pairs of said blades in circumferential direction of the respective fan assembly being formed with respective curved surfaces defining therebetween an elongated pocket extending arcuately from the respective tips to a bottom end of the pocket located adjacent a center of the rotational body for receiving a printed product in finished form therein, said rotational axes being spaced a distance from one another which is less than the sum of the radii of the cylindrical configured rotatable bodies so that said circumferences mutually intersect, said fan assemblies having means located beyond said pocket-defining surfaces for preventing the respective blade tips of said fans from colliding.

A folder apparatus of a web-fed printing press having a printed product delivery comprising two fan assemblies, respectively, formed of a rotatable body having a substantially cylindrical configuration and having respective rotational axes disposed parallel to one another, each of said fan assemblies being formed with a multiplicity of blades having tips located at a circumference of the respective fan assembly, respective mutually adjacent pairs of said blades defining therebetween a pocket for receiving a printed product therein, said rotational axes being spaced a distance from one another which is less than the sum of the radii of the cylindrical configured rotatable bodies so that said circumferences mutually intersect said fan assemblies having means for preventing the respective blade tips of said fans from colliding, slide-resistant material being disposed in said pockets for the printed product as to effect a braking of the printed product therein.

Folder apparatus of a web-fed printing press having a printed-product delivery with two fan arrangements, each of which is formed of a plurality of mutually adjacent fans spaced-apart from one another on a common axis, the respective common axis of each of the two fan arrangements being disposed parallel to the common axis of the other, each of the fans of one of the fan arrangements being disposed adjacent to and in a respective common plane with a respective one of the fans of the other of the fan arrangements, each of the fans being formed with blades having tips located at a circumference of the respective fan, the circumferences of the fans in the respective common plane intersecting with one another, and means provided on the fans for preventing a collision of respective blade tips of the fans disposed in the respective common plane, at least a portion of said tips of said blades being movably disposed on said blades, and including means for actuating said movable portion of said tips.

A folder apparatus for a web-fed printing press having a printed product delivery, comprising two assemblies, respectively, revolvable in opposite directions, and means for successively delivering a stream of cut printed products to said assemblies, said assemblies including respective receiving means formed with pockets defined by smoothly streamlined surfaces for respectively receiving one of the cut printed products therein, the respective receiving means of each of said assemblies being displaceable along respective endless paths as said assemblies revolve, said receiving means of both of said assemblies being on a collision course with one another so as to be collidable at a given location of said endless paths, and collision-preventing means comprising structures disposed on each of said assemblies and interrupting said smoothly streamlined surfaces for preventing a collision at said locations between said receiving means in one of said assemblies and said receiving means in the other of said assemblies.

A folder apparatus for a web-fed printing press having a printed product delivery, comprising two fan assemblies, respectively, formed with a plurality of fan blades having respective tips, said two fan assemblies being revolvable in opposite directions and including respective receiving means formed with pockets for receiving a printed product therein, the respective tips of the fan blades of each of said assemblies being displaceable along respective endless paths as said assemblies revolve, said blade tips of both of said assemblies being on a collision course with one another so as to be collidable at a given location of said endless paths, the blade tips of at least one of said two fan assemblies being yieldable to the blade tips of the other of said two fan assemblies for preventing jamming of the respective blade tips of said two fan assemblies at said location.

A folder apparatus of a web-fed printing press having a printed product delivery comprising two fan assemblies, respectively, formed of a rotatable body having a substantially cylindrical configuration and having respective rotational axes disposed parallel to one another, each of said fan assemblies being formed with a multiplicity of blades having tips located at a circumference of the respective fan assembly, respective mutually adjacent pairs of said blades having respective surfaces defining therebetween a pocket for receiving a printed product in finished form therein, said rotational axes being spaced a distance from one another which is greater by a given distance than the sum of the radii of the cylindrically configured rotatable bodies, and mechanical means operatable from a location beyond said blades and secured to said blade tips for alternatingly extending said blade tips of said fan assemblies a distance greater than half of said given distance so as to intercept an oncoming printed product and guide it into a respective pocket.

Folder apparatus of a web-fed printing press having a printed-product delivery with two fan arrangements, each of which is formed of a plurality of mutually adjacent fans spaced-apart from one another on a common axis, the respective common axes of said two fan arrangements being disposed substantially parallel to one another, and each of said fan arrangements having respective fans disposed adjacent to and in respective common planes with one another, each of said fans being formed with blades having respective blade portions proximal to said common axis and respective tips distal from said common axis and located at a circumference of the respective fans, the tips of the fan blades of said fan arrangements being movable with respect to said proximal blade portions into engagement by an oncoming printed product for diverting the printed product into a pocket formed between the respective blades of the respective fans.