JPH07220704A - Battery power unit of cylindrical electric equipment - Google Patents
Battery power unit of cylindrical electric equipmentInfo
- Publication number
- JPH07220704A JPH07220704A JP6008452A JP845294A JPH07220704A JP H07220704 A JPH07220704 A JP H07220704A JP 6008452 A JP6008452 A JP 6008452A JP 845294 A JP845294 A JP 845294A JP H07220704 A JPH07220704 A JP H07220704A
- Authority
- JP
- Japan
- Prior art keywords
- case
- main body
- body case
- locking
- contact piece
- 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.)
- Pending
Links
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Brushes (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、筒形の電気機器の電池
電源装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery power supply device for cylindrical electric equipment.
【０００２】[0002]
【従来の技術】従来用いられていたこの種の電池電源装
置では、電池を筒形の電気機器の本体ケース内に収納し
た上で、筒形の電池蓋を本体ケースにねじ合わせたり、
相互に係止可能な爪と凹部とを設けておき、蓋を本体ケ
ースに向けて押し込んで爪と凹部とを係合させるなどし
て電池を収容していた。2. Description of the Related Art In a battery power supply device of this type that has been conventionally used, after accommodating a battery in a main body case of a tubular electric device, a tubular battery lid is screwed onto the main body case,
A battery is housed by providing a claw and a recess that can be locked to each other and pushing the lid toward the main body case to engage the claw and the recess.
【０００３】[0003]
【発明が解決しようとする課題】上記のねじ式によるも
のでは、本体ケース及び電池蓋のいずれも構造が複雑と
なり、ねじ込みのための手間も煩わしいものであった。
また、係合式のものでは、取り外す際に大きな力で引っ
張らねばならず、爪を損傷したり、また、例えば防水性
を必要とする電気機器においては、緊密で強固な係合が
得られるように構成しなければならず、製造に精度を要
しかつ取り外すのが一層困難である。そこで本発明の第
１の目的は、着脱の操作をし易くし、構造を簡単にして
製造を容易にし、コストの低減を達成することにある。
また、本発明の第２の目的は、内蔵する
電池の接片の損傷を防止することにある。With the above-mentioned screw type, the structure of both the main body case and the battery lid is complicated, and the labor for screwing is troublesome.
In addition, in the case of the engagement type, it is necessary to pull with a large force when removing it, so that the nail is damaged, and for electric equipment which requires waterproofness, tight and strong engagement can be obtained. It must be constructed, requires precision in manufacturing and is more difficult to remove. Therefore, a first object of the present invention is to facilitate the attachment / detachment operation, simplify the structure, facilitate the manufacturing, and achieve cost reduction.
A second object of the present invention is to prevent damage to the contact piece of the built-in battery.
【０００４】[0004]
【課題を解決するための手段】上記目的を達成するため
に、本発明の筒形電気機器の電池電源装置は、電気機器
を収納する筒形の本体ケースと、この本体ケースに着脱
自在に装着される筒形の電池ケースとを具備している。
そして本体ケースと電池ケースとの突き合わせ端面のい
ずれか一方に位置決め用の山形の突部と、他方にこの突
部に嵌合する凹部とが設けてある。また、本体ケースと
電池ケースとのいずれか一方の内面に係止部と、他方に
この係止部に係合可能な係止爪とが設けてある。この係
止部と係止爪とは、突部が凹部に嵌合する位置で係合す
るものであり、本体ケースと電池ケースとが相対的に逆
方向に回転するときに、突部と凹部とがその傾斜面で摺
動して両ケースが軸方向に離間し、係止部と係止爪との
係合を離脱して電池ケースを本体ケースから軸方向に分
離可能にすることを特徴としている。In order to achieve the above object, a battery power supply device for a tubular electric device according to the present invention includes a tubular main body case for accommodating the electric device, and a detachable attachment to the main body case. And a cylindrical battery case.
Further, a mountain-shaped projection for positioning is provided on either one of the abutting end surfaces of the main body case and the battery case, and a recessed portion fitted to this projection is provided on the other. Further, a locking portion is provided on the inner surface of one of the main body case and the battery case, and a locking claw capable of engaging with this locking portion is provided on the other side. The locking portion and the locking claw are engaged with each other at a position where the protrusion fits into the recess, and when the main body case and the battery case rotate relatively in opposite directions, the protrusion and the recess. Is slid on the inclined surface so that both cases are axially separated from each other, and the engagement between the locking portion and the locking claw is released to allow the battery case to be axially separated from the main body case. I am trying.
【０００５】さらに他の特徴としては、上記の他方に設
けてある係止爪が、上記の一方の内面に嵌合する筒部か
ら延伸する係止片の先端部に形成してあり、係止爪の頂
部に形成してある凹溝には、上記の他方の内面にそって
設けてある第１の接片の端部が位置している。また、上
記の一方には、本体ケースに電池ケースが装着された状
態で第１の接片の端部に弾接する第２の接片が設けてあ
り、凹溝の両側面は、第２の接片の離脱案内用の斜面に
形成してある。Still another feature is that the locking claw provided on the other side is formed at the tip of the locking piece extending from the cylindrical portion fitted on the inner surface of the one side. The end of the first contact piece provided along the other inner surface is located in the groove formed on the top of the claw. Also, one of the above is provided with a second contact piece that elastically contacts the end portion of the first contact piece in a state where the battery case is attached to the main body case, and both side surfaces of the groove are formed with the second contact piece. It is formed on a slope for guiding the contact piece to be released.
【０００６】[0006]
【作用】山形の突部と凹部との嵌合により本体ケースと
電池ケースとの装着の位置決めがなされ、この位置で、
係止部に係止爪が係合する。本体ケースと電池ケースと
を相対的に逆方向に回転すると、突部と凹部とがその傾
斜面で摺動して両ケースが軸方向に離間し、係止部と係
止爪との係合を離脱する。係止爪の頂部に形成してある
凹溝の両側面を斜面に形成してあるため、第２の接片が
第１の接片から離脱する案内をし、両ケースの分離を円
滑にする。[Function] The mounting of the main body case and the battery case is performed by fitting the chevron-shaped projection and the recess, and at this position,
The locking claw engages with the locking portion. When the main body case and the battery case are rotated in opposite directions, the protrusion and the recess slide on the inclined surface to separate the two cases in the axial direction, and the engagement portion and the engagement claw engage with each other. Leave. Since both side surfaces of the concave groove formed at the top of the locking claw are formed as slopes, the second contact piece guides the second contact piece to separate from the first contact piece, and the separation of both cases is facilitated. .
【０００７】[0007]
【実施例】図面は本発明を電動歯ブラシに実施した一例
を示している。図１及び図２に示すように、筒形の本体
ケース１内に駆動モータ２が収納してあり、駆動モータ
のオン・オフ切換え用のスイッチ３が、本体ケース１の
外から操作可能に設けてある。本体ケース１の一端部
（上端部）には、歯ブラシ４が駆動モータ２に駆動され
て微小ストロークで進退または揺動するように連結して
ある。DESCRIPTION OF THE PREFERRED EMBODIMENTS The drawings show an example in which the present invention is applied to an electric toothbrush. As shown in FIGS. 1 and 2, a drive motor 2 is housed in a cylindrical body case 1, and a switch 3 for switching the drive motor on / off is provided so as to be operable from outside the body case 1. There is. A toothbrush 4 is connected to one end (upper end) of the main body case 1 so that the toothbrush 4 is driven by a drive motor 2 to advance or retreat or swing with a minute stroke.
【０００８】本体ケース１の他端部（下端部）には、電
池ケース５が着脱自在に設けてある。電池ケース５の形
状は、外周面が本体ケース１の外周面と同一面である筒
部５ｂと、この筒部５ｂの外周面よりも内方へ段差を有
し、本体ケース１の内面に嵌合するように形成された筒
部５ｃと、この筒部５ｃの端面から延伸する２本の係止
片５ｄ，５ｄと、両係止片の先端に外側へ向って突出す
る係止爪５ｅ，５ｅとが一体的に形成されたものであ
る。係止片５ｄ，５ｄは薄肉になっているので、筒部５
ｃの径方向に撓むことが可能である。係止片５ｄ，５ｄ
の基部は、筒部５ｃの外周面よりも更に僅かに内方へ段
差をもって形成されており、パッキン受け５ｆとなって
いる。At the other end (lower end) of the main body case 1, a battery case 5 is detachably provided. The shape of the battery case 5 is such that the outer peripheral surface is the same surface as the outer peripheral surface of the main body case 1 and that there is a step inward from the outer peripheral surface of the cylindrical portion 5b and the inner surface of the main body case 1 is fitted. A tubular portion 5c formed so as to fit together, two locking pieces 5d, 5d extending from the end surface of the tubular portion 5c, locking claws 5e projecting outward at the tips of both locking pieces, 5e is integrally formed. Since the locking pieces 5d, 5d are thin, the cylindrical portion 5
It is possible to bend in the radial direction of c. Locking pieces 5d, 5d
The base is formed with a step slightly further inward than the outer peripheral surface of the tubular portion 5c, and serves as a packing receiver 5f.
【０００９】電池ケース５の筒部５ｂの上端面は本体ケ
ース１の下端面と突き合わせになっており、電池ケース
５側の突き合わせ端面の一部に位置決め用の山形の突部
５ａが形成してあり、本体ケース１側の突き合わせ端面
にこの突部５ａに嵌合する位置決め用の山形の凹部１ａ
が形成してある。パッキン受け５ｆと本体ケース１の内
周面との間に防水用のパッキン６が介装してある。ま
た、本体ケース１の内周面には、係止爪５ｅ，５ｅに係
合可能な係止部１ｂ，１ｂが内方へ突出形成してある。
このように本体ケース１の内面に筒部５ｃを嵌合してい
るので、防水用のパッキン６をその間に介装することも
必要に応じて容易にでき、電気機器の防水性を向上させ
るのに有効である。The upper end surface of the cylindrical portion 5b of the battery case 5 is abutted against the lower end surface of the main body case 1, and a ridge-shaped projection 5a for positioning is formed on a part of the abutted end surface on the battery case 5 side. There is a mountain-shaped concave portion 1a for positioning which is fitted to the protruding portion 5a on the abutting end surface on the main body case 1 side.
Is formed. A waterproof packing 6 is interposed between the packing receiver 5f and the inner peripheral surface of the main body case 1. Further, on the inner peripheral surface of the main body case 1, locking portions 1b, 1b engageable with the locking claws 5e, 5e are formed to project inward.
Since the tubular portion 5c is fitted to the inner surface of the main body case 1 as described above, it is possible to easily insert the waterproof packing 6 between them, as necessary, and improve the waterproof property of the electric device. Is effective for.
【００１０】２本の係止片５ｄ，５ｄのうちの一方に
は、電池ケースの内面側で第１の接片（プラス接片）７
が安定に収納される溝５ｇが形成してあり、係止爪５ｅ
の頂部には、図３に示すように、溝５ｇに連続して凹溝
５ｈが形成してあり、この凹溝５ｈにプラス接片７の端
部７ａが位置している。本体ケース１側には接片ホルダ
８により第２の接片９が保持されており、この第２の接
片（プラス接片）９の端部９ａが第１の接片の端部７ａ
上に弾接している。凹溝５ｈの両側面は、斜面５ｉ，５
ｉに形成してあり、第２の接片９の端部９ａのための離
脱案内用の斜面となっている。第２の接片９の端部９ａ
の下面は、斜面５ｉを乗り越え易いように弧状になって
おり、また接触を良くするために２点で第１の接片の端
部７ａに接するように中央に窪みが設けてある。A first contact piece (plus contact piece) 7 is provided on one of the two locking pieces 5d, 5d on the inner surface side of the battery case.
Is formed with a groove 5g for stably storing the
As shown in FIG. 3, a concave groove 5h is formed continuously with the groove 5g at the top of the groove, and the end 7a of the plus contact piece 7 is located in the concave groove 5h. A second contact piece 9 is held by a contact piece holder 8 on the main body case 1 side, and an end portion 9a of the second contact piece (plus contact piece) 9 is an end portion 7a of the first contact piece.
It is in contact with the top. Both side surfaces of the concave groove 5h have slopes 5i, 5
i, which is a slope for guiding the separation for the end 9a of the second contact piece 9. The end 9a of the second contact piece 9
The lower surface of the is formed in an arc shape so as to easily get over the slope 5i, and in order to improve the contact, a recess is provided in the center so as to contact the end 7a of the first contact piece at two points.
【００１１】電池ケース５内に収納された電池１０のプ
ラス端子部（下端部）は、第１の接片７の他方の端部７
ｂに当接しており、第１及び第２の接片７，９を介して
駆動モータ２のプラス端子２ａに接続している。電池１
０のマイナス端子部（上端部）は、接片ホルダ８に保持
されているマイナス接片１１とスイッチ３を介して駆動
モータ２のマイナス端子２ｂに接続している。The positive terminal portion (lower end portion) of the battery 10 housed in the battery case 5 has the other end portion 7 of the first contact piece 7.
It is in contact with b and is connected to the plus terminal 2a of the drive motor 2 via the first and second contact pieces 7 and 9. Battery 1
The minus terminal portion (upper end portion) of 0 is connected to the minus terminal 2b of the drive motor 2 via the minus contact piece 11 held by the contact piece holder 8 and the switch 3.
【００１２】このような構成であるので、図４（ａ）に
示すように、電池１０が収納され、電池ケース５の突部
５ａが本体ケース１の凹部１ａに嵌合して位置決めされ
ているときは、係止片５ｄの係止爪５ｅが係止部１ｂに
係止して、電池ケース５は本体ケース１から離脱しない
ようになっている。そこで、図４（ｂ）に示すように、
電池ケース５を本体ケース１に対して右方向（矢印Ａ方
向）に回転させると、突部５ａの傾斜面が凹部１ａの傾
斜面上を摺動し、電池ケース５は本体ケース１から軸方
向に離間する方向へ移動し始める。このとき係止爪５ｅ
は係止片５ｄを撓ませながら図示のように係止部１ｂを
乗り越える。同時に第２の接片９の端部９ａは、斜面５
ｉに案内されて凹溝５ｈから離脱し、第１の接片７の端
部７ａから離れる。図４（ｃ）に示すように、突部５ａ
が凹部１ａから離脱した位置では、係止爪５ｅは係止部
１ｂを乗り越え終わって、係止部１ｂより突き合わせ端
面に近い位置で本体ケース１の内周面に接している。ま
た、第１及び第２の接片７，９の端部７ａ，９ａ間は離
れている。そこで、図４（ｄ）（ｅ）に示すように、電
池ケース５を本体ケース１から軸方向に離間する方向
（矢印Ｂ方向）に引くと、このときには内部のどこにも
係合しているところはないので、円滑に本体ケース１か
ら離脱させることができる。With such a structure, as shown in FIG. 4 (a), the battery 10 is housed, and the protrusion 5a of the battery case 5 is fitted and positioned in the recess 1a of the main body case 1. At this time, the locking claw 5e of the locking piece 5d is locked to the locking portion 1b so that the battery case 5 is not separated from the main body case 1. Therefore, as shown in FIG.
When the battery case 5 is rotated to the right (in the direction of arrow A) with respect to the main body case 1, the inclined surface of the protrusion 5a slides on the inclined surface of the recessed portion 1a, and the battery case 5 moves from the main body case 1 in the axial direction. Begins to move in the direction away from. At this time, the locking claw 5e
Moves over the locking portion 1b as shown while bending the locking piece 5d. At the same time, the end 9a of the second contact piece 9 has a slope 5
It is guided by i and separates from the groove 5h, and separates from the end 7a of the first contact piece 7. As shown in FIG. 4C, the protrusion 5a
At the position separated from the concave portion 1a, the locking claw 5e has finished riding over the locking portion 1b and is in contact with the inner peripheral surface of the main body case 1 at a position closer to the abutting end surface than the locking portion 1b. Further, the end portions 7a, 9a of the first and second contact pieces 7, 9 are separated from each other. Therefore, as shown in FIGS. 4D and 4E, when the battery case 5 is pulled in a direction axially separated from the main body case 1 (direction of arrow B), at this time, the battery case 5 is engaged with nowhere inside. Since it does not exist, it can be smoothly detached from the main body case 1.
【００１３】電池１０を収納した後で電池ケース５を本
体ケース１に連結する際には、突部５ａを凹部１ａに対
向させた状態で、電池ケース５を真っ直ぐに本体ケース
１に挿入すればよい。電池ケース５の筒部５ｃが本体ケ
ース１の内面を摺動して挿入される途中で、係止片５ｄ
が撓んで係止爪５ｅが係止部１ｂを乗り越え、両者が係
合することにより電池ケース５は本体ケース１から離脱
不能の図４（ａ）の状態になる。そして第１の接片７と
第２の接片９とは凹溝５ｈ内で弾接し、導通状態にな
る。When the battery case 5 is connected to the main body case 1 after the battery 10 is housed, the battery case 5 may be inserted straight into the main body case 1 with the protrusion 5a facing the recess 1a. Good. While the tubular portion 5c of the battery case 5 slides on the inner surface of the main body case 1 and is inserted, the locking piece 5d is inserted.
4A, the locking claw 5e goes over the locking portion 1b, and the two are engaged with each other, so that the battery case 5 is in a state in which it cannot be detached from the main body case 1 as shown in FIG. Then, the first contact piece 7 and the second contact piece 9 are elastically contacted in the recessed groove 5h to be in a conductive state.
【００１４】尚、突部５ａと凹部１ａとの嵌合は１個所
に限られるものでなく、本体ケース１と電池ケース５と
が相対的に一定の位置に位置決めされるものであれば複
数個所あってもよい。係止爪５ｅと係止部１ｂとについ
ても２個所に限られるものでなく、１個所または複数個
所あってもよい。また、上記実施例では、係止部１ｂを
本体ケース１側に、係止爪５ｅを電池ケース５側にそれ
ぞれ設けた例であるが、この関係は逆にすることが可能
である。つまり本体ケース１側に係止爪を、電池ケース
５側に係止部をそれぞれ形成することも可能である。さ
らには、本発明は、電動歯ブラシに限定されるものでは
なく、電動カミソリ等の筒形の電気機器に広く応用可能
である。The fitting of the protrusion 5a and the recess 1a is not limited to one place, but a plurality of places can be used as long as the main body case 1 and the battery case 5 can be positioned at a relatively constant position. It may be. The locking claws 5e and the locking portions 1b are not limited to two places, and may be one place or a plurality of places. Further, in the above-described embodiment, the locking portion 1b is provided on the main body case 1 side and the locking claw 5e is provided on the battery case 5 side, but this relationship can be reversed. That is, it is possible to form the locking claw on the main body case 1 side and the locking portion on the battery case 5 side. Furthermore, the present invention is not limited to the electric toothbrush, and can be widely applied to tubular electric devices such as electric razors.
【００１５】[0015]
【発明の効果】本発明は以上のように構成してあり、本
体ケースと電池ケースとを僅かに相対的に逆方向に回転
させた後で引き抜くのみで、容易に小さい力で両ケース
を分離させることができ、また装着させる際には単に軸
方向に挿入するのみでよいので、着脱の操作がし易く、
電池の交換に力が要らず、誰でも容易に操作できる。ま
た、電池ケースと本体ケースのそれぞれに設けた第１の
接片と第２の接片とが弾接していても、離脱案内用の斜
面を設けているので、上記の両ケースの分離時における
回転及び引き抜きの操作に対して、円滑に損傷すること
なく分離できる。 また、構造が簡単で細型にかつ
小型に作ることが可能であり、コストの低減が達成でき
る。The present invention is constructed as described above, and the main body case and the battery case can be separated from each other with a small force by simply pulling them out after rotating them in relatively opposite directions. It is possible to make it easy, and since it is only necessary to insert it in the axial direction when attaching it, it is easy to attach and detach,
No need to change batteries, anyone can easily operate. Further, even if the first contact piece and the second contact piece provided on the battery case and the main body case are in elastic contact with each other, the slope for guiding the separation is provided, so that when the two cases are separated from each other. It can be smoothly separated against rotation and extraction operations without damage. In addition, the structure is simple and can be made thin and small, so that cost reduction can be achieved.
【図１】本発明の一実施例を示す正面図である。FIG. 1 is a front view showing an embodiment of the present invention.
【図２】要部の拡大断面図である。FIG. 2 is an enlarged cross-sectional view of a main part.
【図３】本体ケース側の接片と電池ケース側の接片との
接合の状態を示す説明図である。FIG. 3 is an explanatory view showing a state in which a contact piece on the main body case side and a contact piece on the battery case side are joined.
【図４】（ａ）〜（ｅ）は電池ケースを本体ケースから
離脱する動作を段階的に説明する説明図である。4 (a) to (e) are explanatory views for explaining an operation of separating the battery case from the main body case in stages.
１ 本体ケース １ａ 位置決め用の凹部 １ｂ 係止部 ５ 電池ケース ５ａ 位置決め用の突部 ５ｃ 筒部 ５ｄ 係止片 ５ｅ 係止爪 ５ｈ 凹溝 ５ｉ 離脱案内用の斜面 ７ 第１の接片 ７ａ 第１の接片の端部 ９ 第２の接片 1 Main Body Case 1a Positioning Recess 1b Locking Part 5 Battery Case 5a Positioning Projection 5c Tube 5d Locking Piece 5e Locking Claw 5h Recessed Groove 5i Detachment Guide Slope 7 First Contact 7a 1st End of the armature 9 Second armature
Claims (2)
と、上記本体ケースに着脱自在に装着される筒形の電池
ケースとを具備しており、 上記本体ケースと上記電池ケースとの突き合わせ端面の
いずれか一方に位置決め用の山形の突部と、他方に上記
突部に嵌合する凹部とが設けてあり、 上記本体ケースと上記電池ケースとのいずれか一方の内
面に係止部と、他方に上記係止部に係合可能な係止爪と
が設けてあり、 上記係止部と上記係止爪とは、上記突部が上記凹部に嵌
合する位置で係合するものであり、 上記本体ケースと上記電池ケースとが相対的に逆方向に
回転するときに、上記突部と上記凹部とがその傾斜面で
摺動して上記両ケースが軸方向に離間し、上記係止部と
上記係止爪との係合を離脱して上記電池ケースを上記本
体ケースから軸方向に分離可能にすることを特徴とする
筒形電気機器の電池電源装置。1. A cylindrical main body case for accommodating an electric device and a cylindrical battery case removably attached to the main body case, the abutting end face of the main body case and the battery case. A mountain-shaped projection for positioning on one of the two, and a recess for fitting the projection on the other, the locking portion on the inner surface of one of the main body case and the battery case, On the other hand, a locking claw engageable with the locking part is provided, and the locking part and the locking claw are engaged with each other at a position where the projection is fitted into the recess. When the main body case and the battery case rotate relatively in opposite directions, the protrusion and the recess slide on the inclined surface, the cases are separated from each other in the axial direction, and the locking is performed. The battery case from the main body case by disengaging the engagement part from the locking claw. Battery power source device of the cylindrical electric device, characterized in that the separable direction.
る上記係止爪は、上記一方の内面に嵌合する筒部から延
伸する係止片の先端部に形成してあり、上記係止爪の頂
部に形成してある凹溝には、上記他方の内面にそって設
けてある第１の接片の端部が位置しており、上記一方に
は、上記本体ケースに上記電池ケースが装着された状態
で上記第１の接片の端部に弾接する第２の接片が設けて
あり、上記凹溝の両側面は、上記第２の接片の離脱案内
用の斜面に形成してあることを特徴とする筒形電気機器
の電池電源装置。2. The locking claw provided on the other side according to claim 1, wherein the locking claw provided on the other side is formed at a tip end of a locking piece extending from a cylindrical part fitted to the inner surface of the one side. The end of the first contact piece provided along the inner surface of the other side is located in the groove formed on the top of the claw, and the battery case is attached to the body case on the one side. A second contact piece that elastically contacts the end of the first contact piece in a mounted state is provided, and both side surfaces of the concave groove are formed as slopes for guiding the separation of the second contact piece. A battery power supply device for a tubular electric device, which is characterized by being provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6008452A JPH07220704A (en) | 1994-01-28 | 1994-01-28 | Battery power unit of cylindrical electric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6008452A JPH07220704A (en) | 1994-01-28 | 1994-01-28 | Battery power unit of cylindrical electric equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07220704A true JPH07220704A (en) | 1995-08-18 |
Family
ID=11693527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6008452A Pending JPH07220704A (en) | 1994-01-28 | 1994-01-28 | Battery power unit of cylindrical electric equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07220704A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008539552A (en) * | 2005-04-27 | 2008-11-13 | ザ ジレット カンパニー | Electric appliances operated by batteries |
| JP2009505704A (en) * | 2005-08-25 | 2009-02-12 | ブラウン ゲーエムベーハー | Electric toothbrush handpiece and charging unit |
| WO2014038359A1 (en) * | 2012-09-07 | 2014-03-13 | 株式会社マキタ | Rechargeable electric device |
-
1994
- 1994-01-28 JP JP6008452A patent/JPH07220704A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008539552A (en) * | 2005-04-27 | 2008-11-13 | ザ ジレット カンパニー | Electric appliances operated by batteries |
| JP2009505704A (en) * | 2005-08-25 | 2009-02-12 | ブラウン ゲーエムベーハー | Electric toothbrush handpiece and charging unit |
| WO2014038359A1 (en) * | 2012-09-07 | 2014-03-13 | 株式会社マキタ | Rechargeable electric device |
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