WO2011152505A1 - Led発光式タイヤ空気圧チェッカー - Google Patents
Led発光式タイヤ空気圧チェッカー Download PDFInfo
- Publication number
- WO2011152505A1 WO2011152505A1 PCT/JP2011/062747 JP2011062747W WO2011152505A1 WO 2011152505 A1 WO2011152505 A1 WO 2011152505A1 JP 2011062747 W JP2011062747 W JP 2011062747W WO 2011152505 A1 WO2011152505 A1 WO 2011152505A1
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- WIPO (PCT)
- Prior art keywords
- tire
- checker
- valve
- air pressure
- main body
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0491—Constructional details of means for attaching the control device
- B60C23/0496—Valve stem attachments positioned outside of the tyre chamber
Definitions
- the present invention can easily check tire air pressure in small vehicles such as motorcycles and large trucks regardless of light and dark places by light emission display by lighting or blinking of indicator lights such as light emitting diodes (hereinafter simply referred to as LEDs).
- the present invention relates to an improved LED light emitting tire pressure checker and a tire pressure detection method using the tire pressure checker.
- the pneumatic checker described in JP 2007-38993 A has a structure in which a power source (battery) for detecting air pressure and emitting light from the LED is built in the pneumatic checker, and thus is directly affected by the outside air temperature. become. For this reason, the power supply (battery) and electronic components have a reduced capacity when used in winter and extremely cold regions, and the power supply (battery) leaks and the electronic components are damaged when used in summer and extremely hot regions. The problem that normal operation is not guaranteed by such as. In addition, in a truck or the like where the frequency of air replenishment is high and the number of tires mounted is large, the air pressure checker has to be attached and detached each time air is replenished.
- the present invention has been improved so as to satisfy the above-mentioned problems and to meet the demands, and is used in severe outdoor temperature environments such as use in winter, extremely cold regions, summer, and extremely hot regions, and the effects of temperature changes. It is an object of the present invention to provide an LED light-emitting tire pressure checker that can be used stably without being subjected to light, and can be replenished with air and measured with a pneumatic gauge even when it is mounted.
- the LED light-emitting tire pressure checker of the present invention can replenish air and measure the air pressure with a pneumatic gauge while it is always mounted on the tire valve, and also opens the tire valve only at the moment of checking the tire air pressure,
- the valve side checker that displaces the position of the detection body in the cylinder, and mounted on the valve side checker only at the time of checking the tire air pressure
- the position of the detection body displaced by the check operation is detected by the detection means
- a main body side checker that turns on or blinks an LED corresponding to the position state to notify the air pressure state; a main body side checker that is connected to the main body side checker; a power supply joint that supplies power to the LED;
- the operation handle connected to the power supply joint is used.
- the valve side checker is used to open the tire valve by pressing the head of the valve core in the tire valve at the time of using the valve screwing part that can be screwed to and removed from the tire valve and using the air replenishment and the pneumatic gauge.
- a check pin holding portion for holding the check pin, the valve screwed portion and the check pin holding portion are integrally coupled, and the detection body is incorporated so as to displace the position of the detection body according to the air pressure in the tire.
- An air path for linearly moving the member in the cylinder and a main body having an airtight opening / closing function of the air path are configured.
- the main body side checker includes a main body portion for inserting the main body portion and the valve screwed portion into the main body portion of the valve side checker, a fitting groove for fitting with a moving member and a cylinder part having a built-in detector.
- a main body portion including an insertion hole, an electronic circuit for detecting the position of the detection body displaced by the check operation, and lighting or blinking the LED corresponding to the position state, and the main body portion;
- There is a power supply jack for engaging and receiving power supply from the power supply joint, a check pin holding part insertion hole for inserting the check pin holding part, and a joint pin insertion hole for inserting the joint pin of the power supply joint.
- the cover part is configured.
- the power supply joint is connected to a shaft incorporating a battery and an operation handle which is connected to the shaft and performs an ON / OFF operation of the battery, and supplies power to an electronic circuit and LED built in the main body side checker.
- the LED light-emitting tire pressure checker of the present invention it is possible to use it stably without being influenced by use in a severe outside air temperature environment such as use in winter, extremely cold region, summer, or extremely hot region, or temperature change. Play.
- a severe outside air temperature environment such as use in winter, extremely cold region, summer, or extremely hot region, or temperature change. Play.
- the air can be replenished and the air pressure can be measured with the air pressure gauge even in the state of being mounted, there is an effect that it can be easily used even on a truck having a large number of tires.
- FIG. 1 is an external view of an LED light-emitting tire pressure checker according to the present invention.
- FIG. 1 (a) shows a state before a tire pressure check
- FIG. Indicates the state when checking the tire pressure.
- the LED light emitting tire pressure checker according to the present invention is capable of replenishing air and measuring the air pressure with the air pressure gauge while it is always mounted on the tire valve 5, and the tire valve only at the moment of checking the tire pressure. 5 is opened, and the valve side checker 1 that displaces the position of the detection body in the cylinder in accordance with the air pressure in the tire is inserted into the valve side checker 1 only at the time of checking the tire air pressure.
- the main body side checker 2 which detects the position of the detected body by the detecting means and informs the air pressure state by lighting or blinking the LED corresponding to the position state, and the main body side checker 2 is connected.
- FIG. 3 is an external view of a valve side checker constituting the LED light emitting tire pressure checker of the present invention, wherein (a) is a plan view and (b) is a front view.
- the valve side checker 1 is screwed to the tire valve 5 to press the detachable valve screwing portion 10 and the head of the valve core in the tire valve 5 at the time of checking to open the tire valve 5.
- the check pin holding part 11 for holding the check pin 18 for the above, the valve screwing part 10 and the check pin holding part 11 are integrally coupled, and the position of the detection body is changed according to the air pressure in the tire.
- FIG. 4 is a sectional view of the valve side checker in a normal state, (a) is a plan sectional view, and (b) is a front sectional view.
- the valve side checker 1 is screwed to the tire valve 5 at a valve screwing portion 10, and the tip of the tire valve 5 is an O-ring embedded in the valve screwing portion 10.
- the airtight member 16 is closely attached.
- the check pin holding portion 11 incorporates a check pin 18, and an opening portion of the check pin holding portion 11 and a tip portion of the check pin 18 by an elastic member 17 such as a coil spring pivotally attached to the check pin 18.
- the main body portion 12 is welded and joined to integrally connect the valve screwing portion 10 and the check pin holding portion 11 and to maintain confidentiality.
- a moving member 24 containing a magnet that is a detection body 26 according to the air pressure in the tire
- a cylinder 23 such as a non-magnetic stainless steel pipe
- an airtight member 25 is fixedly inserted at the front end portion, and an elastic member 27 such as a coil spring is axially attached to the rear end portion of the moving member 24, and the moving member 24 and the rear end portion of the cylinder 23 are urged so as to be locked, and an adjusting screw 28 for adjusting the urging force is provided.
- the tip opening of the cylinder 23 and the tire valve 5 are communicated with each other through an air path 20, and the inside of the check pin holding part 11 and the tire valve 5 are communicated with each other through an air path 20 '.
- an airtight member 19 such as an O-ring and an airtight member 15 are provided at a boundary where the air passage 20 and the air passage 20 ′ communicate with each other so as to have an airtight opening / closing function, and are pivotally attached to the check pin 18.
- an elastic member 13 such as a coil spring that is further axially attached to the outer peripheral portion of the elastic member 17, a washer 14 inserted into the check pin 18 and a flange 31 for stopping the washer, and an elastic member 30 such as a coil spring.
- the airtight opening / closing of the air path 20 ′ is controlled.
- the elastic force of the elastic member 30 is stronger than the elastic force of the elastic member 13, and a collar 31 is provided so that the airtight member 19 does not pop out and is locked by the washer 14.
- FIG. 5 is a cross-sectional view of the valve side checker during the check operation, (a) is a plan cross-sectional view, and (b) is a front cross-sectional view.
- an operation pin 45 shown in FIG. 8 to be described later presses the check pin 18 so that the head 22 of the valve core 21 screwed into the tire valve 5 also has the check pin 18. Is pressed at the rear end.
- the length of the operation pin 45 is shorter than the tip length of an air replenishment attachment (not shown) and the tip length of a pneumatic gauge (not shown), and is set to a length sufficient to open the tire valve 5.
- the elastic member 13 is in a fully contacted state but does not press the airtight member 19, so that the air path 20 'remains closed.
- the head 22 of the valve core 21 screwed into the tire valve 5 by pressing the check pin 18 is also pushed down at the rear end portion of the check pin 18, and at this moment, the air in the tire is moved to the valve core 21.
- the tire valve 5 is opened by ejecting more.
- the air in the ejected tire is directed to the air path 20 and the air path 20 ′, but the air path 20 ′ is closed by the airtight member 19, and therefore the moving member 24 in the cylinder 23 is the tire.
- the inner air pressure is displaced to a position where the repulsive force of the elastic member 27 is balanced.
- FIG. 6 is a cross-sectional view of the valve side checker when air is replenished and a pneumatic gauge is used, (a) is a plan cross-sectional view, and (b) is a front cross-sectional view. Since the tip shape of the air replenishment attachment (not shown) and the pneumatic gauge (not shown) to the valve port is exactly the same, with the valve side checker 1 attached to the tire valve 5, the valve side checker 1 The air replenishment attachment and the pneumatic gauge are connected to the check pin holding part 11. When using a pneumatic gauge, the check pin 18 is pushed deeper than the operation pin 45 at the tip of the pneumatic gauge.
- the head 22 of the valve core 21 screwed into the tire valve at the rear end portion of the check pin 18 is also pressed down, and the air in the tire is ejected from the valve core 21 and the tire valve. 5 is opened, and it goes to the air path 20 and air path 20 '.
- the air path 20 displaces the moving member 24 to a position where the air pressure in the tire and the repulsive force of the elastic member 27 are balanced, and stops.
- the check pin 18 that is pressed deeper than the operation pin 45 at the tip of the pneumatic gauge presses the elastic member 13 that is in a fully contacted state, and presses the washer 14, the airtight member 19, and the elastic member 30.
- the elastic member 17 becomes a stopper in the fully contacted state and stops.
- the airtight member 19 opens the air path 20 ′, and the tire air flows into the air pressure gauge from the gap between the check pin 18 and the check pin holding portion 11, so that the air pressure gauge can be measured.
- the head 22 of the valve core 21 screwed into the tire valve at the rear end is pushed by pressing the check pin 18 deeply with the tip of the air replenishment attachment as with the use of the pneumatic gauge, The air in the tire is ejected from the valve core 21 to open the tire valve 5 and travel toward the air path 20 and the air path 20 ′.
- the inner surface of the check pin 11 communicates with the valve core 21 in the tire valve 5 through the air path 20 ′ through a slight gap with the check pin 18. And can be refilled with air.
- FIG. 7A and 7B are external views of a main body side checker constituting the LED light emitting tire pressure checker of the present invention.
- FIG. 7A is a left side view
- FIG. 7B is a plan view
- FIG. 7C is a right side view.
- the main body side checker 2 includes a main body 12 of the valve side checker 1, a moving member 24 incorporating a detection body 26, and a fitting groove 34 for fitting with a portion of a cylinder 23, and the main body
- the position of the body part insertion hole 35 for inserting the part 12 and the valve screwing part 10 and the detection body 26 displaced by the check operation is detected by the detecting means, and the LED corresponding to the position state is turned on or blinked.
- Main body 32 having a built-in electronic circuit and LED, a power supply jack 36 for receiving power supply from power supply joint 3, and a check pin for inserting check pin holding section 11
- the cover portion 33 includes a holding portion insertion hole 37 and a joint pin insertion hole 38 for inserting the joint pin 46 of the power supply joint 3.
- the main body portion 32 of the main body side checker 2 has a display portion A39 for visually recognizing the light emission state of an LED (not shown), and the LED and electronic circuit component are located in a space near the display portion A39. Is mounted on a flexible substrate (not shown) and enclosed. Moreover, the cover part 33 also has a display part B40 for visually recognizing the light emission state of another LED (not shown) mounted on the flexible substrate (not shown).
- FIG. 8 is an external view of a supply joint constituting the LED light emitting tire pressure checker of the present invention, (a) is a left side view, and (b) is a front view.
- the power supply joint 3 is connected to a shaft 7 containing a battery (not shown) and an operation unit 8 connected to the shaft 7 to perform ON / OFF operation of the battery.
- a joint pin 46 is provided on the joint cover 43.
- the battery ON / OFF operation is performed by a switch 9 provided on the surface of the operation unit 8.
- the tip of the operation portion 8 is formed in a spherical shape, the inside of the joint cover 43 is rotatably fitted to the portion formed in the spherical shape, and the outer periphery of the fitting portion is held by a coil spring 6. .
- the main body side checker 2 and the power feeding joint 3 have bending flexibility with respect to the operation handle 4, so that the valve side checker 1 screwed to the tire valve 5 at the time of the check operation can be used. And no load is applied.
- FIG. 9 is a plan sectional view of the valve side checker and the main body side checker in the abnormally low air pressure state during the check operation.
- the air in the tire is ejected from the valve core 21.
- the tire valve 5 and the air path 20 are filled, and the moving member 24 in the cylinder 23 of the valve side checker 1 balances the air pressure in the tire and the repulsive force of the elastic member 27 by the air pressure in the tire. Displace to position.
- the abnormal low air pressure can be obtained by visually checking the flashing of the red LED by programming the light emission state of the red and blue LEDs built in the display unit A39 and the display unit B40 so that only the red LED flashes. The state can be detected.
- FIG. 10 is a cross-sectional plan view of the valve side checker and the main body side checker in a low air pressure state during the check operation.
- the air in the tire is ejected from the valve core 21.
- the tire valve 5 and the air path 20 are filled, and the moving member 24 in the cylinder 23 of the valve side checker 1 balances the air pressure in the tire and the repulsive force of the elastic member 27 by the air pressure in the tire. Displace to position.
- the figure shows that the tire is in a low air pressure state, and the upper end of the airtight member 25 fixed to the front end of the moving member 24 in the cylinder 23 moves from the upper end surface of the cylinder 23 with a displacement d1. is doing.
- the magnetic sensor A 47 and the magnetic sensor B 48 which are detection means on the flexible substrate built in the main body side checker 2
- only the magnetic sensor A 47 is the detection body 26 built in the moving member 24.
- Magnetic field lines are detected, and magnetic sensor B48 does not detect the magnetic field lines.
- the low air pressure state can be confirmed by visually confirming the lighting of the red LEDs. Can be detected.
- FIG. 11 is a plan sectional view of the valve side checker and the main body side checker in the proper air pressure state during the check operation.
- the air in the tire is ejected from the valve core 21.
- the tire valve 5 and the air path 20 are filled, and the moving member 24 in the cylinder 23 of the valve side checker 1 balances the air pressure in the tire and the repulsive force of the elastic member 27 by the air pressure in the tire. Displace to position.
- the figure shows that the tire is in an appropriate pneumatic state, and the upper end portion of the airtight member 25 fixed to the distal end portion of the moving member 24 in the cylinder 23 moves from the upper end surface of the cylinder 23 with a displacement d2. (D2> d1).
- both the magnetic sensor A 47 and the magnetic sensor B 48 which are detection means on the flexible substrate built in the main body side checker 2
- both of the magnetic force lines of the magnet which is the detection body 26 built in the moving member 24 are used.
- Sense At this time, by programming the light emission states of the red and blue LEDs built in the display unit A39 and the display unit B40 so that only the blue LEDs are lit, the proper air pressure state can be obtained by visually confirming the lighting of the blue LEDs. Can be detected.
- FIG. 12 is a plan sectional view of the valve side checker and the main body side checker in a high air pressure state during the check operation.
- the air in the tire becomes the valve core 21.
- the moving member 24 in the cylinder 23 of the valve side checker 1 causes the air pressure in the tire and the repulsive force of the elastic member 27 to be filled by the air pressure in the tire valve 5 and the air path 20. Displace to a balanced position.
- the figure shows that the tire is in a high air pressure state, and the upper end portion of the airtight member 25 fixed to the tip end portion of the moving member 24 in the cylinder 23 moves from the upper end surface of the cylinder 23 with a displacement amount d3. (D3> d2).
- both the magnetic sensor A 47 and the magnetic sensor B 48 which are detection means on the flexible substrate built in the main body side checker 2
- both of the magnetic force lines of the magnet which is the detection body 26 built in the moving member 24 are used.
- the magnetic sensor C49 located further away from the magnetic sensor B48 also senses the magnetic lines of force of the magnet which is the detection body 26 built in the moving member 24.
- the high air pressure state can be confirmed by visually confirming the blinking of the blue LED. Can be detected.
- the light emission states of the red and blue LEDs incorporated in the display unit A39 and the display unit B40 are the same, and the light emission state of the display unit B40 is visually recognized during the above-described check operation. At the time of checking the outer tire of the tire, the light emission state of the display portion A39 is visually recognized.
- the appropriate air pressure varies depending on the type of tire. It is necessary to select an elastic member 27 that has an optimum elastic force and adjust the adjustment member 28 with an adjustment screw 28. Also, the position of the magnetic sensor C49 needs to be adjusted with the adjusting screw 41. After the adjustment with the adjustment screw 28, the position of the adjustment screw 28 can be maintained firmly by injecting an adhesive into the fixing hole 29 shown in FIG. Further, after the adjustment with the adjustment screw 41, the position of the adjustment screw 41 can be firmly maintained by injecting an adhesive into the fixing hole 42 shown in FIG.
- FIG. 2A and 2B are diagrams illustrating a check method that does not use an operation handle.
- FIG. 2A is a state before the main body side checker 2 is inserted into the valve side checker 1 facing inward
- FIG. 2B is a valve side checker facing inward. 1 shows a state in which the main body side checker 2 is inserted and checked, and the main body side checker 2 is removed from the power supply joint 3 and used alone.
- the operation of the check pin 18 at the time of the check operation is pressed by the user with a finger as indicated by an arrow. Since a large-capacity capacitor such as an electric double layer capacitor is mounted on the flexible board built in the main body side checker 2 and acts as a storage battery, the tire pressure can be checked several times even if the power supply joint 3 is removed. Become.
- the main body side checker 2 can be reconnected to the power feeding joint 3 and charged with the battery built in the shaft 7 of the operation handle 4 so that it can be reused any number of times.
- the detection body 26 which is a main part for detecting the tire air pressure is provided in the valve side checker 1 and attached to the tire valve 5, and the magnetic sensor and electronic parts which are detection means are attached to the main body side checker 2.
- the battery is built in the shaft 7 of the operation handle 4 and the power supply joint 3 is used to supply power, so that it is separated from the valve side checker 1, so that it can be used in winter, extremely cold regions, summer and extreme heat regions, etc. It can be used stably without being affected by the use in a severe outside air temperature environment or a change in temperature.
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- Measuring Fluid Pressure (AREA)
Abstract
Description
2 本体側チェッカー
3 給電ジョイント
4 操作ハンドル
5 タイヤバルブ
6 コイルスプリング
7 シャフト
8 操作部
9 スイッチ
10 バルブ螺着部
11 チェックピン保持部
12 本体部
13 弾性部材
14 ワッシャー
15 気密部材
16 気密部材
17 弾性部材
18 チェックピン
19 機密部材
20 空気経路
21 バルブコア
22 頭部
23 シリンダー
24 移動部材
25 機密部材
26 検出体
27 弾性部材
28 調整ネジ
29 固定穴
30 弾性部材
31 ツバ
32 本体部
33 カバー部
34 嵌合溝
35 本体部挿入穴
36 給電ジャック
37 チェックピン保持部挿入穴
38 ジョイントピン挿入穴
39 表示部A
40 表示部B
41 調整ネジ
42 固定穴
43 ジョイントカバー
44 給電プラグ
45 操作ピン
46 ジョイントピン
47 磁気センサーA
48 磁気センサーB
49 磁気センサーC
図1は本発明のLED発光式タイヤ空気圧チェッカーの外形図であり、(a)はタイヤ空気圧のチェック前の状態を示し、(b)はタイヤ空気圧のチェック時の状態を示している。該図に示すように、本発明のLED発光式タイヤ空気圧チェッカーは、タイヤバルブ5に常時装着した状態で空気の補充と空気圧ゲージによる空気圧の測定が行えると共に、タイヤ空気圧をチェックする瞬間のみタイヤバルブ5を開放し、タイヤ内の空気圧に応じて検出体の位置をシリンダー内にて変位させるバルブ側チェッカー1と、タイヤ空気圧のチェック時のみ前記バルブ側チェッカー1に挿着し、チェック操作にて変位した検出体の位置を検出手段で検出し、該位置状態に対応したLEDを点灯または点滅させて空気圧状態を報知する本体側チェッカー2と、前記本体側チェッカー2に接続し、該本体側チェッカー2に内蔵の電子回路及びLEDに電力供給を行う給電ジョイント3及び当該給電ジョイントに接続する操作ハンドル4にて構成する。
Claims (4)
- タイヤバルブに常時装着した状態で空気の補充と空気圧ゲージによる空気圧の測定が行えると共に、タイヤ空気圧をチェックする瞬間のみタイヤバルブを開放し、タイヤ内の空気圧に応じて検出体の位置をシリンダー内にて変位させるバルブ側チェッカーと、タイヤ空気圧のチェック時のみ前記バルブ側チェッカーに装着し、チェック操作にて変位した検出体の位置を検出手段で検出し、該位置状態に対応したLEDを点灯または点滅させて空気圧状態を報知する本体側チェッカーと、前記本体側チェッカーに接続し、該本体側チェッカーに内蔵の電子回路及びLEDに電力供給を行う供給ジョイント及び当該給電ジョイントに接続する操作ハンドルにて構成することを特徴とした、LED発光式タイヤ空気圧チェッカー。
- バルブ側チェッカーは、タイヤバルブと螺着して着脱可能なバルブ螺着部と、空気補充と空気圧ゲージ使用時及びチェック時にタイヤバルブ内のバルブコアの頭を押下してタイヤバルブを開放するためのチェックピンを保持するチェックピン保持部と、前記バルブ螺着部とチェックピン保持部とを一体結合すると共に、タイヤ内の空気圧に応じて検出体の位置を変位させるべく当該検出体を内蔵した移動部材をシリンダー内にて直線移動させるための空気経路及び当該空気経路の気密開閉機能を有した本体部にて構成することを特徴とした、請求項1に記載のLED発光式タイヤ空気圧チェッカー。
- 本体側チェッカーは、バルブ側チェッカーの本体部において検出体を内蔵した移動部材及びシリンダーの部位と嵌合するための嵌合溝と、前記本体部及びバルブ螺着部を挿入するための本体部挿入穴と、チェック操作にて変位した検出体の位置を検出手段で検出し、該位置状態に対応したLEDを点灯または点滅させるための電子回路及LEDを内蔵した本体部と、該本体部と係着し、給電ジョイントより電力供給を受けるための給電ジャックと、チェックピン保持部を挿入するためのチェックピン保持部挿入穴と、給電ジョイントのジョイントピンを挿入するためのジョイントピン挿入穴を有したカバー部にて構成することを特徴とした、請求項1に記載のLED発光式タイヤ空気圧チェッカー。
- 給電ジョイントは、バッテリーを内蔵したシャフトと当該シャフトに連結されて前記バッテリーのON/OFF操作を行う操作部にて成る操作ハンドルと接続され、本体側チェッカーに内蔵の電子回路及びLEDに電力供給するための給電プラグと、バルブ側チェッカーのチェックピンを押圧するための操作ピンと、位置固定するためのジョイントピンを有して構成することを特徴とした、請求項1に記載のLED発光式タイヤ空気圧チェッカー。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2010142040A JP4678639B1 (ja) | 2010-06-04 | 2010-06-04 | Led発光式タイヤ空気圧チェッカー |
JP2010-142040 | 2010-06-04 |
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WO2011152505A1 true WO2011152505A1 (ja) | 2011-12-08 |
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PCT/JP2011/062747 WO2011152505A1 (ja) | 2010-06-04 | 2011-05-27 | Led発光式タイヤ空気圧チェッカー |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112918197B (zh) * | 2017-08-21 | 2023-12-19 | 什拉姆有限责任公司 | 用于自行车车轮的压力感测组件 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10332513A (ja) * | 1997-05-06 | 1998-12-18 | Sai Ko | 色彩を以ってタイヤ圧を報知するタイヤ圧蓋 |
JP2005062156A (ja) * | 2003-07-31 | 2005-03-10 | Aruma Tools:Kk | タイヤ空気圧チェッカー |
JP2007038993A (ja) * | 2005-08-01 | 2007-02-15 | Aruma Tools:Kk | Led発光式タイヤ空気圧チェッカー |
US20070257785A1 (en) * | 2006-01-11 | 2007-11-08 | Oboza Andzrej Z | High and low tire pressure indicator |
WO2008068826A1 (ja) * | 2006-12-01 | 2008-06-12 | Almatools Inc. | Led発光式タイヤ空気圧チェッカー |
-
2010
- 2010-06-04 JP JP2010142040A patent/JP4678639B1/ja not_active Expired - Fee Related
-
2011
- 2011-05-27 WO PCT/JP2011/062747 patent/WO2011152505A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10332513A (ja) * | 1997-05-06 | 1998-12-18 | Sai Ko | 色彩を以ってタイヤ圧を報知するタイヤ圧蓋 |
JP2005062156A (ja) * | 2003-07-31 | 2005-03-10 | Aruma Tools:Kk | タイヤ空気圧チェッカー |
JP2007038993A (ja) * | 2005-08-01 | 2007-02-15 | Aruma Tools:Kk | Led発光式タイヤ空気圧チェッカー |
US20070257785A1 (en) * | 2006-01-11 | 2007-11-08 | Oboza Andzrej Z | High and low tire pressure indicator |
WO2008068826A1 (ja) * | 2006-12-01 | 2008-06-12 | Almatools Inc. | Led発光式タイヤ空気圧チェッカー |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112918197B (zh) * | 2017-08-21 | 2023-12-19 | 什拉姆有限责任公司 | 用于自行车车轮的压力感测组件 |
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JP2011255871A (ja) | 2011-12-22 |
JP4678639B1 (ja) | 2011-04-27 |
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