US3789676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating drive mechanism
Assignee: Individual
•
Filing: 1972-06-15
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Granted: 1974-02-05
•
Expires: 1992-06-15
Abstract
Abstract An apparatus for transmitting rotary motion to an output motion with predetermined acceleration and velocity which includes an output member such as a lineally movable or rotary rack driven by a rotary member drivingly associated therewith, the rotary member being mounted for movement in a path generally parallel to the output member rotating about a first axis and driven by a connected rotative member mounted on a second axis spaced from the first axis to move in a path generally transverse of the direction of movement of the output member with means to control the relative positions of the output member and the rotary member to maintain the driving relationship and means to guide the rotative member in the path of movement transverse to output motion.
Inventors
- 👤 J Brems
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:36
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/12; F16H37/124; F16H55/00; F16H55/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18072; Y10T74/18088
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
189 words
An apparatus for transmitting rotary motion into an output motion having a predetermined acceleration and velocity which comprises: a. an output member, b. a gear section mounted on said output member, c. means mounting said output member to guide it in a predetermined path, d. a first gear to engage said gear section and drive said output member, e. means guiding said first gear for rotational motion about its own center as said center oscillates along a path parallel to said output member to effect motion of said output member, f. a rotative drive member, g. means guiding said rotative drive member for movement in a path relatively generally transverse of said path of said output member, h. means mounting said first gear in a non-rotational relation to said drive member with axes of said first gear and member parallel but spaced from each other wherein power rotation of said drive member causes it to rotate relatively about the center of said first gear, and i. means to drive said rotative drive member to impart a rotation to said first gear while in driving engagement with said gear section.
Claim 2
Independent Claim
189 words
An apparatus for transmitting rotary motion into an output motion having a predetermined acceleration and velocity which comprises: a. an output member, b. a gear section mounted on said output member, c. means mounting said output member to guide it in a predetermined path, d. a first gear to engage said gear section and drive said output member, e. means guiding said first gear for rotational motion about its own center as said center oscillates along a path parallel to said output member to effect motion of said output member, f. a rotative drive member, g. means guiding said rotative drive member for movement in a path relatively generally transverse of said path of said output member, h. means mounting said first gear in a non-rotational relation to said drive member with axes of said first gear and member parallel but spaced from each other wherein power rotation of said drive member causes it to rotate relatively about the center of said first gear, and i. means to drive said rotative drive member to impart a rotation to said first gear while in driving engagement with said gear section.
Claim 3
Independent Claim
188 words
An apparatus for transmitting rotary motion into an output motion having a predetermined acceleration and velocity which comprises: a. an output member, b. a drive surface on said output member, c. a rotary member to engage said drive surface in a tangential drive relationship, d. means mounting said output member to guide said drive surface in a predetermined path, e. means mounting said rotary member for rotational motion about its moving center and in driving engagement with said drive surface of said output member, f. a rotative drive member, g. means mounting said rotative drive member for movement in a path generally transverse of said path of said drive surface of said output member, h. means mounting said rotary member in non-rotational relation to said drive member with the axes of said rotary member and said drive member parallel but spaced from each other wherein power rotation of said drive member causes it to rotate about the moving center of said rotary member, and i. means to drive one of said members to impart a rotation to said rotary member while in driving relationship with said drive surface.
Claim 4
Independent Claim
188 words
An apparatus for transmitting rotary motion into an output motion having a predetermined acceleration and velocity which comprises: a. an output member, b. a drive surface on said output member, c. a rotary member to engage said drive surface in a tangential drive relationship, d. means mounting said output member to guide said drive surface in a predetermined path, e. means mounting said rotary member for rotational motion about its moving center and in driving engagement with said drive surface of said output member, f. a rotative drive member, g. means mounting said rotative drive member for movement in a path generally transverse of said path of said drive surface of said output member, h. means mounting said rotary member in non-rotational relation to said drive member with the axes of said rotary member and said drive member parallel but spaced from each other wherein power rotation of said drive member causes it to rotate about the moving center of said rotary member, and i. means to drive one of said members to impart a rotation to said rotary member while in driving relationship with said drive surface.
Claim 5
Independent Claim
221 words
An apparatus for transmitting rotary motion into an output motion having a predetermined acceleration and velocity which comprises: a. an output member having a drive surface, b. a first rotary drive member having a peripheral drive surface, c. means mounting said output member for movement wherein said drive surface has a predetermined path, d. means mounting said first rotary drive member for rotational motion about a first axis as said first axis moves along a path substantially parallel to said drive surface of said output member, e. means drivingly interconnecting the drive surface of said output member with the drive surface of said rotary drive member, f. a second rotary drive member, g. means mounting said second rotary drive member for rotation about a second axis and for movement in a path generally transverse of said path of said drive surface of said output member, h. means mounting said first rotary drive member in non-rotational relation to said second rotary drive member with the axes of said drive members parallel but spaced from each other wherein power rotation of said second rotary drive member causes it to revolve about the moving center of said first rotary drive member, and i. means to drive one of said rotary drive members to impart a rotation to the other of said rotary drIve members.
Claim 6
Independent Claim
221 words
An apparatus for transmitting rotary motion into an output motion having a predetermined acceleration and velocity which comprises: a. an output member having a drive surface, b. a first rotary drive member having a peripheral drive surface, c. means mounting said output member for movement wherein said drive surface has a predetermined path, d. means mounting said first rotary drive member for rotational motion about a first axis as said first axis moves along a path substantially parallel to said drive surface of said output member, e. means drivingly interconnecting the drive surface of said output member with the drive surface of said rotary drive member, f. a second rotary drive member, g. means mounting said second rotary drive member for rotation about a second axis and for movement in a path generally transverse of said path of said drive surface of said output member, h. means mounting said first rotary drive member in non-rotational relation to said second rotary drive member with the axes of said drive members parallel but spaced from each other wherein power rotation of said second rotary drive member causes it to revolve about the moving center of said first rotary drive member, and i. means to drive one of said rotary drive members to impart a rotation to the other of said rotary drIve members.
Claim 7
Independent Claim
149 words
An apparatus for transmitting rotary drive motion in a predetermined output motion having a predetermined acceleration and velocity which comprises: a. a rack to be driven in an output motion; b. a first gear to engage and drive said rack, c. a rotative power input drive member mounted to rotate about a first axis, said first gear being non-rotatively mounted on said drive member with the center of the first gear off center from said first axis, d. means to retain said rack and said first gear in engagement during rotation of said first gear, and e. means to mount and drive said member in rotative movement about said first axis wherein the center of said first gear moves in a direction generally transverse relatively to the output motion of said rack, said rack moving also in a direction transverse its length while moving longitudinally in an output motion.
Claim 8
Independent Claim
149 words
An apparatus for transmitting rotary drive motion in a predetermined output motion having a predetermined acceleration and velocity which comprises: a. a rack to be driven in an output motion; b. a first gear to engage and drive said rack, c. a rotative power input drive member mounted to rotate about a first axis, said first gear being non-rotatively mounted on said drive member with the center of the first gear off center from said first axis, d. means to retain said rack and said first gear in engagement during rotation of said first gear, and e. means to mount and drive said member in rotative movement about said first axis wherein the center of said first gear moves in a direction generally transverse relatively to the output motion of said rack, said rack moving also in a direction transverse its length while moving longitudinally in an output motion.
Claim 9
Dependent Claim
223 words
In an indexing mechanism wherein a nominally constant input movement causes a cyclical variation in the output movement including momentary stoppage of said output movement comprising: a. a frame, b. an output member connected to said frame and rotating about an output axis, c. a first drive member rotating about a movable first axis and in tangential driving engagement with said output member, d. a first guide means to mount said drive member to move along a path such that said driving engagement is maintained, e. a power input means rotating about a movable second axis and connected to said first drive member wherein said first axis and said second axis are parallel and non-coincident, f. a second guide means mounting said power input means on said frame wherein said power input means may move such that said second axis is guided along a path generally transverse to the path of said first axis as guided by said first guide means, whereby rotation of said power input means about said second axis causes said power input means to oscillate about a path controlled by said second guide means and said first drive member rotates about said first axis while said first drive member moves in a path controlled by said first guide means, and said first and second axes revolve about each other.
Claim 10
Dependent Claim
223 words
In an indexing mechanism wherein a nominally constant input movement causes a cyclical variation in the output movement including momentary stoppage of said output movement comprising: a. a frame, b. an output member connected to said frame and rotating about an output axis, c. a first drive member rotating about a movable first axis and in tangential driving engagement with said output member, d. a first guide means to mount said drive member to move along a path such that said driving engagement is maintained, e. a power input means rotating about a movable second axis and connected to said first drive member wherein said first axis and said second axis are parallel and non-coincident, f. a second guide means mounting said power input means on said frame wherein said power input means may move such that said second axis is guided along a path generally transverse to the path of said first axis as guided by said first guide means, whereby rotation of said power input means about said second axis causes said power input means to oscillate about a path controlled by said second guide means and said first drive member rotates about said first axis while said first drive member moves in a path controlled by said first guide means, and said first and second axes revolve about each other.
Claim 11
Dependent Claim
37 words
An indexing mechanism as defined in claim 5 in which output member is a gear having a curved toothed drive surface, and said first drive member is a gear having peripheral teeth to engage said drive surface.
Claim 12
Dependent Claim
37 words
An indexing mechanism as defined in claim 6 in which said first guide means comprises a link rotatably associated with a support axle at said output axis of said output gear and carrying said first drive member.
Claim 13
Dependent Claim
305 words
In an indexing mechanism wherein a nominally constant input movement causes a cyclical variation in the output movement including momentary stoppage of said output movement comprising: a. a frame, b. an output member connected to said frame and rotating about an output axis and having a peripheral drive surface, c. a first drive member mounted to rotate about a movable first axis having a peripheral drive surface, d. a first guide means to mount said drive member to maintain constant the center distance between the axis of said output member and the axis of said drive member, e. an input drive member mounted on said frame to rotate about a fixed input axis, f. a second drive member mounted to rotate about a movable second axis, said second drive member being rigidly connected to said first drive member such that said first axis and said second axis are parallel and non-coincident, g. a second guide means to mount said second drive member wherein said second axis moves along a path such that said second axis is maintained at a nominally constant distance from said input axis, and h. a first peripheral drive means in a continuous loop connecting the drive surfaces of said output member and said first drive member, and a second peripheral drive means in a continuous loop connecting thE periphery of said input member to the periphery of said second drive member such that a rotation of said input drive member causes a rotation of said second drive member about said second axis while said second axis oscillates about a path controlled by said second guide means and said first drive member rotates about said first axis while said first axis oscillates about a path controlled by said first guide means, and said first axis and second axis revolve about each other.
Claim 14
Dependent Claim
305 words
In an indexing mechanism wherein a nominally constant input movement causes a cyclical variation in the output movement including momentary stoppage of said output movement comprising: a. a frame, b. an output member connected to said frame and rotating about an output axis and having a peripheral drive surface, c. a first drive member mounted to rotate about a movable first axis having a peripheral drive surface, d. a first guide means to mount said drive member to maintain constant the center distance between the axis of said output member and the axis of said drive member, e. an input drive member mounted on said frame to rotate about a fixed input axis, f. a second drive member mounted to rotate about a movable second axis, said second drive member being rigidly connected to said first drive member such that said first axis and said second axis are parallel and non-coincident, g. a second guide means to mount said second drive member wherein said second axis moves along a path such that said second axis is maintained at a nominally constant distance from said input axis, and h. a first peripheral drive means in a continuous loop connecting the drive surfaces of said output member and said first drive member, and a second peripheral drive means in a continuous loop connecting thE periphery of said input member to the periphery of said second drive member such that a rotation of said input drive member causes a rotation of said second drive member about said second axis while said second axis oscillates about a path controlled by said second guide means and said first drive member rotates about said first axis while said first axis oscillates about a path controlled by said first guide means, and said first axis and second axis revolve about each other.
Claim 15
Dependent Claim
44 words
An indexing mechanisn as defined in claim 8 in which said guide means each comprise a link rotatably associated at each end with an axle portion of said respective first drive member and output member and said second drive member and input drive member.
Claim 16
Dependent Claim
253 words
In an indexing mechanism wherein a nominally constant input movement causes a cyclical variation in the output movement including momentary stoppage of said output movement comprising: a. a frame, b. an output member connected to said frame and rotating about an output axis and having a peripheral drive surface, c. a first drive member mounted to rotate about a movable first axis having a peripheral drive surface, d. a first guide means to mount said drive member to maintain constant the center distance between the axis of said output member and the axis of said drive member, e. an input drive member mounted to rotate about a movable second axis, said input drive member being rigidly connected to said first drive member such that said first axis and said second axis are parallel and non-coincident, f. a second guide means to mount said input drive member wherein said second axis moves in a fixed path, g. means to drive said input drive member, and h. a peripheral drive means in a continuous loop connecting the drive surfaces of said output member and said first drive member wherein rotation of said input drive member causes a revolving of said input drive member about said second axis while said second axis oscillates about a path controlled by said second guide means and said first drive member rotates about said first axis while said first axis oscillates about a path controlled by said first guide means, and said first and second axes revolve about each other.
Claim 17
Dependent Claim
253 words
In an indexing mechanism wherein a nominally constant input movement causes a cyclical variation in the output movement including momentary stoppage of said output movement comprising: a. a frame, b. an output member connected to said frame and rotating about an output axis and having a peripheral drive surface, c. a first drive member mounted to rotate about a movable first axis having a peripheral drive surface, d. a first guide means to mount said drive member to maintain constant the center distance between the axis of said output member and the axis of said drive member, e. an input drive member mounted to rotate about a movable second axis, said input drive member being rigidly connected to said first drive member such that said first axis and said second axis are parallel and non-coincident, f. a second guide means to mount said input drive member wherein said second axis moves in a fixed path, g. means to drive said input drive member, and h. a peripheral drive means in a continuous loop connecting the drive surfaces of said output member and said first drive member wherein rotation of said input drive member causes a revolving of said input drive member about said second axis while said second axis oscillates about a path controlled by said second guide means and said first drive member rotates about said first axis while said first axis oscillates about a path controlled by said first guide means, and said first and second axes revolve about each other.
Claim 18
Independent Claim
237 words
An apparatus for transmitting rotary motion into an output motion having a predetermined acceleration and velocity pattern which comprises: a. an output member having a driven portion, b. means mounting said output member for motion of said driven portion thereof in a predetermined path, c. a first rotary member mounted to rotate about a first axis having a fixed relationship to said predetermined path of said driven portion, d. means to maintain said fixed relationship between said driven portion of said output member and said first axis of said first rotary member, e. means connecting said first rotary member and said output member wherein rotation of said first rotary member produces a relative motion of said driven portion of said output member and said first rotary member, f. a second rotary member mounted on a second axis parallel to and spaced from said first axis, g. means connecting said rotary members wherein rotation of said first rotary member causes said second rotary member to revolve about said first axis, h. means to constrain the motion of said second rotary member wherein said second axis moves relative to the output member in a path generally transverse of said motion path of the driven portion of said output member, and i. means to drive one of said rotary members in rotation to effect movement of said driven portion of said output member in a predetermined acceleration and velocity pattern.
Claim 19
Independent Claim
237 words
An apparatus for transmitting rotary motion into an output motion having a predetermined acceleration and velocity pattern which comprises: a. an output member having a driven portion, b. means mounting said output member for motion of said driven portion thereof in a predetermined path, c. a first rotary member mounted to rotate about a first axis having a fixed relationship to said predetermined path of said driven portion, d. means to maintain said fixed relationship between said driven portion of said output member and said first axis of said first rotary member, e. means connecting said first rotary member and said output member wherein rotation of said first rotary member produces a relative motion of said driven portion of said output member and said first rotary member, f. a second rotary member mounted on a second axis parallel to and spaced from said first axis, g. means connecting said rotary members wherein rotation of said first rotary member causes said second rotary member to revolve about said first axis, h. means to constrain the motion of said second rotary member wherein said second axis moves relative to the output member in a path generally transverse of said motion path of the driven portion of said output member, and i. means to drive one of said rotary members in rotation to effect movement of said driven portion of said output member in a predetermined acceleration and velocity pattern.
Claim 20
Dependent Claim
28 words
An apparatus as defined in claim 11 in which said means connecting said first rotary member and said output member comprises interengaging gear teeth on said respective members.
Claim 21
Dependent Claim
34 words
An apparatus as defined in claim 11 in which said means connecting said first rotary member and said output member comprises teeth on said respective members and a flexible drive member interconnecting said teeth.
Claim 22
Dependent Claim
34 words
An apparatus as defined in claim 11 in which said means connecting said first rotary member and said output member comprises teeth on said first rotary member and a chain on said output member.
Claim 23
Dependent Claim
47 words
An apparatus as defined in claim 11 in which said output member and said first rotary member comprises a rack and gear and said means to maintain a fixed relationship therebetween comprises a spacer plate mounted to respectively engage said output member and said first rotary member.
Claim 24
Dependent Claim
77 words
An apparatus as defined in claim 11 in which said output member comprises a substantially circular member rotating about a fixed fourth axis and said means to maintain a fixed relationship between said driven portion of said output member, and said first axis of said first rotary member comprises a spacer link, means rotatably mounting said first rotary member on said spacer link at said first axis and means pivotally mounting said link on said fourth axis.
Claim 25
Dependent Claim
53 words
An apparatus as defined in claim 11 in which said means to constrain the motion of said second rotary member comprises an arm, means rotatably mounting said second rotary member on said arm at said second axis, and means pivotally mounting said arm on a fixed third axis spaced from said second axis.
Claim 26
Dependent Claim
33 words
An apparatus as defined in claim 17 in which said means to drive said one of said rotary members is mounted on said arm in rotary driving engagement with said second rotary member.
Claim 27
Dependent Claim
84 words
An apparatus as defined in claim 11 in which said second rotary member actuates about a fixed said second axis and said means mounting said output member permits said output member to move in a direction substantially transverse to the said driven portion thereof and said means to maintain said fixed relationship between said driven portion of said output member and said first axis of said first rotary member comprises a spacer plate to respectively engage said output member and said first rotary member.
Claim 28
Independent Claim
230 words
An apparatus for transmitting rotary motion into an output motion having a predetermined acceleration and velocity pattern which comprises: a. an output member having a rack section to be moved lineally along a predetermined path, b. means mounting said output member to confine it for lineal motion of said rack section, c. a first rotary member in the form of a gear having engagement with said rack and rotatable about a first axis, d. a spacer means movable parallel with said output member along said predetermined path and means mounting said first rotary member on said spacer means on an axis perpendicular to a plane which includes said path, e. a second rotary member mounted on a second axis parallel to and spaced from said first axis, f. means connecting said rotary members wherein rotation of said first rotary member causes said second rotary member to revolve about said first axis, g. an arm rotatably mounting said second rotary member on said second axis and fixed means pivotally mounting said arm on a third axis parallel to and spaced from said first and second axes, and h. rotatable drive means to rotate one of said rotary members to cause said second rotary member to rotate about said second axis and revolve about said first axis while moving said output member in a predetermined acceleration and velocity pattern along said path.
Claim 29
Independent Claim
230 words
An apparatus for transmitting rotary motion into an output motion having a predetermined acceleration and velocity pattern which comprises: a. an output member having a rack section to be moved lineally along a predetermined path, b. means mounting said output member to confine it for lineal motion of said rack section, c. a first rotary member in the form of a gear having engagement with said rack and rotatable about a first axis, d. a spacer means movable parallel with said output member along said predetermined path and means mounting said first rotary member on said spacer means on an axis perpendicular to a plane which includes said path, e. a second rotary member mounted on a second axis parallel to and spaced from said first axis, f. means connecting said rotary members wherein rotation of said first rotary member causes said second rotary member to revolve about said first axis, g. an arm rotatably mounting said second rotary member on said second axis and fixed means pivotally mounting said arm on a third axis parallel to and spaced from said first and second axes, and h. rotatable drive means to rotate one of said rotary members to cause said second rotary member to rotate about said second axis and revolve about said first axis while moving said output member in a predetermined acceleration and velocity pattern along said path.
Claim 30
Dependent Claim
43 words
An apparatus as defined in claim 20 in which said drive means comprises a prime mover assembly having an output rotating drive member coincident with said third axis and torque transfer means between said output rotating drive member and said second rotary member.
Claim 31
Dependent Claim
34 words
An apparatus as defined in claim 20 in which said drive means comprises a prime mover assembly affixed to said arm and torque transfer means connecting said prime mover to said second rotary member.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-04 | 1985-08-06 | 1986-02-05 | $7700.00 | Window Closed / Lapsed |