WO2018140114A1 - Clip de retenue avec élément anti-rotation - Google Patents

Clip de retenue avec élément anti-rotation Download PDF

Info

Publication number
WO2018140114A1
WO2018140114A1 PCT/US2017/061519 US2017061519W WO2018140114A1 WO 2018140114 A1 WO2018140114 A1 WO 2018140114A1 US 2017061519 W US2017061519 W US 2017061519W WO 2018140114 A1 WO2018140114 A1 WO 2018140114A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
protrusion
fastener opening
retention clip
lower plate
Prior art date
Application number
PCT/US2017/061519
Other languages
English (en)
Inventor
Tyler R. BAECHTLE
Kuldeep Kumar PATRO GOURI
Alan G. STRANDBURG, III
Matthew D. MISIASZEK
Original Assignee
Cummins Inc.
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 Cummins Inc. filed Critical Cummins Inc.
Publication of WO2018140114A1 publication Critical patent/WO2018140114A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/30—Installations of cables or lines on walls, floors or ceilings
    • H02G3/32—Installations of cables or lines on walls, floors or ceilings using mounting clamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/12—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
    • F16L3/123—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing and extending along the attachment surface
    • F16L3/1233—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing and extending along the attachment surface the member being of metal, with or without an other layer of other material

Definitions

  • the present invention relates generally to retention clips and more particularly to a retention clip having a plurality of tabs protruding from a lower plate of the retention clip to engage a mounting surface and inhibit rotational movement of the retention clip.
  • Retention clips also referred to as "P-clips" because their shape resembles the letter “P,” are commonly used in many applications to secure an object in a mounting location.
  • retention clips are commonly used to secure wiring harnesses in a desired location on an engine or other mounting surface.
  • retention clips are mounted to objects by placing a fastener through an opening in the retention clip and an opening in a separate anti-rotation washer, then threading the fastener into a mounting bore formed in the object. This requires the installer to handle the retention clip, the washer and the fastener while aligning the fastener with the bore and orienting the retention clip in a desired position.
  • the present disclosure provides a retention clip, comprising: an upper plate having an upper fastener opening; an intermediate segment depending from the upper plate and having a loop portion for receiving an object to be retained; and a lower plate depending from the intermediate segment and having at least one protrusion extending therefrom and a lower fastener opening; wherein the upper plate is substantially parallel to the lower plate and aligned such that the upper fastener opening registers with the lower fastener opening; and wherein the at least one protrusion projects from the lower plate away from the upper plate to engage a surface of an object to which the retention clip is mounted and inhibits rotation of the retention clip.
  • the upper plate further comprises an alignment protrusion extending therefrom into a gap adjacent the at least one protrusion of the lower plate to inhibit movement of the upper plate relative to the lower plate.
  • the at least one protrusion comprises a plurality of protrusions, each of the plurality of protrusions including a connected end which is connected to the lower plate and a protruding end which is spaced away from the lower plate.
  • the connected end of each of the plurality of protrusions is disposed adjacent a protruding end of an adjacent protrusion.
  • the connected end of each of the plurality of protrusions is disposed adjacent a connected end of an adjacent protrusion.
  • the intermediate segment further comprises a protective layer disposed on the loop portion to inhibit damage to the object to be retained.
  • the protective layer is formed of rubber or plastic dried onto the loop portion.
  • the protective layer is a sleeve.
  • the upper fastener opening is formed adjacent a curved distal end of the upper plate and the lower fastener opening is formed adjacent a curved distal end of the lower plate.
  • the intermediate segment includes an extension portion depending from the loop portion, a first transition portion depending from the extension portion, and a second transition portion depending from the extension portion.
  • the at least one protrusion comprises a plurality of protrusions, at least one of the plurality of protrusions being disposed along a distal end of the lower plate, adjacent the lower fastener opening.
  • the at least one protrusion is one of a tab, a dimple or a ridge.
  • a method of forming a retention clip comprising: forming an upper fastener opening through one end of an elongated plate; forming a lower fastener opening through another end of the elongated plate; forming a plurality of protrusions adjacent the lower fastener opening; each protrusion having a connected end which is connected to the elongated plate and a protruding end which is spaced away from the elongated plate; bending the one end of the elongated plate to form an upper plate including the upper fastener opening; bending the other end of the elongated plate to form a lower plate including the lower fastener opening; bending the upper plate onto the lower plate such that the upper fastener opening registers with the lower fastener opening, the plurality of protrusions project away from the upper plate, and a loop portion is formed for receiving an object to be retained.
  • One aspect of this embodiment further comprises forming an alignment protrusion in the one end of the elongated plate, wherein bending the upper plate onto the lower plate comprises extending the alignment protrusion into a gap adjacent one of the plurality of protrusions to inhibit movement of the upper plate relative to the lower plate.
  • forming a plurality of protrusions comprises forming the connected end of each protrusion adjacent a protruding end of an adjacent protrusion.
  • Another aspect further comprises installing a protective layer on the loop portion to inhibit damage to the object to be retained.
  • installing a protective layer comprises one of dipping the loop portion into a material and allowing the material to dry or placing a sleeve on the loop portion.
  • the present disclosure provides an assembly for attaching an object to a mounting surface, comprising: a retention clip, comprising: an upper plate having an upper fastener opening; an intermediate segment depending from the upper plate and having a loop portion for receiving the object; and a lower plate depending from the intermediate segment and having at least one protrusion extending therefrom and a lower fastener opening; wherein the upper plate is substantially parallel to the lower plate and aligned such that the upper fastener opening registers with the lower fastener opening; and wherein the at least one protrusion projects from the lower plate away from the upper plate to engage the mounting surface and inhibit rotation of the retention clip; and a fastener configured to extend through the upper fastener opening and the lower fastener opening into a bore formed in the mounting surface.
  • the upper plate further comprises an alignment protrusion extending therefrom into a gap adjacent the at least one protrusion of the lower plate to inhibit movement of the upper plate relative to the lower plate.
  • the at least one protrusion comprises a plurality of protrusions, each of the plurality of protrusions including a connected end which is connected to the lower plate and a protruding end which is spaced away from the lower plate.
  • FIG. 1 is a perspective view of a retention clip according to one embodiment of the present disclosure in an intermediate stage of manufacturing
  • FIGs. 2 and 3 are perspective views of the retention clip of FIG. 1 in its final form
  • FIG. 4 is a side elevational view of the retention clip of FIG. 1 in its final form
  • FIG. 5 is a side elevational view of the retention clip of FIG. 1 being mounted to an object
  • FIG. 6 is a perspective view of a portion of a die for forming the retention clip of FIG. 1 ;
  • FIG. 7 A is a side elevational view of a retention clip according to another embodiment of the present disclosure;
  • FIG. 7B is a bottom plan view of the retention clip of FIG. 7A.
  • FIGs 8 and 9 are perspective views of a retention clip according to yet another embodiment of the present disclosure.
  • clip 10 may be formed from a flat sheet of metal or other suitable material using a punch-press or stamping process as is discussed further below.
  • clip 10 After initial formation, as shown in FIG. 1 , clip 10 generally includes an upper plate 12, an intermediate segment 14 and a lower plate 16. In the state depicted in FIG. 1 , upper plate 12, intermediate segment 14 and lower plate 16 are substantially co-planar.
  • Upper plate 12 includes a body 18 having a curved distal end 20 and defining a fastener opening 22.
  • Upper plate 12 further includes an alignment tab 24 that may be punched out of body 18, but remain connected to body 18 at one end, as is further described below. It should be
  • alignment tab 24 may be omitted in certain embodiments. While alignment tab is depicted and described as a "tab,” it should be understood that other structural features may be used to cooperate with structure on lower plate 16 to inhibit relative movement of the plates.
  • alignment tab 24 may be a dimple or ridge and lower plate 16 may include a corresponding detent or groove to receive the dimple or ridge, or vise-versa. Any other suitable structure may be used.
  • Intermediate segment 14 includes a first transition portion 26, an extension portion 28, a loop portion 30 and a second transition portion 32. The various portions of intermediate segment 14 are indicated in FIG. 1 by lines showing where bends start and end.
  • Lower plate 16 includes a body 34 having a curved distal end 36 and defining a fastener opening 38.
  • Lower plate 16 further includes a plurality of anti- rotation tabs 40A-F that may be punched out of body 34, but remain connected to body 34 at one end, as is further described below.
  • tabs 40A-F are shown, but it should be understood that more or fewer tabs, even a single tab, may be used in alternative embodiments.
  • tab 40A is positioned in body 34 such that it aligns with alignment tab 24 when clip 10 is in its final form (FIGs. 2-4).
  • tab 40A has a larger width than tabs 40B- F.
  • Tabs 40B and 40F are formed in body 34 and spaced apart from distal end 36.
  • Tabs 40C-E are formed along distal end 36, as is further described herein.
  • tabs 40A-F protrude outwardly from body 34 in a uniform direction such that a connected end 42 (see FIG. 2) of one tab is adjacent a protruding end 44 (see FIG. 2) of one adjacent tab and the protruding end 44 of the one tab is adjacent a connected end 42 of another adjacent tab.
  • a connected end 42 see FIG. 2
  • a protruding end 44 see FIG. 2
  • the protruding end 44 of the one tab is adjacent a connected end 42 of another adjacent tab.
  • each tab 40A-F is disposed before a protruding end 44 of each tab 40A-F or, depending in part of the tightening rotation of a fastener (not shown) extending through openings 22, 38, a connected end 42 of each tab 40A-F is disposed after a protruding end 44 of each tab 40A-F.
  • tabs 40A-F may protrude from body 34 in alternate directions or in some other configuration. As best shown in FIG. 2, the formation of each tab 40A-F creates a gap 46 adjacent the tab 40A-F.
  • tabs may be used instead of tabs. While structures are referred to as “tabs” or “protrusions” herein, any suitable structure that engages the surface to which clip 10 is mounted to inhibit rotational movement may be used, for example, dimples, ridges, punched holes, etc.
  • clip 10 is shown in its final form.
  • Clip 10 may be bent in a variety of different ways to form the configuration of FIGs. 2-4.
  • a strip of material is fed into a multiple station progressive
  • loop portion 30 is bent into a substantially cylindrical shape having a central opening 48. Loop portion 30 is depicted with a protective layer 50. Layer 50 may be formed by dipping clip 10 into a liquid material such as rubber, plastic, or some other suitable material, then allowing the material to dry on loop portion 30.
  • layer 50 may be formed like a sleeve (i.e., an elastomeric strip), and slid onto loop portion 30 prior to the bending of clip 10.
  • a sleeve i.e., an elastomeric strip
  • Other methods of providing protective layer 50 may be employed, for example, a slit sleeve may be attached to loop portion 30 after clip 10 has been formed.
  • protective layer 50 is configured to inhibit damage to the object (e.g., a wiring harness) being retained by clip 10.
  • a slight bend is formed at second transition portion 32 such that lower plate 16 is substantially parallel with and closely adjacent to (if not in contact with) upper plate 12.
  • Fastener openings 22 and 38 of FIG. 1 are aligned, together forming fastener opening 52.
  • alignment tab 24 of upper plate 12 aligns with and extends into the gap 46 created when tab 40A is formed.
  • the cooperation between alignment tab 24 and gap 46 adjacent tab 40A maintains the relative positioning of upper plate 12 and lower plate 16 and inhibits lateral or twisting movement in the directions indicated by arrow 54 (FIGs. 2 and 3).
  • FIG. 5 depicts clip 10 mounted to an object 56 using a fastener 58.
  • fastener 58 is a threaded bolt that is threaded into a corresponding bore formed in object 56, although other fasteners may be used.
  • fastener 58 is further tightened into object 56, tabs 40A-40F are compressed between lower plate 16 and the upper surface 60 of object 56.
  • tabs 40A-F engage and partially embed into upper surface 60, thereby inhibiting rotational movement (i.e., about the longitudinal axis 62 of fastener 58) of clip 10.
  • die 64 includes a body 66 having an upper surface 68.
  • a plurality of wedge shaped protrusions 70A-F extend from upper surface 68 in an arrangement and size corresponding to tabs 40A-F.
  • Body 66 further includes a central opening 72.
  • die 64 may be used to form lower plate 16, including tabs 40A-F, fastener opening 38 and distal end 36.
  • Retention clip 100 shares common components with retention clip 10, and the common components use the same reference numbers increased by 100.
  • clip 100 generally includes an upper plate 1 12, an intermediate segment 1 14 and a lower plate 1 16 bent or otherwise processed to form a clip that is generally the same shape as clip 10 of FIGs. 2-4.
  • Clip 100 includes eight tabs 140A-H disposed along the perimeter of fastener opening 152 instead of six tabs disposed along the distal end 36 of clip 10.
  • Clip 100 also includes an opening 153 that extends through upper plate 1 12 and lower plate 1 16. Opening 153 may be used by a supplier to connect retention clip 100 to a wire harness at a specific location by passing a wire tie through opening 153 and connecting the wire tie to the wire harness.
  • FIGs. 8 and 9 depict another embodiment of a retention clip according to the present disclosure.
  • Retention clip 200 shares common components with retention clip 10, and the common components use the same reference numbers increased by 200.
  • clip 200 generally includes an upper plate 212, an intermediate segment 214 and a lower plate 216 bent or otherwise processed to form a clip that is general the same shape as clip 10.
  • Clip 200 includes two rows of punch-outs
  • Punch-outs 215 are formed by piercing lower plate 216 from the upper surface as shown in FIG. 8. Material from the piercing protrudes from the lower surface of lower plate 216 as shown in FIG. 9, thereby providing the anti-rotation feature for the clip 200.
  • Clip 200 also differs from the previously described clips in that the alignment feature is formed along the ends of upper plate 212 and lower plate 216. Specifically, upper plate 212 includes a tab 217 extending from its end 219. Lower plate
  • 216 includes an upturned end 221 having a notch 223 formed therein.
  • tab 217 is situated within notch 223 and upturned ends 221 prevent side to side movement of tab 217, thereby maintaining upper plate 212 in alignment with lower plate 216.
  • references to "one embodiment,” “an embodiment,” “an example embodiment,” etc. indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art with the benefit of the present disclosure to affect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described. After reading the description, it will be apparent to one skilled in the relevant art(s) how to implement the disclosure in alternative embodiments.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

La présente invention concerne un clip de retenue, comprenant : une plaque supérieure ayant une ouverture de fixation supérieure ; un segment intermédiaire dépendant de la plaque supérieure et ayant une partie de boucle pour recevoir un objet à retenir ; et une plaque inférieure dépendant du segment intermédiaire et ayant au moins une saillie s'étendant à partir de celui-ci et une ouverture de fixation inférieure ; la plaque supérieure étant sensiblement parallèle à la plaque inférieure et alignée de telle sorte que l'ouverture de fixation supérieure s'aligne avec l'ouverture de fixation inférieure ; et ladite au moins une saillie faisant saillie de la plaque inférieure à l'opposé de la plaque supérieure pour venir en prise avec une surface d'un objet auquel le clip de retenue est monté et empêche la rotation du clip de retenue.
PCT/US2017/061519 2017-01-26 2017-11-14 Clip de retenue avec élément anti-rotation WO2018140114A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762450626P 2017-01-26 2017-01-26
US62/450,626 2017-01-26

Publications (1)

Publication Number Publication Date
WO2018140114A1 true WO2018140114A1 (fr) 2018-08-02

Family

ID=62979695

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2017/061519 WO2018140114A1 (fr) 2017-01-26 2017-11-14 Clip de retenue avec élément anti-rotation

Country Status (1)

Country Link
WO (1) WO2018140114A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2338006A (en) * 1942-11-02 1943-12-28 Adel Prec Products Corp Supporting clip for conduits
US4455715A (en) * 1981-08-27 1984-06-26 Kitagawa Industries Co., Ltd. Cable clamp
US6311935B1 (en) * 1999-07-07 2001-11-06 Heyco Products, Inc. Cable clamp
US6443403B1 (en) * 2000-09-11 2002-09-03 Panduit Corp. Cable routing clamp and method of application
US20090031538A1 (en) * 2004-07-29 2009-02-05 Ralf Reichel Hose clamp
US20160097413A1 (en) * 2014-10-03 2016-04-07 Adelwiggins Group Tucked Cushion Clamp and Process of Making a Tucked Cushion Clamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2338006A (en) * 1942-11-02 1943-12-28 Adel Prec Products Corp Supporting clip for conduits
US4455715A (en) * 1981-08-27 1984-06-26 Kitagawa Industries Co., Ltd. Cable clamp
US6311935B1 (en) * 1999-07-07 2001-11-06 Heyco Products, Inc. Cable clamp
US6443403B1 (en) * 2000-09-11 2002-09-03 Panduit Corp. Cable routing clamp and method of application
US20090031538A1 (en) * 2004-07-29 2009-02-05 Ralf Reichel Hose clamp
US20160097413A1 (en) * 2014-10-03 2016-04-07 Adelwiggins Group Tucked Cushion Clamp and Process of Making a Tucked Cushion Clamp

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