EP1053832A2 - Matrice cooperante pour outil avec une roue matrice rotative - Google Patents

Matrice cooperante pour outil avec une roue matrice rotative Download PDF

Info

Publication number
EP1053832A2
EP1053832A2 EP00870104A EP00870104A EP1053832A2 EP 1053832 A2 EP1053832 A2 EP 1053832A2 EP 00870104 A EP00870104 A EP 00870104A EP 00870104 A EP00870104 A EP 00870104A EP 1053832 A2 EP1053832 A2 EP 1053832A2
Authority
EP
European Patent Office
Prior art keywords
die
tool
frame
crimping
support surface
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.)
Withdrawn
Application number
EP00870104A
Other languages
German (de)
English (en)
Other versions
EP1053832A3 (fr
Inventor
Gary E. Schrader
Armand T. Montminy
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.)
FCI SA
Original Assignee
Framatome Connectors International SAS
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
Priority claimed from US09/311,814 external-priority patent/US6109088A/en
Application filed by Framatome Connectors International SAS filed Critical Framatome Connectors International SAS
Publication of EP1053832A2 publication Critical patent/EP1053832A2/fr
Publication of EP1053832A3 publication Critical patent/EP1053832A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/042—Hand tools for crimping

Definitions

  • the present invention relates to tools with a repositional die and, more particularly, to a co-operating die used with the repositional die.
  • U.S. Patent No. 5,211,050 discloses a detent mechanism for controlling the position of a rotatable die.
  • the mechanism has a ball biased by a strap.
  • the strap is mounted to the frame between a pivot pin and another pin.
  • U.S. Patent No. 4,926,685 discloses a repositionable die on a longitudinally movable axle. The axle is biased by a coil spring.
  • a crimping tool comprising a frame, a die wheel rotatably connected to the frame by a pivot pin, and a positioning system for detent locating the die wheel at predetermined rotational positions on the frame.
  • the crimping tool further comprises a co-operating die mounted to the frame opposite the die wheel.
  • the co-operating die comprises a bottom section with a mounting hole, a top section with a crimping surface, and a first laterally extending support surface. The support surface extends from a first lateral side of the co-operating die and rests against an edge of the frame.
  • a crimping tool comprising a frame, a die wheel rotatably connected to the frame by a pivot pin, and a positioning system for detent locating the die wheel at predetermined rotational positions on the frame.
  • the crimping tool further comprises a co-operating die stationary mounted to the frame opposite the die wheel.
  • the co-operating die comprises a bottom mounting section, a top section with a crimping surface, and a first lateral projection.
  • the first lateral projection extends from a first lateral side of the co-operating die.
  • the first projection has a first downward facing support surface which rests against an edge of the frame facing the die wheel.
  • FIG. 1 there is shown an exploded perspective view of a tool 10 incorporating features of the present invention.
  • a tool 10 incorporating features of the present invention.
  • the present invention will be described with reference to the single embodiment shown in the drawings, it should be understood that the present invention can be embodied in many alternate forms of embodiments.
  • any suitable size, shape or type of elements or materials could be used.
  • the tool 10 generally comprises a frame 12, a repositionable die 14 and a stationary die 16.
  • the tool 10 is a manual hand operated crimping tool for crimping connectors onto electrical conductors.
  • the crimping tool 10 is similar to the tool described in U.S. Patent No. 5,211,050 which is hereby incorporated by reference.
  • the frame 12 includes an upper frame part 18, a lower frame part 20, and a lower handle part 22.
  • the lower frame part 20 is pivotally connected to the upper frame part 18 by a pivot 24.
  • the lower frame part 20 is pivotally connected to the lower handle part 22 by a pivot 26.
  • the lower handle part 22 is connected to the upper frame part 18 by a connecting bar 28.
  • other types of frame configurations could be provided.
  • the repositionable die 14, in this embodiment, is a die wheel rotatably connected to the upper frame part 18.
  • the die 14 could have a shape different from a general rotatable wheel, could be mounted to the upper frame part for sliding and/or rotational movement, or could be mounted to the lower frame part.
  • the die wheel 14 has five different size crimping areas located around its perimeter for crimping five different size connectors. However, any suitable number of different size crimping areas could be provided.
  • the upper frame part 18 includes two frame pieces 30, 31 which are connected and spaced apart by spacers 32.
  • the die wheel 14 is located between the two frame pieces 30, 31.
  • a pivot pin 34 rotatably connects the die wheel 14 to the frame pieces 30, 31.
  • the tool 10 includes a positioning system for detent locating the die wheel 14 at predetermined rotational positions on the upper frame part 18.
  • the positioning system includes a spring 36, a washer 38 and a ball 40.
  • the die wheel 14 has five seats 42 located on its lateral side surrounding its centre mounting hole 44; one seat for each of its perimeter crimping areas.
  • the frame piece 30 has a hole 46 which the ball 40 is located in.
  • the ball 40 contacts the lateral side of the die wheel 14 and the washer 38 on opposite sides of the frame piece 30.
  • the washer 38 is a flat rigid washer.
  • the spring 36 is located between the washer 38 and the head 48 of the pivot pin 34.
  • the spring 36 is a spring washer and, more specifically, a curved washer.
  • the spring washer could be a Belleville washer 36a as shown in Fig. 6A, a wavy washer 36b as shown in Fig. 6B, or even a helical wire formed as a spring 36c as shown in Fig. 6C.
  • the general ring shape of the spring 36 allows the spring to be mounted on the shaft section 50 of the pivot pin 34 .
  • the spring 36 can be mounted to the frame by only the pivot pin 34.
  • the spring 36 biases the washer 38 towards the frame piece 30 and the ball 40 towards the die wheel 14.
  • the ball 40 is in registry with one of the seats 42, the ball projects into the seat to detent locate and hold the rotational position of the die wheel 14 relative to the upper frame part 18.
  • the present invention does not require a user to manually depress the pivot pin before the die wheel can be rotated.
  • mounting of the spring only requires the main pivot pin; not an additional mounting pin.
  • the ball can be positioned closer to the pivot pin, the more compact design allows the die wheel to have a fifth die groove (crimping area) whereas the prior art tool only had four die grooves because of space and size limitations.
  • the close proximity of the crimping area to the main pivot pin 24 provides the benefit of higher available crimping force on a connector located between the dies 14, 16 or lower handle force during crimping.
  • the lower die 16 is stationarily connected to the lower frame part 20 by a pin 52.
  • the lower die 16 is located generally opposite the die wheel 14 for crimping a connector between the two dies.
  • the lower die 16 generally comprises a bottom section 54, a top section 56, two laterally extending support sections 58a, 58b, and two laterally extending rear support sections 60a, 60b.
  • the lower frame part 20 has two sections 62, 64.
  • the bottom section 54 of the lower die 16 is located between the two sections 62, 64.
  • the bottom section 54 has a hole 66 which receives the pin 52.
  • the top section 56 of the lower die 16 has crimping surfaces 68 which contact the connector being crimped.
  • the two laterally extending support sections 58a, 58b are essentially mirror images of each other, but extend from opposite sides of the die.
  • Each section 58a, 58b has a bottom surface 70 which rests against the edge of the lower frame part sections 62, 64 which face in the direct towards the die wheel 14 during crimping. These surfaces 70 help to transfer forces incurred during crimping through the die 16 to the lower frame part 20 other than merely through the pin 52.
  • Each rear support section 60a, 60b has a lower surface 72 and a rear surface 74. These surfaces 72, 74 also help to transfer forces to the lower frame part 20 that occur during crimping. In alternate embodiments the lower die could have alternative or additional support or force transfer means.
  • the support sections 58a, 58b, 60a, 60b generally increase the strength of the stationary die 16 to withstand crimping forces without breaking.
  • the crimp axis A is arranged at an angle.
  • crimping forces because of the angled crimp axis A, are divided into forces against surfaces 66, 70, 72 and forces against surfaces 74. This division or distribution of crimping forces reduces stress on the stationary die 16 in the direction B by transferring some force to direction C (see Fig. 4).
  • the distance D between the main pivot 24 and the pivot pin 34 is reduced to increase the mechanical advantage of the tool's handles to decrease handle force required for crimping and increase the range of connectors that can be crimped with increased force.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Drilling And Boring (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
EP00870104A 1999-05-13 2000-05-10 Matrice cooperante pour outil avec une roue matrice rotative Withdrawn EP1053832A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US311230 1994-09-23
US31123099A 1999-05-13 1999-05-13
US09/311,814 US6109088A (en) 1999-05-13 1999-05-13 Cooperating die for crimping tool having a rotatable die wheel
US311814 1999-05-13

Publications (2)

Publication Number Publication Date
EP1053832A2 true EP1053832A2 (fr) 2000-11-22
EP1053832A3 EP1053832A3 (fr) 2003-05-28

Family

ID=26977797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00870104A Withdrawn EP1053832A3 (fr) 1999-05-13 2000-05-10 Matrice cooperante pour outil avec une roue matrice rotative

Country Status (6)

Country Link
EP (1) EP1053832A3 (fr)
JP (1) JP2000357576A (fr)
BR (1) BR0002191A (fr)
CA (1) CA2307946A1 (fr)
MX (1) MXPA00004503A (fr)
TW (1) TW449536B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100456574C (zh) * 2002-11-16 2009-01-28 威德米勒界面有限公司及两合公司 压紧夹钳
CN110507039A (zh) * 2018-05-21 2019-11-29 上海吉田拉链有限公司 拉链用拉头安装装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3324702A (en) * 1965-01-19 1967-06-13 Burndy Corp Damped compression tool
AU7800387A (en) * 1986-07-16 1988-02-10 Amphenol Corporation Crimp tool and dies therefor for use in attaching fiber optic cable to fiber optic connectors
US5012666A (en) * 1989-07-24 1991-05-07 Chen Ching Wen Crimp tool with adjustable jaw
US4926685A (en) * 1989-09-19 1990-05-22 Shannon Sr John K Adjustable crimping tool
US5211050A (en) * 1991-10-11 1993-05-18 Burndy Corporation Detent mechanism for controlling position of rotatable die

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100456574C (zh) * 2002-11-16 2009-01-28 威德米勒界面有限公司及两合公司 压紧夹钳
CN110507039A (zh) * 2018-05-21 2019-11-29 上海吉田拉链有限公司 拉链用拉头安装装置
CN110507039B (zh) * 2018-05-21 2022-04-26 上海吉田拉链有限公司 拉链用拉头安装装置

Also Published As

Publication number Publication date
JP2000357576A (ja) 2000-12-26
BR0002191A (pt) 2001-01-02
TW449536B (en) 2001-08-11
MXPA00004503A (es) 2002-03-08
CA2307946A1 (fr) 2000-11-13
EP1053832A3 (fr) 2003-05-28

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