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Class 74/10.8 - Gear drive


Subclass of Class 74 - Machine element or mechanism
Definition: Devices wherein gearing is interposed between the operator
No. of patents: 42
Last issue date: 08/21/2007


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NumberTitleIssue Date
7259536Solar powered mobile
A solar powered mobile, comprising a drive housing fitting within a case, a solar cell panel fitted within the top of the drive housing, a clear cover over the solar cell panel, a removable DC motor with speed control driven by the solar cell panel, gears connecting...
08/21/2007
7044023Knob with different gear ratios
A knob adjustment device particularly for adjusting the temperature in valve units for water-heating apparatus. The device comprises a geared transmission interposed between the knob and an operating member of the valve unit in order to transmit a rotary movement to...
05/16/2006
4893100External manual rotatable drive useable to tune a VCR
Disclosed herein is a drive device designed to be detachably mounted on an existing video cassette recorder and playback machine and including a friction wheel designed to frictionally engage a channel tuning wheel already located on the machine as manufa...
01/09/1990
4878402Water resistant control linkage
A fluid resistant control linkage assembly having a housing with interior and exterior sides. The control linkage has a circular groove defined in the exterior side of the housing. A ring is rotatably disposed with the groove. A handle is affixed to the r...
11/07/1989
4791823Voltage detector apparatus
A mount is secured to an end of a cylindrical housing with a front side facing outward thereof. A knob is provided having a stem extending from one end and a gear secured to and extending radially outward from the end of the knob. An aperture is formed th...
12/20/1988
4609894Tuning device
A tuning device has a dial drum rotatably supported in a frame, and a rheostat operatively connected to the dial drum. A knob is disposed in alignment with the dial drum. The dial drum has an outer toothing formed on the periphery thereof. A drive gear is...
09/02/1986
4578047Station-selecting device for a radio receiver
A station-selecting device for a radio receiver comprises a rotatable control knob for driving an element of a tuning device which is capable of moving between two end positions. Motion transmission is carried out by applying a coefficient of friction bet...
03/25/1986
4575199Focusing drive for a microscope with flexible drive shaft
The drive has a manual coarse/fine focusing device using a gear drive and additional fine focusing using a motor. The latter is effected through an eccentric cam, rotatingly supported in a guide plate and coupled with the motor. A ball bearing rigidly joi...
03/11/1986
4566344Clutch mechanism in pushbutton tuner
The clutch mechanism in a pushbutton tuner comprises a clutch base plate including a hole, a manual tuning gear disposed at one side of the clutch base plate so as to be manually operated, an inner gear disposed at the other side of the clutch base plate ...
01/28/1986
4532818Clutch interlocking mechanism
A clutch interlocking mechanism for use in a pushbutton tuner wherein a drive gear provided on a clutch mechanism is meshed with a rack of a memory slide, a support bracket, on which the clutch mechanism is mounted, is supported, at one side thereof, by a...
08/06/1985
4532485Fine adjusting mechanism for preset type tuner
An improved fine adjusting mechanism for a preset type tuner, which is so arranged that, with a ring having cam portions being fitted under pressure onto a fine adjusting shaft of a tuner for simultaneous rotation with it and also for slippage with respec...
07/30/1985
4512204Pushbutton-operated waveband or station selector
A pushbutton-operated waveband or station selector which comprises a tuning axis having a tuning knob and rotatably-mounted on a tuning axis mounting plate, an idler plate driving gear rotatably mounted on the plate, an idler roller or gear disposed betwe...
04/23/1985
4501165Cross arm mechanism in a pushbutton tuner
In a pushbutton tuner wherein cross arms are mounted with their flat surface parallel with the surface of the tuner base, a cross arm mechanism includes a pivotally supporting portion of a frequency setting member inserted in an engaging hole of a fixing ...
02/26/1985
4491030Link mechanism in pushbutton-operated waveband or station selector
A link mechanism in a pushbutton-operated waveband or station selector in which a link with a plurality of arms is pivotably fitted on a pivotal shaft; in order to couple to these link arms members which move in different directions, each of the members b...
01/01/1985
4480489Crank mechanism in a pushbutton tuner
A crank mechanism in a pushbutton tuner which comprises a side plate secured on associated one end of crank bars and a crank gear mounted on the outer surface of the side plate, both being supported together by a caulked shaft and one of the crank gear an...
11/06/1984
4478098Pushbutton tuner
A pushbutton tuner formed of a base unit (A) including a memory slide and operating members for displacing the memory slide upon operation of a push button; a coil unit (B) including a movable member provided with cores displaceable relative to coils; a c...
10/23/1984
4468976Pushbutton-operated waveband or station selector
A pushbutton-operated waveband or station selector or tuner, comprising a front panel to which a bracket for each pushbutton is supported perpendicular thereto so as to be movable to-and-fro, said pushbutton being provided with a push piece for kick arm a...
09/04/1984
4463619Crank mechansim in a pushbutton tuner
A crank mechanism in a pushbutton tuner is characterized in that a crank gear and a backlash preventing gear, both mounted on one associated end of crank bars of the pushbutton tuner, are formed with stepped-down portions so that teeth formed on them are ...
08/07/1984
4449955Operating shaft mechanism in a pushbutton tuner
An operating shaft mechanism in a pushbutton tuner, etc. characterized in that there is formed an enlarged portion in a central portion of a shaft element and the enlarged portion is formed with a plurality of slits in different phases with each other. Th...
05/22/1984
4433588Clutch mechanism
A bearing mechanism for clutch shaft, in which a U-shaped fork bracket is secured to the frame side face of a pushbutton-operated tuner, of the right and left arms of said U-shaped fork bracket, to the one on the frame side being formed a V-shaped bearing...
02/28/1984
4331039Gear changer
A fine/coarse data selector apparatus for aircraft flight control systems and instruments is manually adjustable in either an incremental fine mode or an uninterrupted slew mode by means of a high resolution gear change clutch means which eliminates any g...
05/25/1982
4326430Indication element driving device
An indication element driving device is incorporated within a tuning apparatus. The driving device comprises a casing of a substantially cylindrical shape with both end faces covered, a driving shaft is rotatably supported passing through the covered end ...
04/27/1982
4311056Pre-setting fine tuning device for a turret type television tuner
The present television fine tuning is so constructed that an initial rotation establishes the fine tuning state and that a continued rotation of the fine tuning shaft performs the fine tuning. For this purpose the present tuner comprises a fine tuning dri...
01/19/1982
4308757Clutch device, particularly for the manual tuning control in a car radio
A clutch device, particularly for the manual tuning control in a car radio, has the function of positively transmitting, through rack and pinion gears, movement from the tuning knob to the tuning runner. The clutch device comprises a rotating shaft (16) a...
01/05/1982
4253074Push pre-setting fine tuning device for turret type television tuners
The present fine tuning device comprises a fine tuning shaft mounted concentrically around a main channel selecting shaft supported in a chassis base. A plate spring member is disposed on the chassis for thrust biasing the fine tuning shaft. A gear member...
02/24/1981
4186612Tuner driving mechanism permitting play in location of input member
A communication set tuner has a control member which varies the tuning status of the set; a rotatable input member is provided for driving the control member; the driving connection between the input member and the control member is so designed that the i...
02/05/1980
4172390Lever 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, neck portion and body portion, is pivotally mounted on a fr...
10/30/1979
4125028Rotatable link coupling mechanism for radio tuning shafts
A rotatable link coupling mechanism with a first disc attached to one end of a radio tuner shaft, a second intermediate disc, and a third disc attached to the end of a moveably positioned drive shaft. The first and second discs and the second and third di...
11/14/1978
4114459Detent 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 mounted thereon a plurality of cams, each adjustable by a fine t...
09/19/1978
4096767Indexing and intermittent drive mechanism
A control shaft extends through and is rotatable in a housing parallel to a stub shaft therein which has one end extending through one wall thereof. Within the housing are four bevel gears, one being keyed or fixed to the control shaft, a second rotatable...
06/27/1978
4062243Tuner pinion gear guide
Radio tuner assembly with guide means for automatically maintaining the axis of the pinion gear in radial alignment with the crown gear on the tuner shaft. The tuner shaft is rotatably coupled to one end of the guide means. The pinion gear shaft is slidab...
12/13/1977
4048949Planetary turret indicator
A turret indicator for a television receiver includes a stationary gear attached to a mounting base with a shaft passing through it. A rotatable carrier turret is mounted on the shaft and it carries five rotatable planetary indicator turrets which are pro...
09/20/1977
4044327Trimming 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 rotatable member has a peripherally toothed portion and the non-r...
08/23/1977
4041422Fine tuning assembly for preset tuner
A plurality of fine tuning elements are mounted on a disc which is rotatable by a selector shaft so that a selected tuning element is in a tuning position. Each tuning element comprises a screw with a gear mounted at the end thereof. A tuning shaft is rot...
08/09/1977
3990315Detent 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 tuner shaft and the selector shaft, and a memory type fine tuning mechanism including a rotatab...
11/09/1976
3979966Clutch device for either intermittent or continuous driving of perforated film
Perforated information-bearing media in strip form, for example film in cinematographic devices, is driven either intermittently or continuously. The normally used Geneva stop (Maltese cross), which is connected via an output shaft to the sprocket engagin...
09/14/1976
3973229Combined 82-position UHF and VHF television tuner with memory fine tuning
A combination UHF and VHF television tuner having a single detented selector shaft for individually selecting each one of the 82 UHF and VHF television channels and a single fine tuning shaft for providing memory fine tuning of channels in both the UHF an...
08/03/1976
3972240Detent 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, and a memory type fine tuning mechanism including a rotata...
08/03/1976
3964320Adaptable tuner assembly
The assembly has a tuning control shaft which is adjustable over a range of positions to conform to a range of tuner designs. An adjustable guide bracket for the manual tuning pinion gear allows the pinion gear to be positioned along a radius of the crown...
06/22/1976
3961265VHF-UHF switching mechanism of a television receiver
This invention relates to a VHF-UHF switching mechanism of a television receiver provided with VHF and UHF tuners, and provides a VHF-UHF switching mechanism with a simple structure capable of selecting VHF and UHF channels by means of one main operation ...
06/01/1976
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