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6415679 Manual drive for positioning precision instruments  
A carriage adapted for carrying a laboratory instrument such as a pipette, electrode, or syringe is driven by a drive shaft in the form of a lead screw. The lead screw is selectively driven by a...
5655419 Handle apparatus  
A handle apparatus has a rough movement handle and a fine movement handle for rotating an output shaft at leastwise two stages of rough and fine movements by rotationally operating these handles....
5121655 Coaxial coarse and fine adjusting device  
A coaxial fine and coarse adjusting device for moving a movable member movably supported on a device body includes a coarse adjustment handle, a fine adjustment handle provided coaxially with...
4919001 Coarse/fine adjustment coaxial handle for feeding microscope stage  
The coarse/fine adjustment coaxial handle for feeding microscope stage comprises a feed screw shaft, a tubular member rotatably fitted over the feed screw shaft and equipped with a disc plate fixed...
4719816 Device for positioning an actuator  
A linearly reciprocable actuator is reciprocated by a mechanism which includes a rotatable part which is operably connected to the actuator to produce linear movement of the actuator in response to...
4633206 Expanded dial arrangement for 56 channel UHF tuner  
The channel selector shaft of a 70 channel mechanically detented UHF tuner is provided with mechanical stops which prevent the shaft from moving above UHF channel No. 69 so that the upper...
4512206 Actuating device for rotating shafts  
An actuating mechanism is rotatably and pivotably mounted to a rotatable adjusting mechanism of an instrument. The rotatable mechanism includes a bearing surface and a friction surface. The...
4270394 Toning shaft for a rotary switch  
A rotary type television tuner includes a chassis and a channel changing shaft extending through the chassis and having an operating knob mounted on the front end thereof for rotating the shaft....
4265128 Turret type frequency selector  
A frequency selector (tuner) employs a turret to select the position of a slide member that is coupled to a variable reactance. The slide member is moved away from the turret by depressing an...
4235556 Platen variable  
A platen variable apparatus is disclosed for rotatably adjusting a platen in step increments and in fine amounts in a typewriter. The apparatus includes an individual hub member rotatably mounted...
4173902 Single-axis coarse and fine adjustment device provided with medium adjustment  
A single-axis coarse and fine adjustment device for driving a carriage comprises a pinion shaft rotatably supported by stationary support means and having a pinion meshing with a rack provided on...
4172390 Lever for memory fine tuning arrangements for turret type television tuner  
In a pivotally mounted member of the memory fine tuning arrangement for a turret type television tuner, a pivotally moved lever plate provided integrally with a pivotal shaft having head portion,...
4114459 Detent UHF tuner with memory type independent fine tuning  
A detent type tuning mechanism for a UHF tuner having a continuously variable tuning shaft includes a detented selector shaft, and a fine tuning mechanism including a rotatable turret having...
4043206 Channel selecting shaft mounting arrangement for UHF tuners  
In arrangement of a channel selecting device used for a UHF tuner of the continuously variable type, a taper clutch is employed for transmitting the rotation of the detented selector shaft to the...
4044327 Trimming potentiometers with coarse and fine adjustment means  
A trimming potentiometer having a resistive member and a rotatable member attached to a wiper in contact with the resistive member for varying the position of the wiper thereon, wherein the...
4027541 Electronic component having a fine adjustment mechanism  
An electronic component of this invention having a fine adjustment mechanism is applicable to a variable resistor, variable capacitor or the like which requires fine adjustment.In this electronic...
4020705 Coarse-fine focusing device for precision machinery  
A coarse-fine focusing device for precision machinery capable of accurate coarse and fine adjustments free from any play in which a gear fixed to a pinion shaft having a pinion is connected to a...
3987680 UHF tuner device  
A UHF Tuner device having a first rotating member rotating unitarily with a coarse tuning rotating shaft and adapted to be indexed and held in a position to which it has been thus rotated; a second...
3972240 Detent UHF tuner with preset memory  
A detent type tuning mechanism for a UHF tuner having a continuously variable tuning shaft includes a detented selector shaft, a gear train interconnecting the tuning shaft and the selector shaft,...
3951001 Vernier drive mechanism  
This invention relates to a vernier drive mechanism, in which a vernier shaft always being subjected to the elasticity of a coil spring is put into a hollow part of a main shaft in a freely...
3931743 Compact speed reduction mechanism for a uhf indicator dial  
A compact speed reduction mechanism for driving a tuning indicator dial of a UHF television tuner or the like includes a harmonic drive unit having a rigid fixed spline and a movable flexible...
3906805 Driving mechanism for driving internally mounted indicators containing fine tune driving mechanism  
A mechanism for driving a television tuner channel indicator located behind a panel and mounted concentrically with a selector shaft and a concentric fine tuning shaft. The driving mechanism...
3902375 Knob mechanism for TV tuner  
A manual operator for a television tuner which includes a unique arrangement of a knob for channel selection and fine tuning ring which is radially larger than the knob and concentric therewith....
3890846 UHF tuner composite dial mounting arrangement  
In a 70 position detented UHF tuner, the tens dial sleeve on which an elongated tens dial member may be mounted is itself maintained coaxial with the station selector shaft by providing a conically...
3882733 Fine tuning shaft for TV tuner  
In TV tuners where the coarse tuning shaft and the fine tuning shaft are mechanically interrelated, there is a tendency for the setting of the fine tuning shaft to change when the coarse tuning...
3875809 Method of fastening a turret oscillator strip and a screw retainer to a channel selector shaft  
A television tuner includes a housing and a channel selector shaft rotatably journaled in the housing. An oscillator coil retainer and an oscillator screw retainer are mounted on a flatted portion...
3871237 TUNER DRIVE ASSEMBLY WITH INERTIAL FINE TUNE STABILIZER  
The assembly has a detented rotatable selector shaft and a rotatable fine tuning shaft which is adapted to move with the selector shaft to preserve the fine tune setting as the channels are...
3844176 SHAFT MOUNTING ARRANGEMENT FOR UHF TUNERS  
Undesired creep between the input station selector shaft of a seventy position detent UHF tuner and the drive pinion connected to the rotor shaft of the tuner is avoided by employing a spacer...
3841164 TUNER DRIVE ASSEMBLY WITH NEUTRALIZED BIAS FOR ENHANCED STABILITY  
A tuner drive assembly for use with a tuning mechanism in a TV receiver or the like having an actuating member, a coarse tuning shaft and a fine tuning shaft. First and second means are provided...
3828613 TUNER DRIVE ASSEMBLY WITH RESETTING FINE TUNING SHAFT  
A tuner drive assembly for use with a tuning mechanism in a T.V. receiver or the like having a coarse tuning shaft and a fine tuning shaft. The fine tuning shaft is rotatably and axially movable...
3797322 FINE TUNING MEANS FOR STEP-BY-STEP TV TUNER  
In a tuner for tuning a TV set or the like to a selected one of a plurality of predetermined frequencies or channels, means are provided for fine tuning of the set at a given channel setting, which...
3788152 INDEXED TV TUNER  
A tuner for tuning a TV set or the like to a selected one of a plurality of predetermined frequencies provides, between the tuning knob and the electrical tuning element, a transmission means which...
3780594 UHF TUNING MECHANISM  
A tuning mechanism for a UHF tuner of the type which has a tuner control shaft adjustable to tune the UHF tuner. The mechanism has a tuning shaft which is rotatable in step-by-step rotation under...
3760640 UHF TUNER HAVING 70 DETENT POSITIONS WITH FINE TUNING AT ALL POSITIONS  
A UHF tuner having 70 detent positions with fine tuning capability at all locations. Coarse tuning is accomplished via a toothed, detented disk and a spirally-extending rim having a follower lever...
3706232 PRESET TUNER WITH IMPROVED TUNING LINKAGE  
A preset tuning mechanism of the type having a channel selector drum including a plurality of adjustable tuning projections is provided with a mechanism adapted to operatively disengage the rotor...
3697904 UHF TUNER  
A UHF tuner comprising a main channel switch-over shaft, a fine adjustment sleeve slidably and telescopically overlapping the main switch-over and not normally coupled to a fine adjustment...
3646823 FINE TUNE MECHANISM  
A multiple-channel VHF television tuner with memory or preset fine tuning. A channel selector shaft provides for the connection of the circuits of the desired channel and to position a fine tuning...
3529478 TUNING DEVICE  
3561275 DRIVE MEANS FOR TUNERS  
3555914 CHANNEL SELECTION ASSEMBLY  
3618406 UHF TUNER  
3618405 STATION SELECTING MECHANISM  
3572135 RELATED POSITION LOCKOUT FOR STEP-POSITIONED SHAFT PAIR  
3444760 BACKLASH CONTROL MEANS FOR INTERNAL GEARING  
3438272 TELEVISION TUNER  
3426604 DIFFERENTIAL SPEED ROTARY DRIVE ASSEMBLY  
3415127 Turret tuner for uhf television and other purposes  
3415128 Pre-set tuner with engagement-locking means  
3406578 Shaft-positioning mechanism  
3385116 Coarse-fine control knob assemblies  
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