US3838623A — Reproducing apparatus

Claim 1

Independent Claim 358 words

Apparatus for reproducing the shape of the peripheral surface of a pattern on a workpiece, said apparatus comprising: a base having a top surface; a pair of spaced, parallel ways forming a track on said top surface; first and second independently movable carriage platforms disposed above said track and having means thereon engaging said track and mounting the platforms for back and forth reciprocation on opposite end portions of said track; a horizontal pattern support mounted on top of said first platform for rotation about a first vertical axis and for reciprocation with said first platform along the track; a horizontal work support mounted on top of said second platform for rotation about a second vertical axis and for reciprocation with said second platform along the track; means for rotating said pattern support about said first axis and correspondingly rotating said work support about said second axis, and for selectively reversing the direction of rotation of said work support; coupling means between said platforms for reciprocating said second platform in response to reciprocation of said first platform and in opposite directions, comprising a lever, a vertical pivot centrally supporting said lever on said base between said platforms for swinging in a horizontal plane, and a pair of links pivotally connected between said platforms and the opposite ends of said lever to transmit the motions of said opposite ends to the respective platforms; a superstructure above said platforms supported on said base in overlying relation therewith; a first tool mount on said superstructure depending therefrom toward said pattern support and having means thereon for engaging the peripheral surface of the pattern on a side thereof facing longitudinally of said track; a second tool mount on said superstructure depending therefrom toward said work support and having a tool thereon for engaging and shaping the workpiece on a side thereof facing in the opposite direction, longitudinally of said track; means urging said pattern support along said track toward said first tool mount; and means for adjusting said lever longitudinally relative to said pivot to vary the effective lengths of the opposite end portions of the lever, thereby varying the reproduction ratio.

Claim 2

Dependent Claim 358 words

Apparatus for reproducing the shape of the peripheral surface of a pattern on a workpiece, said apparatus comprising: a base having a top surface; a pair of spaced, parallel ways forming a track on said top surface; first and second independently movable carriage platforms disposed above said track and having means thereon engaging said track and mounting the platforms for back and forth reciprocation on opposite end portions of said track; a horizontal pattern support mounted on top of said first platform for rotation about a first vertical axis and for reciprocation with said first platform along the track; a horizontal work support mounted on top of said second platform for rotation about a second vertical axis and for reciprocation with said second platform along the track; means for rotating said pattern support about said first axis and correspondingly rotating said work support about said second axis, and for selectively reversing the direction of rotation of said work support; coupling means between said platforms for reciprocating said second platform in response to reciprocation of said first platform and in opposite directions, comprising a lever, a vertical pivot centrally supporting said lever on said base between said platforms for swinging in a horizontal plane, and a pair of links pivotally connected between said platforms and the opposite ends of said lever to transmit the motions of said opposite ends to the respective platforms; a superstructure above said platforms supported on said base in overlying relation therewith; a first tool mount on said superstructure depending therefrom toward said pattern support and having means thereon for engaging the peripheral surface of the pattern on a side thereof facing longitudinally of said track; a second tool mount on said superstructure depending therefrom toward said work support and having a tool thereon for engaging and shaping the workpiece on a side thereof facing in the opposite direction, longitudinally of said track; means urging said pattern support along said track toward said first tool mount; and means for adjusting said lever longitudinally relative to said pivot to vary the effective lengths of the opposite end portions of the lever, thereby varying the reproduction ratio.

Claim 3

Dependent Claim 71 words

Reproducing apparatus as defined in claim 1 wherein said rotating means comprise a rotary motor centrally mounted on said base, reduction gearing driven by said motor, a pair of spline shafts projecting in opposite directions from said reduction gearing longitudinally of said track and coupled to said supports to rotate them at the same rate, and a control for reversing the direction of said work support relative to said pattern support.

Claim 4

Dependent Claim 55 words

Reproducing apparatus as defined in claim 1 wherein said lever-adjusting means comprise a threaded connection pivotally supported on said base between said platforms, a screw threaded through said connection for longitudinal adjustment therein, said lever being carried by said screw for longitudinal adjustment therewith, and a handwheel mounted on said screw for rotating the same.

Claim 5

Dependent Claim 32 words

Reproducing apparatus as defined in claim 3 wherein said lever has a longitudinal scale thereon, and said connection has a pointer cooperating with said scale to indicate the position of said lever.

Claim 6

Dependent Claim 24 words

Reproducing apparatus as defined in claim 1 wherein at least one of said tool mounts is supported for selective adjustment longitudinally of said track.

Claim 7

Dependent Claim 22 words

Reproducing apparatus as defined in claim 1 wherein both of said tool mounts are supported for selective adjustment longitudinally of said track.

Claim 8

Dependent Claim 50 words

Reproducing apparatus as defined in claim 1 further including means supporting said tool mounts on said superstructure for selective vertical adjustment toward and away from said supports, for machining of successive vertically spaced bands around the workpiece as the follower is moved to successive vertically spaced bands around the pattern.

Claim 9

Dependent Claim 29 words

Reproducing apparatus as defined in claim 7 in which said supporting means for said tool mounts include mechanism for vertically moving said tool mounts in ratios other than one-to-one.

Claim 10

Dependent Claim 89 words

Reproducing apparatus as defined in claim 7 in which said means supporting said tool mounts comprise first and second levers each having a fixed pivot between its ends, an outer end pivotally connected to one of said tool mounts, and an inner end portion extending across the central portion of the apparatus, said inner end portions having sliding connections with a common pivot, and said common pivot being supported on said superstructure for adjustment longitudinally of said track to vary the ratio of the vertical motions of the mounts.

Claim 11

Dependent Claim 32 words

Reproducing apparatus as defined in claim 1 in which said urging means is a spring stretched between said base and said pattern support to urge the latter toward said first tool mount.

Claim 12

Dependent Claim 73 words

Reproducing apparatus as defined in claim 10 in which said first tool mount is a shaft having a follower positioned thereon for rolling engagement with the peripheral surface of the pattern, and in which the pattern has a second surface following said peripheral surface, said rotating means including a chain wrapped around said second surface, a sprocket on said shaft meshing with and driving said chain, and a motor for driving said shaft.

Claim 13

Dependent Claim 41 words

Reproducing apparatus as defined in claim 11 in which said pattern is mounted on said pattern support in off-center relation spaced from said first axis, and in which said urging means urge said pattern toward said shaft from all sides thereof.

Claim 14

Dependent Claim 237 words

Apparatus for reproducing the shape of a peripheral surface of a pattern on a workpiece, said apparatus comprising: first and second carriage platforms supported for back and forth reciprocation along first and second linear paths; means coupling said first and second carriage platforms and transmitting reciprocating motion of said first carriage platform to said second carriage platform and producing corresponding but reverse reciprocation of the latter; a pattern support mounted on said first carriage platform for rotation about a first axis; a work support mounted on said second carriage platform for rotation about a second axis; means coupling said supports and transmitting rotation of said pattern support to said work support to produce corresponding rotation of said work support upon rotation of said pattern support; and means for supporting a pattern-following tool in a first position along said first path for engagement with a longitudinally facing side of the peripheral surface of a pattern on said pattern support, and supporting a work-shaping tool in a second position along said second path for engagement with a longitudinally facing side of a workpiece on said work support, whereby both rotary and reciprocating motion imparted to said pattern support as the pattern is moved relative to and in engagement with the pattern-following tool are transmitted to said work support to move the workpiece thereon correspondingly relative to the work-shaping tool to reproduce the shape of the pattern on the workpiece.

Claim 15

Dependent Claim 237 words

Apparatus for reproducing the shape of a peripheral surface of a pattern on a workpiece, said apparatus comprising: first and second carriage platforms supported for back and forth reciprocation along first and second linear paths; means coupling said first and second carriage platforms and transmitting reciprocating motion of said first carriage platform to said second carriage platform and producing corresponding but reverse reciprocation of the latter; a pattern support mounted on said first carriage platform for rotation about a first axis; a work support mounted on said second carriage platform for rotation about a second axis; means coupling said supports and transmitting rotation of said pattern support to said work support to produce corresponding rotation of said work support upon rotation of said pattern support; and means for supporting a pattern-following tool in a first position along said first path for engagement with a longitudinally facing side of the peripheral surface of a pattern on said pattern support, and supporting a work-shaping tool in a second position along said second path for engagement with a longitudinally facing side of a workpiece on said work support, whereby both rotary and reciprocating motion imparted to said pattern support as the pattern is moved relative to and in engagement with the pattern-following tool are transmitted to said work support to move the workpiece thereon correspondingly relative to the work-shaping tool to reproduce the shape of the pattern on the workpiece.

Claim 16

Dependent Claim 40 words

Reproducing apparatus as defined in claim 13 in which said carriage platforms are independently movable along opposite end portions of a single track defining said paths, and said coupling means are responsive to reciprocating movements of said first carriage platform.

Claim 17

Dependent Claim 42 words

Reproducing apparatus as defined in claim 14 in which the coupling means include a lever having a central pivot and connected to said first carriage platform to be moved thereby, and also connected to said second carriage platform to move the latter.

Claim 18

Dependent Claim 42 words

Reproducing apparatus as defined in claim 15 in which the effective lengths of said lever on opposite sides of said pivot are selectively adjustable to vary the ratio at which reciprocating motion of said pattern support is transmitted to said work support.

Claim 19

Dependent Claim 29 words

Reproducing apparatus as defined in claim 16 in which said effective lengths are adjustable by means of a screw mechanism for shifting said lever longitudinally relative to said pivot.

Claim 20

Dependent Claim 47 words

Reproducing apparatus as defined in claim 17 in which said supports are coupled by a motor drivingly connected to said pattern support and operable to rotate the latter about said first axis, and also connected to said work support to rotate the latter about said second axis.

Claim 21

Dependent Claim 87 words

Reproducing apparatus as defined in claim 13 in which said means for supporting the tools comprise a superstructure overlying said paths in spaced relation with said supports, tool mounts extending toward said supports to hold the tools for engagement with the pattern and the workpiece, and means adjustably securing said tool mounts to said frame for selective variation of the relative spacing of each tool from the associated axis, thereby to vary the relative sizes of the template and the part to be shaped from the workpiece.

Claim 22

Dependent Claim 88 words

Reproducing apparatus as defined in claim 13 further including a superstructure overlying said paths in spaced relation with said supports, tool mounts extending toward said supports to hold the tools for engagement with the pattern and the workpiece, and means supporting said tool mounts on said superstructure for selective and corresponding movement toward and away from said supports, whereby the pattern-following tool is movable along a three-dimensional pattern in steps and the work-shaping tool is correspondingly movable along the workpiece to reproduce the shape thereof in three dimensions.

Claim 23

Dependent Claim 21 words

Reproducing apparatus as defined in claim 20 in which said tool mounts are supported for movement in ratios other than one-to-one.

Claim 24

Dependent Claim 224 words

Apparatus for reproducing the shape of the peripheral surface of a pattern on a workpiece, said apparatus comprising: carriage means supported for back and forth reciprocation and having first and second carriage sections; pattern and work supports respectively mounted on said first and second carriage sections for reciprocation therewith and also for rotation relative thereto about first and second spaced axes movable with the respective carriage sections; coupling means for reciprocating said work support in a manner corresponding to but rEverse to the reciprocation of said pattern support, and also for rotating said work support in a manner corresponding to rotation of said pattern support; means for supporting a pattern-engaging tool in engagement with the peripheral surface of a pattern on said pattern support, and for also supporting a shaping tool for engagement with a workpiece on said work support, to reproduce the shape of the pattern on the workpiece by relatively moving the shaping tool and the work support along a path corresponding to the relative motion of the pattern-engaging tool and the pattern support, as the latter is relatively moved to shift the pattern-engaging tool around the pattern; and means for selectively varying the extent of the relative motion transmitted by said coupling means in order to modify the workpiece produced in a manner corresponding to the variations in such relative motion.

Claim 25

Dependent Claim 224 words

Apparatus for reproducing the shape of the peripheral surface of a pattern on a workpiece, said apparatus comprising: carriage means supported for back and forth reciprocation and having first and second carriage sections; pattern and work supports respectively mounted on said first and second carriage sections for reciprocation therewith and also for rotation relative thereto about first and second spaced axes movable with the respective carriage sections; coupling means for reciprocating said work support in a manner corresponding to but rEverse to the reciprocation of said pattern support, and also for rotating said work support in a manner corresponding to rotation of said pattern support; means for supporting a pattern-engaging tool in engagement with the peripheral surface of a pattern on said pattern support, and for also supporting a shaping tool for engagement with a workpiece on said work support, to reproduce the shape of the pattern on the workpiece by relatively moving the shaping tool and the work support along a path corresponding to the relative motion of the pattern-engaging tool and the pattern support, as the latter is relatively moved to shift the pattern-engaging tool around the pattern; and means for selectively varying the extent of the relative motion transmitted by said coupling means in order to modify the workpiece produced in a manner corresponding to the variations in such relative motion.

Claim 26

Dependent Claim 257 words

Apparatus for reproducing motion at an output station in accordance with motion at an input station, said apparatus having: a first carriage section mounted for back and forth reciprocation along a first path in an input station; a first support mounted on said first carriage section for reciprocation therewith and also for rotation about a first axis on said first carriage section whereby said first support is movable by a combination of rotary and reciprocating motion to produce a selected input motion; a second carriage section mounted for back and forth reciprocation along a second path in an output station; a second support mounted on said second carriage section for reciprocation therewith and also for rotation about a second axis on said second carriage section; means responsive to rotary and reciprocating motion in said input station for rotating said second support about said second axis in a manner corresponding to rotary motion of said first support and for reciprocating said second carriage section in a manner corresponding to but reverse to the reciprocating motion of said first carriage section, thereby to reproduce said input motion at said output station; means for supporting and moving a pattern-engaging tool relative to a pattern at said input station and for supporting and moving a working tool relative to a workpiece at said output station corresponding to the relative movement of the pattern-engaging tool; and means for selectively varying the response to at least one of said motions to vary the corresponding motion of said second support in a controlled manner.

Claim 27

Dependent Claim 257 words

Apparatus for reproducing motion at an output station in accordance with motion at an input station, said apparatus having: a first carriage section mounted for back and forth reciprocation along a first path in an input station; a first support mounted on said first carriage section for reciprocation therewith and also for rotation about a first axis on said first carriage section whereby said first support is movable by a combination of rotary and reciprocating motion to produce a selected input motion; a second carriage section mounted for back and forth reciprocation along a second path in an output station; a second support mounted on said second carriage section for reciprocation therewith and also for rotation about a second axis on said second carriage section; means responsive to rotary and reciprocating motion in said input station for rotating said second support about said second axis in a manner corresponding to rotary motion of said first support and for reciprocating said second carriage section in a manner corresponding to but reverse to the reciprocating motion of said first carriage section, thereby to reproduce said input motion at said output station; means for supporting and moving a pattern-engaging tool relative to a pattern at said input station and for supporting and moving a working tool relative to a workpiece at said output station corresponding to the relative movement of the pattern-engaging tool; and means for selectively varying the response to at least one of said motions to vary the corresponding motion of said second support in a controlled manner.

Claim 28

Dependent Claim 18 words

Reproducing apparatus as defined in claim 23 in which the last-mentioned means varies the reciprocating motion substantially proportionally.

Claim 29

Dependent Claim 30 words

Reproducing apparatus as defined in claim 23 in which the last-mentioned means comprises means for selectively reversing the direction of rotation of said second support relative to said first support.

Claim 30

Dependent Claim 26 words

Reproducing apparatus as defined in claim 23 in which said means for moving the working tool corresponding to the pattern engaging tool varies the movement proportionally.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1977-09-30	1978-04-01	1978-10-01	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1981-09-30	1982-04-01	1982-10-01	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1985-09-30	1986-04-01	1986-10-01	$7700.00	Window Closed / Lapsed

Reproducing apparatus

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