EP1077120A2 - Kantenschutz für Handsägen - Google Patents

Kantenschutz für Handsägen Download PDF

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Publication number
EP1077120A2
EP1077120A2 EP00850133A EP00850133A EP1077120A2 EP 1077120 A2 EP1077120 A2 EP 1077120A2 EP 00850133 A EP00850133 A EP 00850133A EP 00850133 A EP00850133 A EP 00850133A EP 1077120 A2 EP1077120 A2 EP 1077120A2
Authority
EP
European Patent Office
Prior art keywords
edge protector
saw blade
edge
saw
closure
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.)
Granted
Application number
EP00850133A
Other languages
English (en)
French (fr)
Other versions
EP1077120B1 (de
EP1077120A3 (de
Inventor
Eckhard Eriksson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kapman AB
Original Assignee
Kapman AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kapman AB filed Critical Kapman AB
Publication of EP1077120A2 publication Critical patent/EP1077120A2/de
Publication of EP1077120A3 publication Critical patent/EP1077120A3/de
Application granted granted Critical
Publication of EP1077120B1 publication Critical patent/EP1077120B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/006—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for reciprocating saws

Definitions

  • Handsaws are often provided with detachable edge protectors to avoid the saw teeth damaging or being damaged by other tools during transport or storage.
  • edge protectors are often made as profiles of polymer materials, which are pushed over the toothed edge of the saw and retained by the elasticity of the polymer material, as described in the patent SE 469 116.
  • Such a polymer profile may also be used for suspension of light weight items on a wall, but hardly for complete saws or similar tools, since the friction may be reduced by oil or heat.
  • the present invention concerns an edge protector for saws, which in comparison to prior art is locked in a longitudinal direction to prevent release of the protector by the weight of the saw, and which at one end is designed for easy suspension on a wall or at the belt of the user.
  • edge protector is described with reference to the figures, where figure 1 shows a handsaw and an edge protector in a relative position when they can be disengaged from each other, figures 2-3 in a relative position when they are locked to each other, and figure 4 an end view of the edge protector.
  • the handsaw comprises a saw blade (11) provided with one toothed edge (12) and one handle (13) attached to the rear end of the saw blade.
  • the front end of the saw blade is made with an oblong hole (14).
  • the edge protector comprises one tooth-protecting part, made with basically the same curvature as the toothed edge (12) of the saw blade, and with a generally U-shaped cross-section with enough space to enclose the toothed edge (12).
  • the cross-section is preferrably unsymmetrical, with a wider base part (16) and a narrower cover part (15).
  • the base part (16) extends farther than the cover part (15) in the end corresponding to the front end of the saw blade and comprises there one suspension part (18), one information carrier (17) and one peg (19).
  • the suspension part is made with a hole for suspension of the edge protector on a wall for storage or exposure, or on the belt of the user of the saw.
  • the information carrier is made to carry information of trademark, catalogue number and intended use, integral with the material or as a sticker.
  • the peg (19) is made with a cylindrical stem of a lengthe larger than the thickness of the saw blade, and with a head (22) which can be inserted through the hole (14) of the saw blade when its position relative to the edge protector permits disengagement as in figure 1, but which can not be moved through the hole when the position of the saw blade locks it to the edge protector according to figure 2.
  • suitable shapes of the hole (14) and the head (22) can be a keyhole-shape hole and a circular head, which set no demands on the angular precision but needs a longitudinal displacement to lock the saw blade to the edge protector.
  • Another example is an elongated slot-like hole (14) and an elongated head (22), which requires a certain relative angular position for disengagement.
  • the cover part can be made with a cutout (20) through which one can observe the teeth in case there are several saw blades with different tooth shapes.
  • the edge protector is provided with a closure (21) which can fasten the rear end of the saw blade to the edge protector in a releasable way.
  • closures are known in prior art, such as magnets or elastic snaps corresponding to patent SE 469 116 or elastically lockable enclosing bridges.
  • the edge protector When the edge protector is to be mounted on a saw, the saw and the edge protector are held in an appropriate relative angle according to figure 1, and the head (22) of the peg is moved through the hole (14). The saw is then rotated around the stem (19), if needed with a downward displacement, until the toothed edge (12) of the saw blade has entered between the base part (16) and the cover part (15) of the tooth-protecting part. When the saw blade has been rotated to its final position according to figure 2, it is fastened in this position by the closure (21). The saw can then be suspended on a wall or a belt, or put into a tool chest without risk of damaging or being damaged by other items.
  • the edge protector is made straight, and if the toothed edge is curved the edge protector should be correspondingly curved.
  • the suspension part (18) and the information carrier (17) may also be made as separate or removable parts which can be attached to the peg (19). In that way, the edge protector can be adapted to different shapes of the cutout of the suspension part, or different information content. Also, the total required size of the saw with its edge protector can be reduced.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Sawing (AREA)
  • Knives (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
EP00850133A 1999-08-16 2000-08-07 Kantenschutz für Handsägen Expired - Lifetime EP1077120B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9902921 1999-08-16
SE9902921A SE519396C2 (sv) 1999-08-16 1999-08-16 Eggskydd för handsågar

Publications (3)

Publication Number Publication Date
EP1077120A2 true EP1077120A2 (de) 2001-02-21
EP1077120A3 EP1077120A3 (de) 2005-08-31
EP1077120B1 EP1077120B1 (de) 2006-12-20

Family

ID=20416681

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00850133A Expired - Lifetime EP1077120B1 (de) 1999-08-16 2000-08-07 Kantenschutz für Handsägen

Country Status (5)

Country Link
EP (1) EP1077120B1 (de)
JP (1) JP4545900B2 (de)
AT (1) ATE348693T1 (de)
DE (1) DE60032424T2 (de)
SE (1) SE519396C2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1243369A1 (de) * 2001-03-22 2002-09-25 Kanzawa Seiko Co., Ltd Säge mit einklappbarem Sägeblatt

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106613406A (zh) * 2016-12-20 2017-05-10 成都佰思汇信科技有限责任公司 防护可调切割锯

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE113470C1 (de) * 1943-02-26 1945-03-13
JP2545513Y2 (ja) * 1992-05-08 1997-08-25 川嶋工業株式会社 鞘付きナイフ
JPH0646826U (ja) * 1992-12-04 1994-06-28 有限会社 松林鋸製作所 鋸身格納型鋸
TW345524B (en) * 1997-09-22 1998-11-21 American Tool Companies As A protecting member for protecting a cutting edge of a tool and the method for making the same
SE513534C2 (sv) * 1997-10-17 2000-09-25 Kapman Ab Hölster för handsågar

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1243369A1 (de) * 2001-03-22 2002-09-25 Kanzawa Seiko Co., Ltd Säge mit einklappbarem Sägeblatt

Also Published As

Publication number Publication date
SE9902921D0 (sv) 1999-08-16
ATE348693T1 (de) 2007-01-15
JP4545900B2 (ja) 2010-09-15
DE60032424D1 (de) 2007-02-01
EP1077120B1 (de) 2006-12-20
SE9902921L (sv) 2001-02-17
DE60032424T2 (de) 2007-10-11
JP2001087940A (ja) 2001-04-03
SE519396C2 (sv) 2003-02-25
EP1077120A3 (de) 2005-08-31

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