Driving mechanism for a roller transporting device

Claim 2

In a processing means comprising a plurality of rotary members, bearing means for supporting said rotary members for rotation, driving means, individual cranks acting between said driving means and said rotary members, the combination of operating means for operating said driving means and comprising: a. a single driven crank acting between said bearing means and said driving means, b. a first floating crack acting between said bearing means and said driving means, c. a second floating crank acting between said bearing means and said driving means, d. the radial lines passing through the axes of the crank shaft and crank pin of the driven crank and of the first floating crank being out of alignment when the radial lines passing through the axes of the crank shaft and crank pin of the driven crank and of the second floating crank are in alignment, and e. all of said cranks having the same throw and, f. motive means for driving said driven crank.

Claim 3

Operating means for operating said driven means according to claim 1 in which: a. a line extending through the crank shaft axis of the driven crank and the crank shaft axis of one of the floating cranks forms with a similar line extending through the crank shaft axis of the driven crank and the crankshaft axis of the other floating crank make an angle of greater than 45 degrees.

Claim 4

Operating means for operating said driven means according to claim 1 in which: a. a single driven crank is employed and b. more than two floating cranks are employed.

Claim 5

Operating means for operating said driven means according to claim 1 in which: a. the bearing means is in the form of a plate, b. the driven means is in the form of a plate, and c. the crank shafts of said floating cranks terminate substantially at the surface of said bearing plate adjacent said rotary members.

Claim 6

In progressing means for progressing sheet material comprising pairs of companion rollers rotating in opposite directions and between which the sheet material travels, first bearing means for one end of each of said rollers and second bearing means for the other ends of said rollers, first and second driving means adjacent said bearing means, cranks acting between said first driving means and the rollers traveling in one direction and the other cranks acting between said second driving means and the rollers traveling in the opposite direction, the combination of: a. a first shaft having its axis fixed and parallel to the axes of said rollers, b. a first driven crank on said shaft having its crank pin engaging said first driving means, c. means cooperating with said first driven crank to cause every point in said first driving means to travel in a circle having the same diameter as the throw of said first named crank, d. a second driven shaft having its axes fixed and parallel with the first driven shaft and the axes of said rollers, e. a second driven crank on said second driven shaft having its crank pin engaging said second driving means, f. means cooperating with said second driven crank to cause every point in said second driving means to travel in a circle having the same diameter as the throw of said second named driven crank and g. meshing spur gears on said shafts causing said first and second shafts to rotate in opposite directions.

Claim 7

In progressing means for progressing sheet material comprising pairs of companion rollers rotating in opposite directions and between which the sheet material travels, first bearing means for one end of each of said rollers and second bearing means for the other ends of said rollers, first and second driving means adjacent said bearing means, cranks acting between said first driving means and the rollers traveling in one direction and the other cranks acting between said second driving means and the rollers traveling in the opposite direction, the combination of: a. a first shaft having its axis fixed and parallel to the axes of said rollers, b. a first driven crank on said shaft having its crank pin engaging said first driving means, c. means cooperating with said first driven crank to cause every point in said first driving means to travel in a circle having the same diameter as the throw of said first named crank, d. a second driven shaft having its axes fixed and parallel with the first driven shaft and the axes of said rollers, e. a second driven crank on said second driven shaft having its crank pin engaging said second driving means, f. means cooperating with said second driven crank to cause every point in said second driving means to travel in a circle having the same diameter as the throw of said second named driven crank and g. meshing spur gears on said shafts causing said first and second shafts to rotate in opposite directions.

Claim 8

In a progressing means comprising a plurality of rotary members, first and second bearing plates supporting said rotary members for rotation, first and second driving plates each adjacent a first and second bearing plate respectively individual cranks acting between said driving plates and said rotary members, the combination of operating means for operating said driving plates and comprising: a. a first driven crank acting between said first bearing plate and said first driving plate, b. a second driven crank acting between said second bearing plate and said second driving plate, c. first floating crank means acting between said first bearing plate and said first driving plate d. second floating crank means acting between said first bearing plate and said first driving plate, e. first floating crank means acting between said second bearing plate and said second driving plate, f. second floating crank means acting between said second bearing plate and said second driving plate, and g. motive means for driving said driven cranks.

Claim 9

In a progressing means comprising a plurality of rotary members, first and second bearing plates supporting said rotary members for rotation, first and second driving plates each adjacent a first and second bearing plate respectively individual cranks acting between said driving plates and said rotary members, the combination of operating means for operating said driving plates and comprising: a. a first driven crank acting between said first bearing plate and said first driving plate, b. a second driven crank acting between said second bearing plate and said second driving plate, c. first floating crank means acting between said first bearing plate and said first driving plate d. second floating crank means acting between said first bearing plate and said first driving plate, e. first floating crank means acting between said second bearing plate and said second driving plate, f. second floating crank means acting between said second bearing plate and said second driving plate, and g. motive means for driving said driven cranks.

Claim 10

The device of claim 6 in which: a. the radial lines passing through the axes of the crank shafts and crank pins of the driven cranks and the first floating cranks acting with each therewith being out of alignment when the radial lines passing through the axes of the crank shafts and crank pins of the driven cranks and the second floating cranks acting with each therewith are in alignment, b. all of said cranks having the same throw.

Claim 11

In a device for progressing sheet material between pairs of rollers, a pair of driving plates, a pair of bearing plates rotatably mounting said rollers, cranks on said rollers, pins on said driving plates for engagement with said cranks on said rollers, and means for driving said driving plates in a rotary and rectilinear movement to cause said pins on said driving plates to rotate said rollers through said cranks, the improvement in said means for driving said driving plates, said improvement including a. a shaft rotatably mounted on said pair of bearing plates, b. a first crank mounted on said shaft and rotatably connected with a first of said driving plates, c. a second crank rotatably mounted on the second of said bearing plates and rotatably connected with the second of said driving plates, d. means on said shaft for rotating said second crank, e. floating crank means carried by each of said driving plates and a bearing plate whereby upon a rotation of said shaft said driving plates are moved in a rotary and rectilinear movement to cause said pins on said driving plates to operate said crank on said rollers to rotate the same.

Claim 12

In a device for progressing sheet material between pairs of rollers, a pair of driving plates, a pair of bearing plates rotatably mounting said rollers, cranks on said rollers, pins on said driving plates for engagement with said cranks on said rollers, and means for driving said driving plates in a rotary and rectilinear movement to cause said pins on said driving plates to rotate said rollers through said cranks, the improvement in said means for driving said driving plates, said improvement including a. a shaft rotatably mounted on said pair of bearing plates, b. a first crank mounted on said shaft and rotatably connected with a first of said driving plates, c. a second crank rotatably mounted on the second of said bearing plates and rotatably connected with the second of said driving plates, d. means on said shaft for rotating said second crank, e. floating crank means carried by each of said driving plates and a bearing plate whereby upon a rotation of said shaft said driving plates are moved in a rotary and rectilinear movement to cause said pins on said driving plates to operate said crank on said rollers to rotate the same.

Claim 13

The device of claim 7 in which said means on said shaft for rotating said second crank includes a. a gear mounted on said shaft in engagement with a b. gear formed on said second crank.