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Class 242/907 - VIBRATION CREATION OR DAMPENING


Subclass of Class 242 - Winding, tensioning, or guiding
Definition: Method or apparatus for generating or reducing motion reverberation
No. of patents: 30
Last issue date: 12/02/2003


NumberTitleIssue Date
6655628Bobbin-winding device for a cheese-producing textile machine
A bobbin-winding device (28) for a cheese-producing textile machine with a pivotably seated creel (18) for holding a cheese (11), and a damping device (29), which can be acted on magnetically and is connected with the creel (18). The damping device (29) h...
12/02/2003
6629663Wound roll vibration detection system
An improved system for detecting and controlling vibration of a wound roll in a winding machine includes a programmable controller to which the line speed of a web, diameter of the wound roll and vibration of the wound roll feedback is provided. The progr...
10/07/2003
5896654Method and apparatus for connecting winding materials to terminal elements
In particular to connect wires insulated with highly heat-resistant lacquer to terminal elements, the winding wire has hitherto been wrapped around a terminal element and connected mechanically and electrically at at least one connection point by the loca...
04/27/1999
5730349Tape guide mechanism having vibration mechanism
A tape guide mechanism includes a shaft having one end fixed to a base, a guide part provided in a predetermined position on the shaft to guide a tape, and a vibrating element capable of vibrating the shaft either in a first vibration mode or in a second ...
03/24/1998
5425487Ultrasonic tape guide apparatus
A tape guide device includes a guide member of a cylindrical configuration for guiding a tape, a ultrasonic vibrator secured to the guide member for vibrating the guide member in standing-waves configuration and a supporting member for supporting the guid...
06/20/1995
5381979Spinning reel with handle
A spinning reel comprising a reel body, a handle including an arm projecting to one side with respect to an axis of rotation of the handle, and a grip portion defined in an outer end portion of the arm, a handle shaft connected to the handle to be rotatab...
01/17/1995
5377893Ultrasonic tape guide device
An ultrasonic tape guide device for use in a video tape recorder, for example, has a tubular tape guide disposed around and supported on a shaft mounted on a base. A substantially flat piezoelectric ultrasonic vibrator for vibrating the tubular tape guide...
01/03/1995
5319506Tape recording and/or reproducing apparatus with ultrasonically vibrated tape guides
In an apparatus for recording and/or reproducing signals on a tape and which is selectively operative in a plurality of modes, such as, a normal recording or playback mode, a fast-forward mode, a re-wind mode and a jog mode; the tape is driven between sup...
06/07/1994
5301864Ultrasonic tape guide device
A tape guide device has a guide member, a support shaft, flanges, a main shaft, a coil spring, a height adjustment nut, and a vibrating device, wherein the support shaft is disposed inside the guide member, the support shaft has teeth facing to a position...
04/12/1994
5295618Tape guide device having vibrator with free end portion
A tape guide device comprising a pipe-shaped guide member for guiding a tape, an ultrasonic vibrator for vibrating the guide member by standing waves, and a support member for holding the guide member, wherein one end of the ultrasonic vibrator is kept fr...
03/22/1994
5263625Ultrasonic tape guide apparatus
A tape guide apparatus having a cylindrical guide member for guiding a tape, an ultrasonic vibrator secured to the guide member for vibrating the guide member in a standing wave fashion and a supporting member for supporting the guide member is provided. ...
11/23/1993
5224643Tape guide system with temperature compensation for drive signal
In a tape guide system having a tape guide device for guiding a magnetic tape in a video tape recorder or the like and which comprises a tape guide and an ultrasonic vibrator fixed to the tape guide for vibrating the tape guide with a standing wave, a dri...
07/06/1993
5152444Tape guiding element subjected to ultrasonic oscillations for reducing frictional resistance to movement of guided tape
In a tape guiding device for a video tape recorder or the like, an elongated guide element having a peripheral surface slidably engageable by the tape for guiding the latter is fixedly connected, at spaced apart locations along the guide element, with a s...
10/06/1992
4969609Winding machine for paper or cardboard webs
A winding machine has at least one roll, against which a winding reel is supported. A guide carriage is connected to the respective end of a core of the winding reel. On said guide carriage acts a thrust motor, the force of said motor controlling the line...
11/13/1990
4918552Cassette tape recorder having means for preventing cassette vibration during playback/recording
A cassette tape recorder is provided for suppressing vibration of a cassette during operation of the tape recorder by placing an elastic vibration suppressing sheet on the surface of a hiding plate. The surface of the suppressing sheet which faces the cas...
04/17/1990
4527756Cassette tape machine
The engagement between shaft hub and cassette reel is made resilient to dampen tape resonance. The hub projections can be either of a viscous elastic material, or a radially yieldable spring member....
07/09/1985
4492257On loom cloth takeup with oscillating guide roll
A loom is illustrated having an oscillating guide roll receiving cloth made on the loom for guiding same to the center wound takeup. Means are provided for oscillating the guide roll which includes a drive roll also driven by the cloth for driving mountin...
01/08/1985
4418874Method and apparatus for storing a length of web
Methods and apparatus for storing a length of web push the web from such length into a coiled form, whereby adhesion tends to develop between turns of the web in the coiled form, effectively limiting attainable minimum web coil diameter. According to the ...
12/06/1983
4413793Cassette tape machine
The engagement between shaft hub and cassette reel is made resilient to dampen tape resonance. The hub projections can be either of a viscous elastic material, or a radially yieldable spring member....
11/08/1983
4313577Rotary support for rolls of convoluted webs and means for damping its natural frequency oscillations
A roll of convoluted paper web rests on two parallel supporting rollers having hollow housings for coaxial dynamic damping systems. The damping systems have cylindrical masses with trunnions which are surrounded by rubber rings fitting into sleeves which ...
02/02/1982
4294064Method of and a device for balancing a changing load of a strip roll orbiting about an axis in a strip winding machine
The method of balancing a changing load of a strip roll orbiting about an axis in a strip winding machine comprises the steps of measuring the changing diameter of the strip roll, converting the measured change into electrical control pulses fed to a reve...
10/13/1981
4252154Loom takeup apparatus
A loom takeup apparatus is illustrated wherein cloth is fed directly from the loom to the takeup utilizing an oscillating roll which is slidably mounted for axial oscillation on the longitudinal axis of the roll for distributing the cloth so that the edge...
02/24/1981
4165843Apparatus for winding a web of material, especially paper
An apparatus for winding a web of material has first and second supporting rolls each driven by a motor and has a gap therebetween wherein the spool of the web of goods being rolled is pressure biased by a pressure roll disposed thereabove. A control mech...
08/28/1979
4162829Photographic film drive system employing inertia dumper/energy dissipater
A yieldably resilient shock absorber is provided, which is disposed in driving relationship between a pair of gears in a photographic apparatus drive system. The yieldably resistant shock absorber is confined within an annular chamber or channel defined b...
07/31/1979
4147315Tape transport apparatus
Shock-resistant tape transport apparatus of the type which has supply and take-up reels that are driven by surface engagement of a capstan with the outermost layer of tape on each reel. Each reel is journaled in a separate pivot arm carriage that is urged...
04/03/1979
4114819Apparatus for supporting a bobbin holder shaft in a high speed winder
A bobbin holder shaft is journalled in a bobbin holder shaft support that is, in turn elastically supported relative to a fixed frame. When the support weighs more than the shaft plus the full amount of yarn to be wound thereon, and the lowest order reson...
09/19/1978
4095755Rider roll assembly in a winder
A rider roll assembly in a winder for winding webs of paper or other webs, by means of which a load can be applied on the wound web roll during the winding operation. The rider roll arrangement comprises a movable transversal load beam and one or several ...
06/20/1978
4063689Releasable coupling device
A coupling device for removably connecting a shaft or pin with a body by simple insertion into a body axial cavity, and for joining said body and shaft during controlled axial rotations of the latter, with a vibration damping and a clearance taking-up. Sa...
12/20/1977
4047676Winder vibration dampener
A winder or other rotary mechanism having a rotating member subjected to vibrations such as a rider roll for the winder including an energy absorbing vibration damper connected to the rider roll so that defects in a roll being wound due to vibrational eng...
09/13/1977
4012815Apparatus for abrading fabrics
Apparatus for conditioning fabrics to alter the tonality and feel of the fabric includes a plurality of spaced guide rollers and rotating abrasion cylinders which are adjustable in elevation relative to the guide rollers. The abrasion cylinders also oscil...
03/22/1977
 
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