Reciprocating drive mechanism

Claim 2

A mechanism for achieving a controlled motion of a part in a path of travel comprising: a. a carrier, b. means to guide the carrier in a path of travel, c. means on said carrier forming a plurality of first drive surfaces extending in the direction of said path of travel, each spaced from the other in a direction transverse to the path of travel, d. a plurality of continuous curve, second drive surfaces spaced to respectively contact and engage said first drive surfaces, said second drive surfaces being mounted to move in concert each in a path wherein each selectively and consecutively engages a respective first drive surface to shift said carrier along said path of travel, e. said first drive surfaces comprising a plurality of racks mounted in parallel spaced relation on said carrier extending in the direction of the path of travel, and said second drive surfaces comprising a first main gear mounted to rotate about a first center, second and third gears on respective sides of said first gear mounted off-center from said first gear on second and third centers to revolve about said first center in concert with the rotation of said first gear, said gears being spaced to respectively engage one of said gears, f. means to mount said gears wherein they will respectively remain in contact with a respective rack while said centers are moving in a direction transverse to said path of travel, g. said means to mount said gears comprising an arm pivoted on a first axis perpendicular to the path of travel, said main gear being mounted to rotate on an axis on said arm parallel to but spaced from said first axis, and h. means acting on said arm to urge the arm toward said racks to maintain said gears in engagement with said respective racks.

Claim 3

a second rotary member mounted on said rotative drive member to engage said third surface with the axis parallel but spaced from the axis of said drive member, and h. means to maintain each of said respective drive surfaces in engagement sequentially with said first rotary member, said rotative drive member, and said second rotary member while each is rotating and revolving in response to motion of said input member.

Claim 4

a second rotary member mounted on said rotative drive member to engage said third surface with the axis parallel but spaced from the axis of said drive member, and h. means to maintain each of said respective drive surfaces in engagement sequentially with said first rotary member, said rotative drive member, and said second rotary member while each is rotating and revolving in response to motion of said input member.

Claim 5

means to associate said rotative drive member in driving engagement with said second drive member in a tangential drive relationship wherein rotation of said rotative drive member drives said output member in a uniform motion, g. a third drive means connecting said input member to said output member to generate non-uniform motion of said output member comprising:

Claim 6

means to associate said rotative drive member in driving engagement with said second drive member in a tangential drive relationship wherein rotation of said rotative drive member drives said output member in a uniform motion, g. a third drive means connecting said input member to said output member to generate non-uniform motion of said output member comprising:

Claim 7

a first rotary member to engage said drive surface in a tangential drive relationship,

Claim 8

a first rotary member to engage said drive surface in a tangential drive relationship,

Claim 9

A mechanism for achieving a controlled motion of a part in a path of travel comprising: a. a carrier, b. means to guide the carrier in a path of travel, c. means on said carrier forming a plurality of first drive surfaces extending in the direction of said path of travel, each spaced from the other in a direction transverse to the path of travel, d. a plurality of continuous curve, second drive surfaces spaced to respectively contact and engage said first drive surfaces, said second drive surfaces being mounted to move in concert each in a path wherein each selectively and consecutively engages a respective first drive surface to shift said carrier along said path of travel, e. said first drive surfaces comprising a plurality of racks mounted in parallel spaced relation on said carrier extending in the direction of the path of travel, and said second drive surfaces comprising a first main gear mounted to rotate about a first center, second and third gears on respective sides of said first gear mounted off-center from said first gear on second and third centers to revolve about said first center in concert with the rotation of said first gear, said gears being spaced to respectively engage one of said gears, f. means to mount said gears wherein they will respectively remain in contact with a respective rack while said centers aRe moving in a direction transverse to said path of travel, g. said means to mount said gears comprising an arm pivoted on a first axis perpendicular to the path of travel, said main gear being mounted to rotate on a second axis on said arm parallel to but spaced from said first axis, and h. means comprising cranks to support said arm in a position to maintain said gears in engagement with said respective racks.

Claim 10

A mechanism for achieving a controlled motion of a part in a path of travel comprising: a. a carrier, b. means to guide the carrier in a path of travel, c. means on said carrier forming a plurality of first drive surfaces extending in the direction of said path of travel, each spaced from the other in a direction transverse to the path of travel, d. a plurality of continuous curve, second drive surfaces spaced to respectively contact and engage said first drive surfaces, said second drive surfaces being mounted to move in concert each in a path wherein each selectively and consecutively engages a respective first drive surface to shift said carrier along said path of travel, e. said first drive surfaces comprising a plurality of racks mounted in parallel spaced relation on said carrier extending in the direction of the path of travel, and said second drive surfaces comprising a first main gear mounted to rotate about a first center, second and third gears on respective sides of said first gear mounted off-center from said first gear on second and third centers to revolve about said first center in concert with the rotation of said first gear, said gears being spaced to respectively engage one of said gears, f. means to mount said gears wherein they will respectively remain in contact with a respective rack while said centers aRe moving in a direction transverse to said path of travel, g. said means to mount said gears comprising an arm pivoted on a first axis perpendicular to the path of travel, said main gear being mounted to rotate on a second axis on said arm parallel to but spaced from said first axis, and h. means comprising cranks to support said arm in a position to maintain said gears in engagement with said respective racks.

Claim 11

A mechanism as defined in claim 1 in which a rotary drive means for said system comprises a pulley mounted to rotate on said first axis, a pulley on said arm on said second axis and belt means connecting said pulley to permit continuous drive while said arm moves in a pivotal motion around said first axis.

Claim 12

a rotative drive member mounted for movement in a path generally transverse of said path of said output member,

Claim 13

a rotative drive member mounted for movement in a path generally transverse of said path of said output member,

Claim 14

A mechanism as defined in claim 1 in which a rotary drive means for said system comprises a pulley mounted to rotate on said first axis, a pulley on said arm on said second axis and belt means connecting said pulley to permit continuous drive while said arm moves in a pivotal motion around said first axis, and a pulley drive on said arm on said second axis to drive a pulley on said cranks to synchronize motion of said cranks with pivotal motion of said arm.

Claim 15

means mounting said rotary member in non-rotational relation to and on said drive member with the axes of said rotary member parallel but spaced from each other wherein power rotation of said drive member by said input member causes it to revolve about the center of said rotary member, f. a second drive means connecting said input member to said output member to generate uniform motion of said output member comprising:

Claim 16

means mounting said rotary member in non-rotational relation to and on said drive member with the axes of said rotary member parallel but spaced from each other wherein power rotation of said drive member by said input member causes it to revolve about the center of said rotary member, f. a second drive means connecting said input member to said output member to generate uniform motion of said output member comprising: