EP1707317A2 - Serre-joint - Google Patents

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Publication number
EP1707317A2
EP1707317A2 EP06111449A EP06111449A EP1707317A2 EP 1707317 A2 EP1707317 A2 EP 1707317A2 EP 06111449 A EP06111449 A EP 06111449A EP 06111449 A EP06111449 A EP 06111449A EP 1707317 A2 EP1707317 A2 EP 1707317A2
Authority
EP
European Patent Office
Prior art keywords
handle
housing
drive lever
pull
push rod
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
EP06111449A
Other languages
German (de)
English (en)
Other versions
EP1707317B1 (fr
EP1707317A3 (fr
Inventor
Zbiegniew Noniewicz
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.)
Wolfcraft GmbH
Original Assignee
Wolfcraft GmbH
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 Wolfcraft GmbH filed Critical Wolfcraft GmbH
Publication of EP1707317A2 publication Critical patent/EP1707317A2/fr
Publication of EP1707317A3 publication Critical patent/EP1707317A3/fr
Application granted granted Critical
Publication of EP1707317B1 publication Critical patent/EP1707317B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/10—Handle constructions characterised by material or shape
    • B25G1/102—Handle constructions characterised by material or shape the shape being specially adapted to facilitate handling or improve grip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/068—Arrangements for positively actuating jaws with at least one jaw sliding along a bar

Definitions

  • the invention relates to a clamp with a housing through which engages a pull / push rod, with a fixed on one side of the pull / push rod on the housing fixed jaw and a seated on the pull / push rod movable jaw, which of a arranged in the housing drive gear by pivoting a drive lever, which is arranged together with a housing-mounted handle on the other side of the pull / push rod on the housing, relative to the fixed jaw is displaceable, wherein the distances between the free ends of handle handle and drive lever of the Switzerland- / Push rod are about the same size and the contour lines of the technological backs of handle handle and drive lever along its extension direction are rounded convex and each run on an imaginary circular arc.
  • Such a clamp describes the US 6,676,120 B1 ,
  • the grip handle and drive lever are designed approximately the same length. The free ends are the same distance from the pull / push rod.
  • the mutually technological back handle handle and drive lever extend in the area that is encompassed by the hand of the user, so the grip zone each on a circular arc.
  • the two circular arc lines run on very different radii.
  • the circular arc line which defines the course of the back of the drive lever, runs on a circular arc whose radius corresponds to about twice the length of the drive lever.
  • the radius of the Gankkens the handle handle runs on a circular arc whose radius corresponds to about three times the length of the drive lever.
  • the user's hand must not exceed a certain size.
  • the hand width must be smaller than the distance of a projection of the end of the handle or the drive lever and a contact shoulder on the fixed side of the handle or the handle handle.
  • a one-handed clamp also shows the DE 197 31579 .
  • the invention has for its object to ergonomically improve the actuators, so the drive lever and the handle of a generic Einhandspannzwinge.
  • the features specified in claim 1 form the known clamping clamp handling technology further.
  • the handling is ergonomically favorable.
  • the mutually technological back of grip handle and drive lever are rounded convexly such that the circular arc lines form boundary lines over which the contour line does not extend radially outward over the entire grip zone.
  • the contour line runs over the entire grip zone up to the free ends of the grip handle or the drive lever in a region which is bounded by the circular arc lines radially outward. Only in the end areas of handle handle and drive lever, the contour line leaves the imaginary circular arc line. The contour line curves more strongly there. She leaves the circular arc towards her center.
  • the grip handle and the drive lever are not only rounded in the respective extension direction.
  • grip handle and drive lever are rounded but also transversely to the extension direction.
  • this rounding has a considerably greater curvature than the rounding in the extension direction.
  • Grip handle and drive lever have a similar shape. They each form spines whose curvature contour preferably lies on a circular arc line.
  • the imaginary circular arc lines have almost the same radius of curvature.
  • the radius of curvature of the handle handle that lies in the cavity of a user's hand is slightly less rounded than the back of the drive lever around which the fingers of the user's hand grip. The two backs are spaced apart so that the user's hand can grip grip handle and drive lever comfortably.
  • An arranged in front of the handle release lever is designed shorter. It has a length which is sufficiently large to encompass the release lever with the index finger. He also has a corresponding distance to the handle handle.
  • the pointing to the push / push rod end of the handle handle also forms a bead, against which the bend lies between the thumb and forefinger of the user's hand.
  • the drive lever is located with his back in the hollow of the user's hand and the fingers of the user's hand include the grip handle. Since the two circular arc lines have similar radii, ergonomic handling is also possible with this method of operation.
  • grip handle and drive lever are arranged in a certain symmetry to each other.
  • Grip handle and drive lever form a distance space between them. As an angle bisector runs one Symmetry line through this distance space and lies intersects a vertex.
  • the curvature arcs are preferably laid so that they intersect approximately in the symmetry line. This symmetry line runs transversely to the direction of extension of the pull / push rod.
  • the two midpoints of the lines of curvature on which the ridges of both the drive lever and the handle handle extend are in a line that extends substantially parallel to the pull / push rod.
  • the radii are in the order of the lengths of grip handle or drive lever.
  • the inner flanks of grip handle and drive lever, which assign each other, are rounded. But they are less rounded than their backs.
  • drive lever and release lever are klipszuen the drive body.
  • the drive housing forms a bearing section, which forms a stub axle on both the one and the other broad side.
  • the drive lever can be clipped.
  • the release lever is clipped in the same way over its assigned stub axle.
  • the lever forms a slot. Within the slot is an area that forms two opposing ramps. This area is pushed over the stub axles until the stub shafts engage in bearing holes located at the end of the ramps.
  • the one-handed clamp can be easily mounted. Separate axles, in particular thru axles are not required.
  • release lever and drive lever are thus injection molded of the same material made of plastic.
  • the housing may be made as an injection molded part. Only a central opening, which receives the transmission elements, is provided with housing covers.
  • the one-hand clamping clamp described in the embodiment has a drive housing 2 consisting of a single plastic injection molded part.
  • This drive housing 2 has a shaft-shaped passage opening for receiving a cross-sectionally square and made of metal pull / push rod 2.
  • a fixed jaw 3 On one side of the pull / push rod 2 is located a fixed jaw 3, which is connected via a jaw carrier 5 fixed to the drive housing 1.
  • the fixed jaw 3 opposite is a movable jaw 4, which is associated with a further jaw carrier 6, at the head 7 releasably attached to the end of the pull / push rod 2.
  • the housing On the side opposite the jaws 3, 4, the housing has a substantially rectangular projecting handle handle 7, the back 7 'is rounded and which a drive lever 8 is opposite, which also has a rounded back 8', but the back 7 'of the handle handle leading the way.
  • the rounding of both the back 7 'of the handle 7 and the back 8' of the drive lever 8 extending in the extension direction of handle 7 and drive lever 8.
  • drive lever 8 and handle 7 but also rounded in the transverse direction, so that their hand or the area encompassed by the fingers is crowned.
  • the drive housing 1 has inside two continuous windows, which are closed on both sides by a housing cover 10.
  • a pointing towards the movable jaw 4 window is located on a contact surface 19 which extends transversely to the extension direction of the pull / push rod 2, a drive plate 15, which is penetrated by the pull / push rod 2, and acted upon by a return spring 16 is.
  • a drive cam 14 of the drive lever 8 engages the drive plate 15 at.
  • a locking plate 17 which is acted upon on one side by a locking plate spring 18 in a tilted position.
  • the locking plate spring 18 opposite end of the locking plate 17 is located in a C-shaped bearing jaw 20th
  • a release cam 22 of a release lever 11 act on the opposite side of the locking plate spring 18 wide side of the locking plate 17, a release cam 22 of a release lever 11 act.
  • the release lever 11 is made as well as the drive lever 8 as an injection molded part and can be operated by the index finger of a handle handle 7 and drive lever 8 comprehensive hand.
  • the injection-molded part forming the drive housing 1 forms two mutually opposite stub axles 31 in a bearing section 30. Also for storage of the release lever 11 stub axles 32 are provided.
  • the drive lever 8 made of an injection molded part has in the region of its bearing a slot 27 which forms two opposite shaft walls in an area, which run obliquely towards each other. These areas form ramps 28.
  • the ramps 28 open into bearing openings 29 which are in alignment with each other and which serve to receive the stub axle 31.
  • the bearing portion 30 is inserted into the slot 27 in such a way that the ramps 28 accumulate on the two mutually opposite axle stubs 31. By exerting force, the two slot walls then spread apart until the two stub axles 31 snap into the respectively assigned bearing openings 29. The assembly of the release lever 11 takes place in the same way.
  • grip handle 7 and drive lever 8 protrude in such a manner substantially transversely from the pull / push rod 2, that a line of symmetry 23 located in the space between grip handle 7 and drive lever 8 extends approximately transversely to the extension direction of pull / push rod 2.
  • the line of symmetry extends through a vertex 9, which is formed by the two mutually opposite inner edges 7 "and 8" of grip handle 7 and drive lever 8.
  • the two mutually Weg josden back 7 'and 8' of grip handle 7 and drive lever 8 extend on the dash-dotted circular arc lines 24, 25.
  • the two circular arc lines intersect approximately in the bisector 23.
  • the 24 'and 25' designated centers of Circular arc lines 24, 25 lie on an imaginary line which runs parallel to the pull / push rod 2.
  • the distance A of the free end 7 "'corresponds to the grip handle 7 of the pull / push rod is about 120 mm and corresponds approximately to the radius of the circular arc line 24, on which the back 7' extends.In the exemplary embodiment, this radius corresponds to about 140 mm.
  • the radius of the circular arc line 25 on which the ridge 8 'of the drive lever 8 extends is somewhat smaller is 100 mm.
  • the distance A of the free end 8 '"of the drive lever 8 is also 120 mm,
  • the radii of the circular arc lines 24, 25 are in a range between 80 and 160 mm, preferably in a range between 90 and 150 mm the radius of curvature of lying in the hand recess of a user grip handle 7 is slightly larger than that of the fingers of the hand encompassed drive lever 8.
  • the two centers 24 ', 25' are always beyond the far back, so that the largest distance between the two facing away from each other back 7 ', 8' is smaller than the smallest radius.
  • the back 7 'or 8' extends on a slightly more curved contour line.
  • This somewhat more curved contour line merges into an inner flank 7 ", 8", forming a rounded tip.
  • the rounded tip of the end sections 7 "', 8"' formed in this way lies within the two contour lines 24, 25.
  • the free ends 7 "', 8"' can rest in the hollow of the user's hand, so that the leverage effect is increased.
  • an abutment shoulder 26 for the bend between the thumb and forefinger of the user's hand lies approximately on the imaginary extension of the inner flank 8 "of the drive lever 8.
  • the inner flank 8" runs as well as the inner flank 7 " a curved line.
  • the distance of the release lever 11 of the abutment shoulder 26, which is rounded, is dimensioned so that in the grip handle 7 and the drive lever 8 comprises holding hand, the release lever 11 can be operated by the index finger.
  • the release lever 11 is arranged so that it can be encompassed by the tip of the index finger of the handle and the release lever spanning hand.
  • the encompassed by the index finger zone of the release lever 11 is rounded transversely to the Clearrekkungscardi of the release lever 11. In the extension direction of the release lever is rounded substantially concave.
  • the convexly rounded back 7 ', 8' extend from grip handle 7 and drive lever 8, starting from the outer ends of grip handle 7 or drive lever 8, over the main grip of the hand or the fingers Area. Both the back 7 'and the back 8' go at the end of the umgriffenen zone in each case in a concave rounded grip zone.
  • the concave rounded grip zone is more curved than the convexly rounded grip zone.
  • the concave rounded grip zone merges into the bead 26 and supports the bending between the middle finger and the index finger.
  • the handle contour forms a saddle, since here too the handle is convexly rounded in the transverse direction.
  • the drive lever 8 also forms a saddle in the region of its convexly curved section. This saddle lies directly opposite the saddle formed by the grip handle 7.
  • the two saddles are designated by the reference numerals 33 and 34.
  • the through the centers 24 'and 25' extending to the extension direction of the pull / push rod 2 parallel straight line intersects the handle handle 7 and the drive lever 8 near their free ends. The distance between the intersection of this line and the respective free end of grip handle 7 or drive lever 8 corresponds approximately to a quarter of the distance of the intersection of the straight line to the saddle 33 and 34th
EP06111449A 2005-04-01 2006-03-21 Serre-joint Active EP1707317B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005015336 2005-04-01
DE102006010383A DE102006010383A1 (de) 2005-04-01 2006-03-03 Spannzwinge

Publications (3)

Publication Number Publication Date
EP1707317A2 true EP1707317A2 (fr) 2006-10-04
EP1707317A3 EP1707317A3 (fr) 2008-04-30
EP1707317B1 EP1707317B1 (fr) 2011-05-25

Family

ID=36602462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06111449A Active EP1707317B1 (fr) 2005-04-01 2006-03-21 Serre-joint

Country Status (4)

Country Link
US (1) US20060255519A1 (fr)
EP (1) EP1707317B1 (fr)
CA (1) CA2541252C (fr)
DE (1) DE102006010383A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2626173A3 (fr) * 2012-02-09 2017-09-13 Andreas Maier GmbH & Co. KG Griffe de serrage pour un dispositif de serrage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090206534A1 (en) * 2008-02-14 2009-08-20 Mccracken Robert E CamLock Clamp
CN104070480B (zh) 2013-03-15 2018-06-22 创科电动工具科技有限公司 夹紧和扩张工具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5248068A (en) 1991-10-21 1993-09-28 Snap-On Tools Corporation Caulk gun with ergonomic handles
DE19731579A1 (de) 1997-07-23 1999-01-28 Wolfcraft Gmbh Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch
US6676120B1 (en) 2000-10-26 2004-01-13 M. Susan Hallbeck Bar clamp having ergonomic handle

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
US4836596A (en) * 1987-04-15 1989-06-06 Owen Ronald C Tweezers and magnifier
US4893801A (en) * 1988-12-16 1990-01-16 Flinn Robert W Clamp
US5005449A (en) * 1990-02-14 1991-04-09 Peterson Manufacturing Co., Inc. Hand tool or improved bar clamp
US5004029A (en) * 1990-04-16 1991-04-02 Garner William C Saw table apparatus
DE9320922U1 (de) * 1992-11-12 1995-05-04 Triangle Tool Group Inc Ergonomische Griffkonstruktion für Handwerkzeuge
US5454551A (en) * 1993-11-10 1995-10-03 Hobday Clamp Company Clamping device
DE29821110U1 (de) * 1998-11-25 2000-04-06 Wolfcraft Gmbh Einhändig betätigbare Spannzwinge
DE29909191U1 (de) * 1999-05-27 2000-10-05 Wolfcraft Gmbh Exzenterspannzwinge
US6336386B1 (en) * 2000-07-21 2002-01-08 Yung Jen Lee Plier device having an adjustable opening
CA2421926C (fr) * 2000-09-12 2009-11-10 Wolfcraft Gmbh Outil de serrage comprenant un mors fixe repositionnable et un mors mobile
GB2375984B (en) * 2001-05-30 2005-02-02 Peter Devitt Cramp attachment kit
WO2003013793A1 (fr) * 2001-08-10 2003-02-20 American Tool Companies, Inc. Serre-joints a vitesse variable et a pression augmentee et variable
US6957808B2 (en) * 2001-11-13 2005-10-25 Wmh Tool Group, Inc. Apparatus for securing a workpiece
US7641183B2 (en) * 2002-07-09 2010-01-05 Irwin Industrial Tool Company Bar clamp with side-activated braking lever
US6648315B1 (en) * 2002-11-14 2003-11-18 Yung Jen Lee Clamping device having indirect driving mechanism
WO2004080275A2 (fr) * 2003-03-06 2004-09-23 Applied Medical Resources Corporation Agrafe a ressort et son procede d'assemblage
CA2542386A1 (fr) * 2006-03-14 2007-09-14 Rino Lacombe Entretoise de panneaux a assemblage par rainure et languette

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5248068A (en) 1991-10-21 1993-09-28 Snap-On Tools Corporation Caulk gun with ergonomic handles
DE19731579A1 (de) 1997-07-23 1999-01-28 Wolfcraft Gmbh Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch
US6676120B1 (en) 2000-10-26 2004-01-13 M. Susan Hallbeck Bar clamp having ergonomic handle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2626173A3 (fr) * 2012-02-09 2017-09-13 Andreas Maier GmbH & Co. KG Griffe de serrage pour un dispositif de serrage

Also Published As

Publication number Publication date
CA2541252A1 (fr) 2006-10-01
US20060255519A1 (en) 2006-11-16
CA2541252C (fr) 2014-07-29
EP1707317B1 (fr) 2011-05-25
EP1707317A3 (fr) 2008-04-30
DE102006010383A1 (de) 2006-10-05

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