• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Spirit level (1) with a spirit level body (2) formed from a profile, at least one level (3) arranged in the spirit level body (2) and at least one magnet (4) arranged inside the spirit level body (2) for exerting a holding force to a measuring area Spirit level (1), wherein the at least one magnet (4) is fixed in or on a carrier element (5) and in that the profile of the spirit level body (2) a chamber (6) or guide (7) is formed, in which the carrier element ( 5) is stored.
    公开号:AT517065A4
    申请号:T427/2015
    申请日:2015-07-03
    公开日:2016-11-15
    发明作者:Roman Lässer；Wolfgang Scheyer
    申请人:Sola-Messwerkzeuge Gmbh；
    IPC主号:
    专利说明:

    The invention relates to a spirit level with the features of the preamble of claim 1.
    Spirit levels are known from the prior art, in which a magnet for generating a holding force between the spirit level and a measurement object is provided. For example, EP 0 919 786 A1 shows a spirit level in which a permanent magnet fixed to the spirit level by means of a spring can be coupled to a measurement object for the duration of a measurement. For this purpose, a recess is provided in the sole of the spirit level, by means of which the magnet can be coupled to the measurement object, for example a surface. A disadvantage of this design is that the measuring surface of the spirit level is interrupted by the necessary recess. In addition, a complex mechanical reworking of the trained as a hollow profile level body is required.
    WO 97/13119 shows a spirit level with a magnet held inside the spirit level. The measuring surface of the spirit level is not broken in this case. The magnet abuts the inner wall of the side surface forming the measuring surface and can thus exert a holding force through the spirit level body. The magnet itself is arranged in the spirit level body in an additional carrier body ("push-in element"), wherein the push-in element is inserted into the bubble level body and held in the assembled state in this.
    Object of the present invention is to provide an improved over the prior art level.
    This problem is solved by a spirit level with the features of claim 1. Advantageous embodiments are defined in the dependent claims.
    By the at least one magnet is fixed in or on a support member and in the profile of the spirit level body, a chamber or guide is formed, in which the support member is mounted, the possibility is created, the obstacle-free and without additional support body and introduce the magnet without additional support body in the spirit level body to store.
    Obstacle-free means that, contrary to the prior art, the support element supporting the magnets can, if desired, be positioned along the entire length of the spirit-level body. This is not the case with solutions which are based on an additional carrier body.
    The profile forming the spirit-level body can be designed as a hollow-chamber profile, as a C-profile or as a profile with a hollow chamber.
    By the chamber or guide is designed as part of the profile itself, no additional support body, for example, a plastic tip casting, for receiving the magnet or the magnet is required. In other words, therefore, in the production of serving as a spirit level body profile, the chamber or guide is mitgefertigt, for example, taken into account in the extrusion design according to the profile design. The spirit level body is preferably produced by an extrusion process.
    The chamber or guide allows precise positioning of the support member together with the magnet attached thereto. The support member is insertable over an end face of the spirit level body.
    The chamber or guide is designed so that an inserted carrier element is mounted elastically clamped and the magnet or magnets come to lie near the inner wall of the measuring surface.
    Preferably, it is provided that the profile forming the spirit-level body is thinned out in the region of the magnets, so that a stronger force can be achieved by the magnets on the measurement object. Through the chamber or guide the support member is positively held in the level body and thus is insensitive to shocks and shocks. In addition to the already present positive connection, the support element can be additionally secured by adhesive or welds.
    It is preferably provided that the at least one chamber or guide extends substantially over the entire length of the spirit level. This can be realized, for example, by providing the guide for the carrier element on the side of the profile facing the measuring surface already in the profile forming the spirit-level body (usually an aluminum extruded profile).
    It can also be provided that the at least one chamber or guide is present only in sections over the longitudinal extent of the spirit level.
    It can be provided that the carrier element is made of plastic. Preferably, metallic particles, preferably ferromagnetic particles, are embedded in the plastic. In this way, the carrier element can be flooded by the magnetic flux.
    It is preferably provided that the carrier element consists of a ferromagnetic material, preferably steel.
    By ferromagnetic properties of the support element - be it by embedded particles or by intrinsic properties of the material of the support member, the magnetic effect is amplified and distributed in this case, the holding force associated with the or arranged on the support member magnet over the entire length of the support element.
    This is advantageous over a selective holding force between the spirit level and the measurement object, as is customary in the prior art. Also, the release of the spirit level after completion of the measurement process is facilitated by the invention.
    The invention will be explained in more detail by the figures. It shows or show:
    Fig. 1 is a spirit level according to the prior art
    Fig. 2a, 2b support elements in two embodiments
    3a to 3h different variants of the embodiment of the chamber 6 and the guide. 7
    FIG. 1 shows a spirit level according to the prior art, wherein a magnet 4 is arranged in the interior of the spirit level body 2 and terminates flush with a recess of the spirit level body 2 on the measuring surface 9. In a variant, the magnet 4 is arranged in a carrier body 8 in the spirit level body 2.
    FIG. 2 a shows a carrier element 5 on which six magnets 4 are arranged in pairs. It has been found in experiments that the paired arrangement of magnets 4 is particularly advantageous for the magnetic flux of the support member 5 and thus the holding force to be achieved.
    FIG. 2b shows the cross section of a carrier element 5 in the form of a plastic rail in which ferromagnetic particles are embedded as magnets 4. Production can be carried out, for example, by extruding a plastic mass loaded with ferromagnetic particles.
    FIGS. 3 a to 3 h show different variants of the embodiment of the chamber 6 or the guide 7 for receiving the carrier element 5 and the magnet 4.
    In FIG. 3 a, the chamber 6 or the guide 7 for receiving the carrier element 5 and the magnet 4 is designed as a chamber with a groove in the spirit level body 2 for additional guidance of the magnet 4. The groove is formed on the inside of the side wall of the spirit level body 2, the outside of which forms the measuring surface 9.
    In FIG. 3b, two carrier elements 5 with magnets 4 are arranged in the chamber 6.
    FIG. 3c shows a variant of the chamber 6 without an additional groove in the spirit level body 2.
    FIG. 3d shows a variant in which the spirit level body 2 has no chamber 6 but a groove as a guide 7. In this variant, the support element would be additionally secured by gluing.
    FIG. 3 e shows a variant in which the chamber 6 tapers in the direction of the interior of the spirit level body 2.
    In the example according to FIG. 3f, the chamber 6 is not closed but has an opening in relation to the interior of the spirit level body 2.
    Figure 3g shows a variant in which the profile of the spirit level body 2 is open and the chamber 6 is closed.
    In the variant according to FIG. 3h, the profile of the spirit level body 2 is open. The carrier element 5 is held by the guide 7.
    List of reference signs used: 1 Spirit level 2 Spirit level body 3 Level 4 Magnet 5 Carrier element 6 Chamber 7 Guide 8 Carrier body 9 Measuring surface
    Innsbruck, on 2 July 2015
    权利要求:
    Claims (6)
    [1]
    claims
    1. Spirit level (1) having a level body formed by a profile (2), at least one in spirit level body (2) arranged dragonfly (3) and at least one inside the spirit level body (2) arranged magnet (4) for exercising a holding force to a Measuring surface of the spirit level (1), characterized in that the at least one magnet (4) is fixed in or on a carrier element (5) and in that a chamber (6) or guide (7) is formed in the profile of the spirit level body (2) in which the carrier element (5) is mounted.
    [2]
    2. Spirit level according to claim 1, characterized in that extending the at least one chamber (6) or guide (7) substantially over the entire length of the spirit level (1).
    [3]
    3. Spirit level according to claim 1, characterized in that the chamber (6) or guide (7) only partially in the interior of the spirit level body (2).
    [4]
    4. Spirit level according to at least one of the preceding claims, characterized in that the carrier element (5) is formed from plastic.
    [5]
    5. Spirit level according to claim 4, characterized in that in the plastic metallic particles, preferably ferromagnetic particles are embedded.
    [6]
    6. Spirit level according to at least one of claims 1 to 3, characterized in that the carrier element (5) consists of a ferromagnetic material, preferably made of steel. Innsbruck, on 2 July 2015
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    同族专利:
    公开号 | 公开日
    DE102016007842A1|2017-01-05|
    US20170003127A1|2017-01-05|
    AT517065B1|2016-11-15|
    CN106323239A|2017-01-11|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    IT201600116745A1|2016-11-18|2018-05-18|Metrica Spa|MAGNETIC LEVEL WITH BASE OF CLOSED LEVEL AND MAGNETIC CREW INSIDE THAT LEVEL|US3832782A|1972-01-14|1974-09-03|V Johnson|All-craft level|
    US4593475A|1985-04-15|1986-06-10|Great Neck Saw Manufacturing, Inc.|Level with slotted magnet support|
    US4829676A|1987-08-04|1989-05-16|Waldron David C|Hands-free level indicating device|
    CH690200A5|1995-09-29|2000-05-31|Mapo Ag|Water magnetic spirit|
    US6029360A|1996-11-13|2000-02-29|Koch; Robert E.|Multi-angle pocket level|
    EP0919786A1|1997-12-01|1999-06-02|Stabila-Messgeräte Gustav Ullrich GmbH & Co.KG|Spirit level|
    US6568095B2|2001-07-03|2003-05-27|David H. Snyder|Magnetic torpedo level|
    US7117606B2|2004-07-27|2006-10-10|Brown David A|Pocket-sized leveling tool|
    CN2804798Y|2005-06-21|2006-08-09|吴东明|Horizon measuring means with magnetic device|
    US7562462B2|2007-03-28|2009-07-21|Carl Gentleman|Hands-free level indicating device|
    CN101776450A|2009-01-09|2010-07-14|沈建明|Horizontal ruler|
    CN202582542U|2012-04-23|2012-12-05|中国二冶集团有限公司|Detector for steel stair railing and guardrail|
    CN104132648B|2013-01-07|2018-09-11|锐尔工具有限公司|Level instrument device with interchangeable modules and numerical characteristic|
    EP3353493B1|2015-09-21|2020-08-12|Milwaukee Electric Tool Corporation|Level with magnetic coupling|IT201700099330A1|2017-09-05|2019-03-05|Metrica Spa|PRISMATIC LEVEL WITH MAGNETS|
    CN110375714A|2018-04-12|2019-10-25|米沃奇电动工具公司|System is installed and kept to the magnet of tool|
    法律状态:
    2021-03-15| MM01| Lapse because of not paying annual fees|Effective date: 20200703 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA427/2015A|AT517065B1|2015-07-03|2015-07-03|spirit level|ATA427/2015A| AT517065B1|2015-07-03|2015-07-03|spirit level|
    DE102016007842.1A| DE102016007842A1|2015-07-03|2016-06-28|spirit level|
    CN201610514601.3A| CN106323239A|2015-07-03|2016-07-01|Spirit level|
    US15/200,624| US20170003127A1|2015-07-03|2016-07-01|Spirit level|
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