US3703833A — Differential motion magnifying mechanism

Claim 1

Independent Claim 329 words

In a radio tuner mechanism including a plurality of wave signal tuner devices, each said device having a coil portion and a core portion movable with respect to the coil portion, said core portions of said tuner devices connected to a common carriage, said carriage being movable along a path to simultaneously alter the positions of the core portions with respect to corresponding coil portions, and a plurality of pushbuttons each mounted for movement in a predetermined direction between first and second positions for positioning said core carriage to predetermined locations, respectively, thereby causing said core portions to assume predetermined positions with respect to said coil portions, positioning means associated with each of said pushbuttons and fixable at a corresponding predetermined location, a plurality of core carriage moving mechanisms, one of which is connected to each of said pushbuttons for actuation in response to the movement of the latter to engage and move said core carriage to a different predetermined position determined by a corresponding positioning means, each said mechanism comprising a first gear mounted for rotation about a fixed axis, a second gear similar to said first gear, connected to said pushbutton at the axis thereof and movable therewith, the axes of said gears being substantially parallel to each other and said second gear being spaced from and substantially coplanar with said first gear, a first rack mounted for meshing engagement with each of said gears on one side thereof, and second and third racks, each being mounted in meshing engagement with one of said gears on the side thereof opposite said first rack for movement along a common path, whereby upon moving one of said pushbuTtons from said first to said second position, the second and third racks of a corresponding core carriage moving mechanism are moved toward each other to engage said core carriage and a corresponding positioning means therebetween, thereby to move the said core carriage to said predetermined position designated by said positioning means.

Claim 2

Dependent Claim 329 words

In a radio tuner mechanism including a plurality of wave signal tuner devices, each said device having a coil portion and a core portion movable with respect to the coil portion, said core portions of said tuner devices connected to a common carriage, said carriage being movable along a path to simultaneously alter the positions of the core portions with respect to corresponding coil portions, and a plurality of pushbuttons each mounted for movement in a predetermined direction between first and second positions for positioning said core carriage to predetermined locations, respectively, thereby causing said core portions to assume predetermined positions with respect to said coil portions, positioning means associated with each of said pushbuttons and fixable at a corresponding predetermined location, a plurality of core carriage moving mechanisms, one of which is connected to each of said pushbuttons for actuation in response to the movement of the latter to engage and move said core carriage to a different predetermined position determined by a corresponding positioning means, each said mechanism comprising a first gear mounted for rotation about a fixed axis, a second gear similar to said first gear, connected to said pushbutton at the axis thereof and movable therewith, the axes of said gears being substantially parallel to each other and said second gear being spaced from and substantially coplanar with said first gear, a first rack mounted for meshing engagement with each of said gears on one side thereof, and second and third racks, each being mounted in meshing engagement with one of said gears on the side thereof opposite said first rack for movement along a common path, whereby upon moving one of said pushbuTtons from said first to said second position, the second and third racks of a corresponding core carriage moving mechanism are moved toward each other to engage said core carriage and a corresponding positioning means therebetween, thereby to move the said core carriage to said predetermined position designated by said positioning means.

Claim 3

Dependent Claim 102 words

In a radio tuner mechanism as claimed in claim 1 wherein said positioning means associated with each of said pushbuttons is movable to predetermined fixed positions between said second and third racks of each said core carriage moving mechanism for selecting a predetermined location to which said core carriage is to be moved upon movement of a corresponding pushbutton from said first to said second position, said second and third racks engaging both said fixable positioning means and said core carriage to align the latter with the former, whereby said core carriage is moved to the preselected location of said positioning means.

Claim 4

Dependent Claim 213 words

A mechanism for positioning a movable control element to a predetermined position defined by a fixed marker, said mechanism comprising: first gear means mounted for rotation about a fixed axis, second gear means mounted for rotation about an axis and being movable along a predetermined path, the axes of said gear means being substantially parallel, an actuator connected to said second gear means at said axis and movable between a first and second position, whereby said second gear means is moved along said predetermined path toward and away from said first gear means, respectively, a first rack mounted in meshing engagement with said gear means on a first side thereof, and second and third racks each being mounted in meshing engagement with a respective one of said gear means on a side thereof opposite said first rack, said first rack being substantially parallel to said second and third racks, portions of said second and third racks positioned on opposite sides of said movable control element and said fixed marker, and movable toward each other into engagement with both said marker and control element in response to the movement of said actuator from said first to said second position, whereby said control element is moved to a position substantially the same as said marker.

Claim 5

Dependent Claim 213 words

A mechanism for positioning a movable control element to a predetermined position defined by a fixed marker, said mechanism comprising: first gear means mounted for rotation about a fixed axis, second gear means mounted for rotation about an axis and being movable along a predetermined path, the axes of said gear means being substantially parallel, an actuator connected to said second gear means at said axis and movable between a first and second position, whereby said second gear means is moved along said predetermined path toward and away from said first gear means, respectively, a first rack mounted in meshing engagement with said gear means on a first side thereof, and second and third racks each being mounted in meshing engagement with a respective one of said gear means on a side thereof opposite said first rack, said first rack being substantially parallel to said second and third racks, portions of said second and third racks positioned on opposite sides of said movable control element and said fixed marker, and movable toward each other into engagement with both said marker and control element in response to the movement of said actuator from said first to said second position, whereby said control element is moved to a position substantially the same as said marker.

Claim 6

Dependent Claim 93 words

A mechanism as claimed in claim 3 wherein said gear means each include a first arcuate segment having a radius of a first length and a second arcuate segment having a radius shorter than said first arcuate segment, said first rack being in meshing engagement with the second arcuate segments of said gear means and said second and third racks being in meshing engagement with the first arcuate segments of said gear means, respectively, whereby the movement of said second and third racks is increased in relation to the movement of said actuator.

Claim 7

Dependent Claim 233 words

A tuner mechanism for a pushbutton type radio receiver comprising, a plurality of wave signal tuner core assemblies including a plurality of stationary tuning coils and an equal number of cores movable with respect to respective ones of said coils for altering the wave signal reception of said radio receiver, a movable carriage to which said movable cores are attached for simultaneous movement with respect to said coils, a plurality of pushbuttons each mounted for movement between first released and second depressed positions, each for moving said core carriage to a predetermined location, thereby causing said cores to assume predetermined positions with respect to said coils, marker means associated with each pushbutton, each positioned at a location whereat said core carriage is to be moved in response to the depression of a corresponding pushbutton and a plurality of core carriage driving mechanisms one of which is associated with each said pushbutton, each said core carriage driving mechanism including gear means coupled to said pushbutton and first and second normally separated racks mounted in meshing engagement with said gear means for movement toward and away from each other iN response to the depression and release, respectively, of said pushbutton, whereby said racks engage said core carriage and respective marker means to move the former into alignment with the latter, thereby to alter the wave signal reception of said tuner mechanism to a predetermined setting.

Claim 8

Dependent Claim 233 words

A tuner mechanism for a pushbutton type radio receiver comprising, a plurality of wave signal tuner core assemblies including a plurality of stationary tuning coils and an equal number of cores movable with respect to respective ones of said coils for altering the wave signal reception of said radio receiver, a movable carriage to which said movable cores are attached for simultaneous movement with respect to said coils, a plurality of pushbuttons each mounted for movement between first released and second depressed positions, each for moving said core carriage to a predetermined location, thereby causing said cores to assume predetermined positions with respect to said coils, marker means associated with each pushbutton, each positioned at a location whereat said core carriage is to be moved in response to the depression of a corresponding pushbutton and a plurality of core carriage driving mechanisms one of which is associated with each said pushbutton, each said core carriage driving mechanism including gear means coupled to said pushbutton and first and second normally separated racks mounted in meshing engagement with said gear means for movement toward and away from each other iN response to the depression and release, respectively, of said pushbutton, whereby said racks engage said core carriage and respective marker means to move the former into alignment with the latter, thereby to alter the wave signal reception of said tuner mechanism to a predetermined setting.

Claim 9

Dependent Claim 104 words

A tuner mechanism as claimed in claim 5 wherein said gear means include a pair of gears, each mounted on separate parallel shafts for rotation thereon, respectively, one of said gear shafts being fixed and the other being mounted for movement toward and away from said first mentioned gear shaft, said first rack mounted in meshing engagement with said first gear and the second rack being mounted in meshing engagement with said second gear, said pushbutton being connected to said second gear shaft, whereby upon depression of said pushbutton, said racks are moved together to move said core carriage to said predetermined marker setting.

Claim 10

Dependent Claim 89 words

A mechanism for positioning a movable control element to a predetermined position defined by a fixed marker, said mechanism comprising gear means, an actuator movable between first and second positions coupled to said gear means, and first and second normally separated racks mounted in meshing engagement with said gear means for movement toward each other in response to the movement of said actuator from said first to said second position, said racks engaging said control element and said marker therebetween to move the former into alignment with the latter.

Claim 11

Dependent Claim 89 words

A mechanism for positioning a movable control element to a predetermined position defined by a fixed marker, said mechanism comprising gear means, an actuator movable between first and second positions coupled to said gear means, and first and second normally separated racks mounted in meshing engagement with said gear means for movement toward each other in response to the movement of said actuator from said first to said second position, said racks engaging said control element and said marker therebetween to move the former into alignment with the latter.

Claim 12

Dependent Claim 72 words

A mechanism as claimed in claim 7 wherein said gear means include first and second gears, each mounted for rotation about an axial shaft, the first mentioned gear being fixed at a predetermined position and the second gear being connected at said shaft to said actuator for movement therewith toward and away from said first gear, each of said racks being mounted in meshing engagement with a respective one of said gears.

Claim 13

Dependent Claim 116 words

A mechanism for positioning a movable control element to a predetermined position defined by a fixed marker, said mechanism comprising first and second members movable toward and away from each other along a predetermined path, said control element and marker positioned along said path between said members, actuator means movable in first and second directions along a predetermined path, and means coupling said actuator means and said members for moving said first and second members toward each other in response to the movement of said actuating means in said first direction to clamp said control element and marker therebetween, thereby to move said control element along said path substantially to the position defined by said marker.

Claim 14

Dependent Claim 116 words

A mechanism for positioning a movable control element to a predetermined position defined by a fixed marker, said mechanism comprising first and second members movable toward and away from each other along a predetermined path, said control element and marker positioned along said path between said members, actuator means movable in first and second directions along a predetermined path, and means coupling said actuator means and said members for moving said first and second members toward each other in response to the movement of said actuating means in said first direction to clamp said control element and marker therebetween, thereby to move said control element along said path substantially to the position defined by said marker.

Claim 15

Dependent Claim 98 words

A mechanism as claimed in claim 9 wherein said coupling means include a pair of generally circular members mounted for rotation on separate substantially parallel shafts, one of said members being movable along a path toward the other member and connected to said actuator means, each said first and second member being in contacting engagement with one of said rotatable members, whereby upon moving said actuator means in said first direction, said rotatable members are rotated to cause said first and second members to be moved toward each other, thereby to clamp said control element and marker therebetween.

Claim 16

Dependent Claim 63 words

A mechanism as claimed in claim 10, wherein said rotatable members are gears, wherein said first and second members are racks mounted in meshing engagement with said gears and wherein said actuator means include a pushbutton connected to said movable gear, whereby depression of said pushbutton moves said gear in said first direction and release thereof move said gear in the opposite direction.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1975-11-28	1976-05-29	1976-11-28	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1979-11-28	1980-05-29	1980-11-28	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1983-11-28	1984-05-29	1984-11-28	$7700.00	Window Closed / Lapsed

Differential motion magnifying mechanism

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