US3662618A - Instrument knob having integral detent mechanism and panel mount socket means - Google Patents
Instrument knob having integral detent mechanism and panel mount socket means Download PDFInfo
- Publication number
- US3662618A US3662618A US40885A US3662618DA US3662618A US 3662618 A US3662618 A US 3662618A US 40885 A US40885 A US 40885A US 3662618D A US3662618D A US 3662618DA US 3662618 A US3662618 A US 3662618A
- Authority
- US
- United States
- Prior art keywords
- knob
- socket
- shaft
- knob body
- panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/08—Turn knobs
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
- G05G1/10—Details, e.g. of discs, knobs, wheels or handles
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
- G05G1/10—Details, e.g. of discs, knobs, wheels or handles
- G05G1/12—Means for securing the members on rotatable spindles or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/03—Means for limiting the angle of rotation of the operating part
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/36—Driving mechanisms
- H01H21/50—Driving mechanisms with indexing or latching means, e.g. indexing by ball and spring; with means to ensure stopping at intermediate operative positions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/11—Movable parts; Contacts mounted thereon with indexing means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20576—Elements
- Y10T74/20636—Detents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20576—Elements
- Y10T74/20732—Handles
- Y10T74/20834—Hand wheels
- Y10T74/2084—Knob or dial
Definitions
- An integral bushing or termination socket is provided whereby the knob may be assembled onto a panel in a rotationally predetermined orientation.
- the detent mechanism includes an indentation contour on a flange end of the termination socket within the knob body.
- the knob body is constructed in sections whereby the assembly of stop rings, detent balls and spring retaining means may be accomplished and then enclosed within the knob body by snap-fit assembly of the knob body shell over those elements.
- ABSTRACT 10 Claims 3 Drawing Figures INSTRUMENT KNOB HAVING INTEGRAL DETENT MECHANISM AND PANEL MOUNT SOCKET MEANS on its side facing the apparatus, is provided with a hollow v space for receiving an arresting or click-stop device serving to fix the positions of rotation of the shaft.
- Such types of rotary knobs are required above all for rotary switches comprising a control knob mounted to the control shaft thereof, and by which certain switching positions of the shaft can be adjusted.
- the fixing or arresting of switching positions of a control shaft is effected with the aid of a click-stop or arresting device which is joined to the apparatus to be operated, or which, e.g., may be built into the apparatus.
- this click-stop device consists of biassed or pretensioned balls which, for the purpose of effecting their engagement, are provided with fixed arresting positions. It may, for example, be surrounded by a spacing portion forming part of the housing, whereas the remaining parts of the housing are composed of stator parts which are piled on top of each other, surrounding the shaft.
- Electric rotary switches of this type and construction have already been extensively miniaturized, in that the parts thereof are being designed very small.
- the foregoing proposal was based on the consideration that the rotary knob, for serving as a handle, must have a certain size, but that the space enclosed thereby, is not fully utilized, whereas the apparatus itself is supposed to be of a space-saving construction.
- the present invention is based on the same consideration and has for its object to provide a rotary knob suitable for being mounted to a shaft and which, at the same time, contains a click-stop device, so that it will thus become possible for certain devices in which a shaft is to be turned or adjusted, to be miniaturized to very small dimensions.
- the engaging member of the click-stop device is a termination socket which is provided with a shaft-passage opening and is joined to a rotary knob in the axial direction, with this termination socket, on its side facing the apparatus, is provided with means allowing to be mounted to the apparatus and, on its side not facing the apparatus, is designed to carry an engaging contour in which resiliently supported holding (engaging or arresting) members which are guided by a holding body (guide ring) which is coupled in a motion-locking fashion to the shaft, are permitted to slide.
- the invention offers the advantage, according to which it is possible, merely by interchanging the rotary knob, to provide certain devices in which a control shaft is to be fixed or engaged in predetermined rotary positions, with a click-stop or arresting device. In so doing, it is still possible, as up to now, for the rotary knob to be mounted from one side.
- a further advantage capable of being achieved by the invention resides in the fact that such types of devices may have very small dimensions which they are required to have, for example, when intended to be built into printed circuit boards.
- the present invention offers the advantage that a limiting stop function which might be required in certain cases, may be replaced from the apparatus into the rotary knob, thus resulting in a further saving of space in the apparatus. According to an advantageous further embodiment of the invention, this is accomplished in that into the hollow space of the rotary knob there is inserted a limiting stop device which, in a motion-locking fashion, is joined thereto, and with the aid of which it will become possible to prevent the shaft from being turned beyond a predetermined angle.
- FIG. 1 shows a longitudinal section taken through a rotary knob comprising a click-stop device and a limiting-stop device according to the invention
- FIG. 2 shows a top view taken in the direction indicated by the arrow A, of this rotary knob, with the front plate or panel removed, and
- FIG. 3 shows a cross section taken along line B-C taken through the rotary knob shown in FIG. 1.
- the shown rotary knob 10 comprises an internal housing 20 and an external housing surrounding the latter at least partly in a form-locking manner, and composed of three parts 30, 40, 50 capable of being placed on top of each other, with the reference numeral 30 indicating the bottom of the housing carrying the internal housing, and with the reference numeral 40 indicating the sleeve of the housing provided with corrugated handling areas 41, and with the reference numeral 50 indicating the cover of the housing (housing cap) terminating the sleeve of the housing at the top end.
- this housing cap is detachably latched to the sleeve of the housing 40.
- the bottom of the housing 30 meets with one face sided end against the neighboring face side of the sleeve of the housing 40 and is likewise detachably mounted in the internal housing by means of a snap-action joint.
- the detachable bottom of the housing 30 is provided on its inside with a circular groove 31, and the internal housing 20 is provided on its outside facing the bottom of the housing, with a circular cam 21 fitting into the circular groove 31.
- An indicator 32 molded to the bottom of the housing 30 serves to indicate the respective rotary position of the rotary knob 10.
- the circular cam 21 is provided along its circumference with slots 22 arranged in an angular division corresponding to the engaging positions of the rotary knob 10, with these slots 22 capable of being engaged by a radial inwardly directing nose portion 33 as molded to the inner circumference of the detachable bottom part 30 of the housing.
- the mechanical connection between the sleeve of the housing 40 and, consequently, of the rotary knob 10 and the control shaft 60 of the apparatus to be operated, is effected via a collet or holding fixture 70 which is provided with a shaftpassage opening 71, which is accommodated in a hollow space 23 not facing the apparatus, and forming part of the internal housing 20.
- the sleeve of the housing 40 comprises a collar 42 extending into this hollow space, to which the tightening or tension nut of the collet or holding fixture 70 is pressed via a shim plate (washer) arranged therebetween.
- Both the tightening (or tension) nut 80 and the shim plate (or washer) 90 are arranged in a hollow space 52 of the housing cap 50 or in a hollow space 43 adjacent the housing cap, of the sleeve of the housing 40 respectively. Since the shim plate 90, in turn, is lying closely against one neighboring face side of the sleeve of the housing 40, this simultaneously establishes a mechanical connection between the internal housing 20 and the external sleeve of the housing 40.
- the internal housing 20 contains the entire click-stop or arresting device for retaining the positions of rotation.
- a termination socket 100 which is connected to the rotary knob in the axial direction, and is provided with a shaft-passage opening 101, hence which has to be supported stationarily, e.g., on the front panel 110 of the apparatus to be operated.
- the termination socket 100 comprises one part projecting out of the internal housing 20, on which means are provided for allowing mounting to the apparatus.
- the termination socket is moreover provided with a stop element 104 which, for example, is designed to have the shape of a nose engaging the front panel.
- the stop element 104 may simultaneously serve as a stationary limiting stop for restricting the rotary movement of the control shaft 60.
- the shown stop member 104 enables a particularly simple torsion-proof mounting of the termination socket 100 to the apparatus or the front panel 110 thereof respectively, because during assembly of the rotary knob 10, the stop member merely has to be inserted into a corresponding recess provided in the front panel.
- the necessary torsional resistance may also be obtained in any other way, for example, by providing a recess in the termination socket 100 which is then engaged by a nose or engaging portion arranged on the front panel 110 of the apparatus.
- the termination socket 100 can also be joined in a completely different way to the apparatus, for example, by way of screwing or cementing (glueing).
- a guard or retaining ring 120 which is arranged in an annular groove 24 of the internal housing 20, lying closely against a collar 105 of the termination socket within the range of its face side pointing into the hollow space 27 of the internal housing.
- the termination socket 100 acting as the engaging or arresting member With an engaging or arresting contour 106.
- This engaging contour in which holding or engaging members slide which are resiliently supported and retained and guided in a suitable way, is arranged on the face side of the termination socket 100 not facing the apparatus or the front panel 1 10 thereof respectively.
- suitable hold or engaging members there may be considered, in particular, balls 130, 140.
- the holding body guiding these balls is designed to have the shape of a ring 150 surrounding the control shaft 60 and in the circular recesses of which the balls are supported.
- this guide ring 150 In order to ensure that this guide ring 150 is being taken along by the housing capable of rotating about the termination socket 100, when actuating the control shaft 60, it is designed to engage with its segmentshaped projections 15] as arranged along its outer circumference, the correspondingly adapted cutouts or recesses as arranged on the inside of the housing 20.
- both the engaging and the shaft position can be fixed in relation to one another.
- the inner circumference of the guide ring 150 may be adapted to the profile of the control shaft, e.g., a flat shaft. This might be of significance, for example, in cases where rotors are mounted on the control shaft 60 which are intended to be turned as well, and carry contact members, which in turn, cooperate with stator contact members by performing a corresponding opening and closing.
- the balls 130, 140 Upon actuating the control shaft 60, the balls 130, 140 are advanced in a step by step manner from engaging point to engaging point, for fixing thus the position of rotation of the shaft, and for bringing certain stator and rotor contact members into or out of contact respectively.
- the arrangement of the rotors and stators and of the contact members thereof can be made in the usual way, and is of no significance to the present invention.
- two diametrically opposing, circular openings are arranged in the guide ring at an equally spaced relation from the shaft 60.
- a ball-retaining disk which is provided with a shaft-passage opening, is placed by a flexible device against the balls 130, 140. This is accomplished with the aid of a helical compression spring which is retained and guided concentrically in relation to the shaft 60 in a circular groove 26 as provided in the housing 20, and extending in the axial direction.
- This helical compression spring thus presses the balls 130, 140 against the face side wall of the termination socket 100 and, consequently, against the engaging contour 106.
- the ball-retaining disk 160 is uniformly pressed against the balls 130, 140, thus resulting in a particular precise and easy-going engagement or arresting in all positions of rotation of the rotary knob 10 at the required actuating moment.
- the invention is in no way restricted to the feature of employing two such engaging or arresting members only. Moreover, it is equally well possible to employ rollers instead of the balls as holding, engaging or arresting members.
- the limiting-stop rings 180, 190 which, with segment-like projecting portions 181 (or 191 respectively) as arranged along the outer circumference thereof, engage the correspondingly adapted recesses or cutouts 25 on the inside of the housing 20.
- these two limiting-stop rings 180, 190 each comprise an inwardly extending arresting catch 182 or 192 respectively.
- These two arresting catches 182, 192 together form an angle which is determined by the number of desired positions of rotation (switching positions), and cooperate with a stationary limit stop, such as the stop element 104, in the sense of restricting the rotary motion of the control shaft 60 in both directions.
- a stationary limit stop such as the stop element 104
- one single ring instead of two such rings, which then comprises two arresting catches 182, 192.
- the distance or spaced relation between the limiting stops can no longer be readjusted.
- one such limiting-stop ring or with one arresting catch 182 or 192 is sufiicient.
- the shaft 60 can only be turned by 360, with the respective arresting catch 182 or 192 for restricting the rotary motion, appearing on opposite sides of the stationary limiting stop, e.g., at the stop element 104.
- the axial fixing of the limiting-stop rings 180, 190 in relation to the control shaft 60 is effected, on one hand, by the guard or retaining disk 120 as arranged inside the housing 20 of the rotary knob and, on the other hand, by the inwardly projecting joined-on portion 34 of the bottom of the housing 30.
- the guard or retaining disk 120 as arranged inside the housing 20 of the rotary knob and, on the other hand, by the inwardly projecting joined-on portion 34 of the bottom of the housing 30.
- the rotary knob 10 according to the invention can be mounted in the usual way to a control shaft 60. It is merely required to provide any suitable kind of device for preventing the termination socket 100 from being turned. As already mentioned, this means for preventing a rotation can be formed by a recess or cutout provided in the front panel 110 of the apparatus. Alone by the employment of one rotary knob according to the invention, switches or other devices capable of being operated by a shaft, can be provided with a click-stop or engaging device.
- the rotary knob as shown in FIGS. 1 to 3 can be made of any suitable material.
- the three outer parts of the housing of the rotary knob 10, i.e., the bottom 30, the sleeve 40, and the cap 50 of the housing are made from a suitable injection molded plastic material, whereas the internal housing 20, as well as the termination socket 100 are made from a die-casting zinc alloy (injectiommolded or die-cast zinc).
- a rotary shaft control instrument knob having self-contained detenting mechanism within the body of said knob, comprising: a termination socket in the form of a bushing having a flanged end and a bore therethrough coaxial with the axis of rotation of said knob to accept the said shaft to be controlled, with rotational freedom, said socket being adapted to be inserted and retained partly through an opening in a panel with said flanged end projecting into the interior of said knob body; means for retaining said knob body against substantial axial movement while permitting rotation thereof with respect to said termination socket; shaft lock means within and rotationally keyed to said knob body for securing rotational continuity between said knob and said shaft; detent means comprising a series of indentations constituting an engaging contour distributed circumferentially about the face of said flange, and at least one rolling member of circular cross section in at least one plane operative against said indentations; resilient means operating against the inside of said knob body for maintaining a compressive force between said rolling member and said flange; guide means keyed to
- Apparatus according to claim 1 including a keying arrangement between the external body of said socket and the perimeter of said opening for retaining said termination socket within said opening in said panel and for locking said socket in place rotationally.
- Apparatus according to claim 1 including an at least partially radially outwardly projecting finger connected to the outer perimeter of said socket within said knob body and at least one stop ring keyed to said knob body and having at least one radially inwardly projection oriented to engage said outwardly projecting finger at a predetermined angular position of said knob and shaft.
- Apparatus according to claim 1 having two of said stop rings stacked axially and each having multiple peripheral keying means whereby they may be separately keyed to said knob body to provide first and second angular limits of operation of said knob and shaft.
- said knob body is composed of at least two axially assembled hollow parts, a first of said parts containing said stop ring, whereby said knob may be assembled by emplacing said first part in proximate position over said panel opening and inserting said socket through said first part and said panel.
- pparatus according to c aim 6 including a second hollow knob body part axially snap-fitted into said first part, said second part including an internal surface in a plane normal to the axis of said knob to face said termination socket flange to carry said resilient means bearing against said circular cross section member.
- Apparatus according to claim 8 having at least two circular cross section members substantially diametrically opposite in position along said engaging contour and said members are balls.
- said resilient means comprises a pressure ring inserted against said balls opposite said engaging contour and a helical spring bearing against said pressure ring and caged in an annular groove inside said knob body second part.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Control Devices (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691927901 DE1927901A1 (de) | 1969-05-31 | 1969-05-31 | Drehknopf |
Publications (1)
Publication Number | Publication Date |
---|---|
US3662618A true US3662618A (en) | 1972-05-16 |
Family
ID=5735794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US40885A Expired - Lifetime US3662618A (en) | 1969-05-31 | 1970-05-27 | Instrument knob having integral detent mechanism and panel mount socket means |
Country Status (10)
Country | Link |
---|---|
US (1) | US3662618A (ja) |
JP (1) | JPS5238235B1 (ja) |
AT (1) | AT306149B (ja) |
BE (1) | BE751784R (ja) |
CH (1) | CH524880A (ja) |
DE (1) | DE1927901A1 (ja) |
FR (1) | FR2044839A1 (ja) |
GB (1) | GB1255295A (ja) |
NL (1) | NL7007879A (ja) |
SE (1) | SE356841B (ja) |
Cited By (55)
Publication number | Priority date | Publication date | Assignee | Title |
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US4132129A (en) * | 1977-06-03 | 1979-01-02 | Raytheon Company | Wedge lock knob assembly |
GB2165033A (en) * | 1984-09-26 | 1986-04-03 | Licentia Gmbh | Disappearing rotary knob |
US4744265A (en) * | 1985-03-20 | 1988-05-17 | Shimano Industrial Company Limited | Lever shifting device for a bicycle |
US4751850A (en) * | 1984-04-03 | 1988-06-21 | Shimano Industrial Company, Limited | Speed change operating device for a bicycle |
US4936162A (en) * | 1989-07-10 | 1990-06-26 | Tronetti Jr Peter J | Adjustment screw arrangement |
US5129283A (en) * | 1990-08-31 | 1992-07-14 | Eaton Corporation | Push to turn mechanism |
GB2275991A (en) * | 1993-03-10 | 1994-09-14 | Leslie Ronald Dimmock | Rotatable control knob eg for setting vertical blinds in double glazing units |
US5862715A (en) * | 1995-12-18 | 1999-01-26 | Electronic Hardware Corp. | Tactile detent knob |
US6060671A (en) * | 1996-01-20 | 2000-05-09 | Itt Manufacturing Enterprises Inc. | Rotary switch with an intermediate blocking device between the rotation steps |
US6508144B1 (en) * | 1999-08-11 | 2003-01-21 | The United States Of America As Represented By The Secretary Of The Navy | Quick zeroing knob assembly |
FR2837582A1 (fr) * | 2002-03-22 | 2003-09-26 | Siemens Ag | Element de commande, notamment pour installation de climatisation de vehicule automobile |
EP1543597A1 (en) * | 2002-08-29 | 2005-06-22 | Ernrise Corporation | Rotary switch detent structure independent of knob |
US7111365B1 (en) * | 2004-10-14 | 2006-09-26 | The Grigoleit Company | Knob with decorative ring and snap on cap |
US20060249362A1 (en) * | 2002-11-05 | 2006-11-09 | Emrise Corporation | Low profile rotary switch with detent in the bushing |
US20080078054A1 (en) * | 2006-08-29 | 2008-04-03 | Yu-Cheng Huang | Knob structure |
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US20110102918A1 (en) * | 2008-06-22 | 2011-05-05 | Windauer Bernard T | Operator-selectable-stop turret knob |
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EP2980823A1 (de) * | 2014-07-30 | 2016-02-03 | Siemens Aktiengesellschaft | Drehkodierschalter |
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US10145711B2 (en) | 2015-03-05 | 2018-12-04 | Apple Inc. | Optical encoder with direction-dependent optical properties having an optically anisotropic region to produce a first and a second light distribution |
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US10869680B2 (en) | 2015-02-18 | 2020-12-22 | Clemson University | Positioning bracket for multiple bone tunnel drill guides |
US10962935B1 (en) | 2017-07-18 | 2021-03-30 | Apple Inc. | Tri-axis force sensor |
US11168889B2 (en) | 2019-03-23 | 2021-11-09 | Fadi Ismail Ibrahim | Safely knob assembly for a burner |
US11181863B2 (en) | 2018-08-24 | 2021-11-23 | Apple Inc. | Conductive cap for watch crown |
US11194298B2 (en) | 2018-08-30 | 2021-12-07 | Apple Inc. | Crown assembly for an electronic watch |
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US11360440B2 (en) | 2018-06-25 | 2022-06-14 | Apple Inc. | Crown for an electronic watch |
US11550268B2 (en) | 2020-06-02 | 2023-01-10 | Apple Inc. | Switch module for electronic crown assembly |
US11561515B2 (en) | 2018-08-02 | 2023-01-24 | Apple Inc. | Crown for an electronic watch |
US11796968B2 (en) | 2018-08-30 | 2023-10-24 | Apple Inc. | Crown assembly for an electronic watch |
US11796961B2 (en) | 2018-08-24 | 2023-10-24 | Apple Inc. | Conductive cap for watch crown |
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US12092996B2 (en) | 2021-07-16 | 2024-09-17 | Apple Inc. | Laser-based rotation sensor for a crown of an electronic watch |
Families Citing this family (8)
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JPS52104575U (ja) * | 1976-02-06 | 1977-08-09 | ||
GB2140884A (en) * | 1983-02-22 | 1984-12-05 | Compair Constr Mining Ltd | Locating and holding means e.g. for the latch plate for the steel of a percussive roadbreaker |
US4779305A (en) * | 1986-12-15 | 1988-10-25 | Dickey-John Corporation | Positive-positioning knob assembly |
TR199600723A2 (xx) * | 1996-09-12 | 1998-04-21 | Ar�El�K A.�. | Ev aletlerinde kullan�lan kontrol d��mesi. |
DE10338263A1 (de) * | 2003-08-18 | 2005-03-10 | E G O Control Systems Gmbh & C | Bedieneinrichtung zur Bedienung eines Elektrogerätes und Verfahren zur Herstellung einer Bedieneinrichtung |
DE10355136A1 (de) * | 2003-11-26 | 2005-06-23 | Valeo Klimasysteme Gmbh | Bedienelement |
GB2546124B (en) * | 2016-04-22 | 2018-05-23 | Megger Instruments Ltd | Switch assembly |
CN107768172B (zh) * | 2017-11-22 | 2022-07-12 | 西安庆安电气控制有限责任公司 | 一种旋转开关 |
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US3198923A (en) * | 1961-05-10 | 1965-08-03 | Inductosyn Corp | Rotor indicating device |
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US3541882A (en) * | 1968-12-31 | 1970-11-24 | Perkin Elmer Corp | Electrically insulating knobs |
-
1969
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-
1970
- 1970-04-10 AT AT328970A patent/AT306149B/de not_active IP Right Cessation
- 1970-05-27 US US40885A patent/US3662618A/en not_active Expired - Lifetime
- 1970-05-28 GB GB25797/70A patent/GB1255295A/en not_active Expired
- 1970-05-28 SE SE07332/70A patent/SE356841B/xx unknown
- 1970-05-29 CH CH806370A patent/CH524880A/de not_active IP Right Cessation
- 1970-05-29 JP JP45045722A patent/JPS5238235B1/ja active Pending
- 1970-06-01 NL NL7007879A patent/NL7007879A/xx unknown
- 1970-06-01 FR FR7019999A patent/FR2044839A1/fr not_active Withdrawn
- 1970-06-11 BE BE751784D patent/BE751784R/xx active
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US2840672A (en) * | 1956-05-22 | 1958-06-24 | Burroughs Corp | Unidirectional rotary electric switch |
US3198923A (en) * | 1961-05-10 | 1965-08-03 | Inductosyn Corp | Rotor indicating device |
US3517570A (en) * | 1968-08-07 | 1970-06-30 | Honeywell Inc | Multi-position rotary actuating mechanism |
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US4132129A (en) * | 1977-06-03 | 1979-01-02 | Raytheon Company | Wedge lock knob assembly |
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US4815330A (en) * | 1984-04-03 | 1989-03-28 | Shimano Industrial Company Limited | Speed change operating device for a bicycle |
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US4744265A (en) * | 1985-03-20 | 1988-05-17 | Shimano Industrial Company Limited | Lever shifting device for a bicycle |
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Also Published As
Publication number | Publication date |
---|---|
JPS5238235B1 (ja) | 1977-09-28 |
FR2044839A1 (ja) | 1971-02-26 |
AT306149B (de) | 1973-03-26 |
CH524880A (de) | 1972-06-30 |
BE751784R (fr) | 1970-12-11 |
DE1927901A1 (de) | 1970-12-03 |
SE356841B (ja) | 1973-06-04 |
NL7007879A (ja) | 1970-12-02 |
GB1255295A (en) | 1971-12-01 |
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