WO2017158317A1 - Dispositif de pince - Google Patents

Dispositif de pince Download PDF

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Publication number
WO2017158317A1
WO2017158317A1 PCT/GB2017/050441 GB2017050441W WO2017158317A1 WO 2017158317 A1 WO2017158317 A1 WO 2017158317A1 GB 2017050441 W GB2017050441 W GB 2017050441W WO 2017158317 A1 WO2017158317 A1 WO 2017158317A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable
clamp device
clamp
clamp body
cable retaining
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.)
Ceased
Application number
PCT/GB2017/050441
Other languages
English (en)
Inventor
Rolly WHATTON
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.)
Haygrove Ltd
Original Assignee
Haygrove Ltd
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 Haygrove Ltd filed Critical Haygrove Ltd
Publication of WO2017158317A1 publication Critical patent/WO2017158317A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
    • F16G11/02—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with parts deformable to grip the cable or cables; Fastening means which engage a sleeve or the like fixed on the cable
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/065—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using screw-thread elements
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/12—Supports for plants; Trellis for strawberries or the like
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • 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
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
    • F16G11/06—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with laterally-arranged screws

Definitions

  • This invention relates to a clamp device, and in particular to a cable clamp device for use in clamping cables, wires or the like to parts of a structure of a polytunnel or to a similar temporary structure.
  • One form of polytunnel structure in common use comprises rows of upstanding legs and a series of cover support members, each being supported between a leg of one of the rows and a corresponding leg of an adjacent one of the rows.
  • a cover material is supported by the cover support members, and is anchored in position using ropes or straps that extend over the cover and that are secured to, for example, fittings associated with the legs.
  • cables Cables or wires or the like (referred to hereinafter as cables) are often provided in such structures, the cables being clamped to, and interconnecting, the legs and/or cover support members, or to other parts of the structure.
  • the cables or wires may serve to enhance the rigidity of the structure, or they may be used to secure other equipment used in the structure in position or as a support for crops growing within the structure.
  • a typical clamp device used in this type of application comprises a clamp member shaped to substantially encircle a part of the polytunnel structure, the member including projecting lips provided with substantially aligned openings through which a threaded bolt can be passed, tightening of a nut onto the bolt compressing the clamp member so as to reduce the diameter thereof so that the clamp member is firmly clamped onto the part of the polytunnel structure.
  • the clamp member is formed with a pair of openings through which the cable to be clamped is threaded prior to securing of the clamp member to the said part of the polytunnel structure.
  • clamp device Whilst the aforedescribed clamp device operates satisfactorily in clamping a single cable to part of the polytunnel structure, there are circumstances in which two cables which extend substantially perpendicularly to one another need to be clamped to part of the polytunnel structure at substantially the same position. It is an object of the invention to provide a clamp device suitable for use in such an application.
  • a clamp device comprising a clamp body shaped to substantially encircle a part to which the clamp device is to be secured, in use, the clamp body defining a pair of lips provided with openings which substantially align with one another, a threaded member extending through the substantially aligned openings, a first cable retaining feature formed in the clamp body, a second cable retaining feature formed in the clamp body and positioned such that a cable extending between the first and second cable retaining features extends in a first direction, and a third cable retaining feature formed in the clamp body and positioned such that a cable extending between the first cable retaining feature and the third cable retaining feature extends in a second direction angled to the first direction.
  • the first, second and third cable retaining features conveniently comprise openings formed in the clamp body. However, it will be appreciated that they could alternatively comprise slots or channels formed therein.
  • first and second directions are substantially perpendicular to one another.
  • the clamp body may be shaped to substantially encircle a part of substantially circular cross sectional shape. Alternatively, it may be shaped to substantially encircle a part of, for example, oval form including a pair of flat side walls. It will be appreciated, however, that this does not represent an exhaustive list of the shapes of part with which the clamp device may be used.
  • the cable openings may be of circular shape. Alternatively, they may be of oval shape, or of another shape.
  • the cable openings may all be of the same shape, or may be of a mix of shapes. Likewise, they may all be of the same size or may be of a mix of sizes.
  • the invention further relates to a polytunnel structure comprising legs and cover support members supported by the legs, cables extending between the legs and/or cover support members and/or other parts of the polytunnel structure, and at least one clamp device of the type defined hereinbefore securing the cables to the legs and/or cover support members and/or other parts of the polytunnel structure.
  • Figure 1 is a diagrammatic view illustrating a clamp device in accordance with an embodiment of the invention, in use
  • Figure 2 is an exploded view illustrating the clamp device of Figure 1;
  • FIGS 3 to 5 illustrate alternative clamp devices in accordance with embodiments of the invention.
  • a clamp device 10 is illustrated, the clamp device 10 being used to secure a first cable 12 and a second cable 14 to a part 16 of a polytunnel structure.
  • the expression 'cable' is used to denote cables, wires or similar elongate components.
  • the part 16 may comprise a leg or a cover support member of the polytunnel structure.
  • the clamp device 10 may be used in securing cables to other parts of a polytunnel structure without departing from the scope of the invention.
  • the cables 12, 14 may take the form of tensioning cables used to enhance the rigidity of the structure. It will be appreciated, however, that the cables may be employed for other purposes.
  • the part 16, in the embodiment illustrated, is of generally circular cross sectional shape.
  • the clamp device 10 comprises a clamp body 18 taking the form of a length of a steel or other suitable strong, resilient material strip that is bent or formed to define a region 18a of substantially circular shape and a pair of lips 20 that lie substantially adjacent one another.
  • the lips 20 are formed with openings 22 which substantially align with one another.
  • a threaded bolt 24 extends through the substantially aligned openings 22, a nut 26 cooperating with the bolt 24 and being arranged such that tightening of the nut 26 and bolt 24 results in the lips 20 being urged or forced towards one another, reducing the diameter of the substantially circular region 18a to clamp the device 10 around and onto the part 16.
  • the openings 22 need not be of circular shape and may be arranged to cooperate with part of the bolt 24 in such a manner as to resist rotation of the bolt 24.
  • the clamp body 18 is formed with first, second and third cable openings 28, 30, 32.
  • Each cable opening 28, 30, 32 is of dimensions sufficient to allow a cable 12, 14 to extend therethrough.
  • the first and second cable openings 28, 30 are positioned relative to one another such that the first cable 12, which is threaded through the first and second openings 28, 30 extends in a first direction.
  • the first and third cable openings 28, 32 are positioned relative to one another such that the second cable 14, which is threaded through the first and third openings 28, 32 extends in a second direction angled to the first direction.
  • the first and second directions are substantially perpendicular to one another.
  • the invention is not restricted in this regard and the positions of the openings may be modified so as to allow the clamp device to be used in applications in which the cables are required to extend at other angles relative to one another.
  • the cables 12, 14 are threaded through the respective pairs of the cable openings 28, 30, 32.
  • the clamp device 10 is fitted to the part 16 by applying a force to the clamp body 18 to expand the diameter of the region 18a until a point is reach at which the part 16 can be introduced between the lips 20. Once fully introduced into the void defied by the region 18a, the inherent resilience of the clamp body 18 will bring the lips 20 close to one another.
  • the bolt 24 is then introduced through the openings 22, and the nut 26 brought into engagement with the threads of the bolt 24, the nut 26 being tightened onto the bolt 24 to draw the lips 20 towards one another, thereby clamping the clamp body 18 to the part 16, and clamping parts of the cables 12, 14 between the clamp body 18 and the part 16, thereby firmly securing the cables 12, 14 to the part 16. It will be appreciated that, in this manner, the two cables 12, 14 are both secured to the part 16 at substantially the same location.
  • Figures 1 and 2 illustrate an arrangement in which the cable openings 28, 30, 32 are all of circular shape, this need not be the case, and Figure 3 illustrates an arrangement in which oval shaped openings 28a, 30a, 32a are provided.
  • oval shaped openings may allow the invention to be used in applications in which the cables 12, 14 extend in directions that are not perpendicular to the axis of the part 16.
  • certain of the cable openings may be circular and others of oval form. In other arrangements, the openings may be of different sizes.
  • Figures 4 and 5 illustrate other modifications, wherein the clamp device 10 may be used with parts 16 of other cross sectional shapes, by way of example of oval cross section shape, having flat sides. It will be appreciated that the invention is also applicable to parts of other cross sectional shapes. Whilst the embodiments described hereinbefore incorporate cable openings through which the cables extend, other forms of cable retaining feature may be provided. For example, the cable retaining features could comprise grooves or slots formed in the clamp body.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Clamps And Clips (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

L'invention concerne un dispositif de pince qui comprend un corps de pince (18) formé de manière à sensiblement encercler une partie (16) sur laquelle le dispositif de pince doit être fixé, lors de l'utilisation, le corps de pince (18) définissant une paire de rebords (20) comportant des ouvertures (22) qui s'alignent sensiblement les unes avec les autres, un élément fileté (24) s'étendant à travers les ouvertures sensiblement alignées (22), un premier élément de retenue de câble (28) formé dans le corps de pince (18), un deuxième élément de retenue de câble (30) formé dans le corps de pince (18) et positionné de telle sorte qu'un câble (12) s'étendant entre les premier et deuxième éléments de retenue de câble (28, 30) s'étend dans une première direction, et un troisième élément de retenue de câble (32) formé dans le corps de pince (18) et positionné de telle sorte qu'un câble (14) s'étendant entre le premier élément de retenue de câble (28) et le troisième élément de retenue de câble (32) s'étend dans une seconde direction inclinée par rapport à la première direction.
PCT/GB2017/050441 2016-03-15 2017-02-21 Dispositif de pince Ceased WO2017158317A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1604382.0 2016-03-15
GB1604382.0A GB2548365A (en) 2016-03-15 2016-03-15 Clamp device

Publications (1)

Publication Number Publication Date
WO2017158317A1 true WO2017158317A1 (fr) 2017-09-21

Family

ID=55952331

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2017/050441 Ceased WO2017158317A1 (fr) 2016-03-15 2017-02-21 Dispositif de pince

Country Status (2)

Country Link
GB (1) GB2548365A (fr)
WO (1) WO2017158317A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US800283A (en) * 1905-05-25 1905-09-26 James J Ferrer Fence.
US1088310A (en) * 1913-02-25 1914-02-24 Michael D Welsh Fence-post.
FR2192628A5 (fr) * 1972-07-10 1974-02-08 Caillau Ets
DE2449919A1 (de) * 1973-10-23 1975-04-30 Bekaert Sa Nv Spannvorrichtung
IL93870A (en) * 1990-03-23 1992-09-06 Peleg Alexander Cable clamping arrangement
US20150119199A1 (en) * 2013-10-28 2015-04-30 Landscape Structures Inc. Rope clamp system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015167346A1 (fr) * 2014-05-02 2015-11-05 Rolling Stone Cleaning Co Limited Support de plante

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US800283A (en) * 1905-05-25 1905-09-26 James J Ferrer Fence.
US1088310A (en) * 1913-02-25 1914-02-24 Michael D Welsh Fence-post.
FR2192628A5 (fr) * 1972-07-10 1974-02-08 Caillau Ets
DE2449919A1 (de) * 1973-10-23 1975-04-30 Bekaert Sa Nv Spannvorrichtung
IL93870A (en) * 1990-03-23 1992-09-06 Peleg Alexander Cable clamping arrangement
US20150119199A1 (en) * 2013-10-28 2015-04-30 Landscape Structures Inc. Rope clamp system

Also Published As

Publication number Publication date
GB201604382D0 (en) 2016-04-27
GB2548365A (en) 2017-09-20

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