US2112281A - Grip for manila rope and the like - Google Patents

Grip for manila rope and the like Download PDF

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Publication number
US2112281A
US2112281A US77647A US7764736A US2112281A US 2112281 A US2112281 A US 2112281A US 77647 A US77647 A US 77647A US 7764736 A US7764736 A US 7764736A US 2112281 A US2112281 A US 2112281A
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US
United States
Prior art keywords
rope
grip
strands
ber
manila
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.)
Expired - Lifetime
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US77647A
Inventor
Robert G Ferris
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Starline Inc
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Starline Inc
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Filing date
Publication date
Application filed by Starline Inc filed Critical Starline Inc
Priority to US77647A priority Critical patent/US2112281A/en
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Publication of US2112281A publication Critical patent/US2112281A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16GBELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
    • F16G11/04Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with wedging action, e.g. friction clamps
    • F16G11/05Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with wedging action, e.g. friction clamps by using conical plugs insertable between the strands
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16GBELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
    • F16G11/03Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes incorporating resiliently-mounted members for attachment of the cable end
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/53991Work gripper, anvil, or element
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/70Interfitted members
    • Y10T403/7062Clamped members

Description

March 29, 1938. R. G. FERRls GRIP FOR MANILA ROPE AND TH'E LIKE Filed May 2, 1936 f/amn Patented Mar. 29, 1938 mbertalferrlanarvrndllhauignor line Inc., noia testara corporation o! Ilii- .Awucannn any/z. ma, sans Na. 11,041 s unimi. l(ci. .e4-m) This is an improvement in rope lllp. W-
ticularly those 4on hay carriers like that shown lli Ferris Patent No. y1,759,549,granted May 20,
".1930, wherein there is a short section oi' steel [rope or cable connected at one vemi to the carrier, vand at. the other to the manila or other fiber rope.
An object of this invention is to provide a conneetion between the steel cable andthe maniia rope which is flexible so as to pass readily around' the sheavesr of the carrier and which firmly grips the fiber rope without injury thereto.
' This and other objects, as will hereinafter ap- .f pear, are accomplished by this invention which is fully described in the following speciiication and shown in the accompanying drawing, in which- Figure 1 is a side elevation oi the end of a manila rope having the rope grip oi this invention applied thereto;
Fig. 2 is an enlarged elevation of the rope grip removed;
Fig. 3 is an enlarged seetionon the line 3 3 of Fig. 1;
Fig. 4 ls a view similar to Fig. 2 showing a modified form of the rope grip;
Fig. 5 is a view similar to Fig. 4 showing the end of still another modiiled form oi anchoring device for the rope grip;
Fig. 6 is a view similar to Fig. 3 showing another form of anchor;
Fig. '7 is aview similar to Fig. 1 showing a modiiled form of grip connecting two'abutting rope ends; and
Fig. 8 is still another modiiied form of rope grip- The 'embodiment shown in Figs. 1, 2 and 3 comprises a rope grip A applied to a manila rope B, The rope grip consisting of a flexible braided tubular structure, as shown in Fig. 2, consists of strands I0 each made up oi' a number of wires twisted together to form a rope of steel, brass. or the like interwoven with similar ropes I I running in the opposite direction, These ropes having their beginning at the bottom of Fig. 2 pass up and are braided, as shown, or bent to form the loop I2, and on their return are interwoven with the opposite ends of the strands and terminate at the bottom of Fig. 2.
' One of the strands I0 is then twisted with one of the strands II at the bottom to i'orm a pig tail" I3 which preferably has an enlarged end Il, whichv in this case may be a drop oi solder. To assist in keeping the strands of the loop I2 together ythey may be soldered at Il. or they may be held by meansofabandwhichispassed around the several strands and secured thereto as by means o! solder.
In use the free end BL of the manila rope may be passed upwardly through the Atubular grip which is enlarged by pressing the ends toward 5 each other after the manila rope has been carried well up toward the loop I2, the rope grip is pulled down so as to press it firmly against the manila rope. When the lower end oi' the rope grip is reached, the pig. tails Ilmay be forced through between the strands forming the rope as shown in Fig. 1. The hold which the strands oi the rope thus have upon these pig tails is not relatively very great, but it is suiilcienttn hold these pig tails thereby "snubbing them. so that when a strong pull comes on the loop I2 the flexible grip will close in about the manila rope so as to iirmly grip the same.
To the loop I2 is secured a steel rope or cable 41, corresponding to the cable 41 of the patent, having an eye 48 connected directly to the loop or (as shown) by means of a link 49. This grip has proved to be very satisfactory in use. By carrying the fiber rope well up into the loop I2 the loop has no tendency to twist in use which is very necessary to prevent breakage of the strands forming the loop.
f In Fig. 4 the strands of wire rope I6 start at the loop I1, run diagonally to the bottom of the grip and in returning at Il* in the reverse direction are interwoven with or braided into the opposite ends so as to form a similar grip, the lends I8 of the strands overlapping the ends I1 and being secured thereto as by means of solder )Il Pieces of wire or wire rope 20' are then looped through the lower ends of this rope grip and are twisted to form pig tails which, if desired, may have solder beads 2l at the lower ends to better enable the strands of manila rope to hold these "pig tails in the same way as has been shown in Fig. 1.
In Fig. 5 is shown still another modiiled form of anchor consisting of a flexible member 22 made ot wire or wire rope with its ends secured to the lower ends of a braided wire grip which may otherwise be the same as that shown in Fig. 4.
In Fig. 6 is still another modified form of anchor consisting of a staple 23 which passes through the lower end of the braided tubular portion of a wire grip like that oi Fig. 4, and having ends 23 which are bent back to nrmly lock the lower endl of the tubular rope grip to the manila rope. v
In\ Fig. 'l is shown a modiiled form oi the grip for seciu'ing together two abutting ends o1' manila ropesCandD. Inthiscasethe gripEissimilar to the grip A except that its two ends are like the lower end of the grip A and each is provided with pig tails I3* or the like for insertion between strands of the manila ropes in the way as isshown in Fig. l. It will be understood, however, that any oi' the other forms oi' anchoring devices shown and described may be used.
While this grip is shown as applied to the end of a rope, it may be used intermediate the ends of the rope, as shown in Fig. 8. In this form the grip F has pig tails I3 extending through the tilm rope G as before, while the opposite end of the grip F terminates in a ring H of rubber or the like having a core H' of fabric, metal rope or the like about which the metal cables or ropes F forming the grip are passed at their middle, after which the ends are wound in opposite directions about a common axis and braided, the ends then being wound together in pairs to form pig tails as in Fig. 2. It will be obvious that other variations of this forni' may be made.
The ring G can then be gripped in the same way as the cable eye 48 oi Ferris Patent No.
1,759,549 referred to above, the portion G of the ber rope extending to the left beyond the grip being attached Adirectly to the hay carrier so as to pass through the hay carrier and to replace the metal cable 41. This provides a much simpler hay carrier construction than that shown in the above patent.
Any of these grips may readily be removed by unloosing the anchoring means from the rope and sliding the braided grip along the manila rope toward its end, thereby causing the grip to expand when it will readily slide oft.
Thus it will be seen that a very simple and elcient form of rope grip is provided and one which is exible and adapts itself readily to the manila rope so that the latter can be bent around the inserted strands being enlarged to prevent their withdrawal through the rope.
2. A grip for securing together two abutting ends oi ber rope comprising a loose tubular braid composed of interwoven strands of metal rope in the form of a collapsible cylinder adapted to enclose the ends of the ropes, the ends oi' the strands being secured together in pairs andA of a length sulcient to enable them to pass between V strands oi' the ber rope to anchor the ends oi' the grip thereto so that an endwise pull will cause the grip to firmly hug the rope ends.
3. In combination, a ber rope, a. grip for ber rope comprising a loose tubular braid composed of interwoven strands of metal rope for enclosing the end of the ber rope, the ends of certain of the strands being secured together in pairs and of a length sufficient to enable them to pass between strands oi the ber rope to anchor the end of the grip thereto, the opposite ends of the grip forming a loop for enclosing the end of the ber rope, the loop being short and the end of the rope extending well up into the loop so as to hold the sides of the loop apartand prevent them from twisting about each other as the pull on the rope tends to cause it to unlay.
4. A grip for ber rope comprising a loose tubular braid composed oi interwoven strands oi metal rope for enclosing the end oi a ber rope, the ends of the strands being secured together in pairs of a length suicient to enable them to be inserted between strands of the ber rope to anchor the end of the grip thereto, and a ring adapted to surround the ber rope and to slide thereover, said ring being secured to the opposite end of the strands of the rope grip.
5. In combination, a ber rope, a tubular braid composed of interwoven strands of metal rope enclosing one end of a ber rope, the inner end of the grip having pigtails passing between the strands o! the ber rope and engaging the same for anchoring the end of the grip enclosing the ber rope to the same.
6. In combination, a ber rope, a grip for ber rope comprising a loose tubular braid composed of interwoven strands of metal rope in the form o! a hollow cylinder for enclosing a portion of the ber rope, and depending portions of the grip passing between the strands of the ber rope for anchoring the end of the grip enclosing the ber rope to the same.
ROBERT G. FERRIS.
US77647A 1936-05-02 1936-05-02 Grip for manila rope and the like Expired - Lifetime US2112281A (en)

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US77647A US2112281A (en) 1936-05-02 1936-05-02 Grip for manila rope and the like

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Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602207A (en) * 1949-01-18 1952-07-08 Kellems Company Cable grip
US2650400A (en) * 1950-02-01 1953-09-01 Kellems Company Interwoven mesh type cable grip
US2740178A (en) * 1951-05-26 1956-04-03 Kellems Company Cable luffing grips
US2936257A (en) * 1956-12-04 1960-05-10 Consolidation Coal Co Method and apparatus for splicing electrical mining cable
US4368910A (en) * 1980-12-08 1983-01-18 Harvey Hubbell Incorporated Grip for pulling fiber optic cable and method of inserting the cable into the grip
DE3122882A1 (en) * 1981-06-10 1983-01-20 Carl Stahl Gmbh & Co Seil & He Clamping rope for loader wagons
US4453291A (en) * 1982-06-21 1984-06-12 Harvey Hubbell Incorporated Grip for pulling fiber optic cable
US4600331A (en) * 1985-06-19 1986-07-15 Harvey Hubbell Incorporated Swivel coupling
US5038663A (en) * 1983-09-16 1991-08-13 Plummer Walter A Braided sleeving with pull cord
US5480203A (en) * 1994-01-18 1996-01-02 Hubbell Incorporated Pulling tool for pulling connectorized cable
US5655776A (en) * 1995-12-21 1997-08-12 Kaulfuerst; Julius O. Game ball goal assembly
US6629685B2 (en) 2001-03-16 2003-10-07 Roy E. Bowling Method and apparatus for pulling wire
US20090142132A1 (en) * 2007-11-30 2009-06-04 Klein Arnold G Flyline connecting device
US20100102286A1 (en) * 2008-10-23 2010-04-29 David Jordan Pulling jacket for use while installing wires in conduit
US20100258771A1 (en) * 2009-04-09 2010-10-14 White Christopher L Wire pull assembly
US20120071964A1 (en) * 2008-10-29 2012-03-22 Acandis Gmbh & Co., Kg. Medical implant and method for producing medical implant
DE102011109757A1 (en) * 2011-08-09 2013-02-14 Lipsticks Sportprodukte Gmbh Insertion aid for cables
US8959810B1 (en) 2011-10-28 2015-02-24 Polygroup Macau Limited (Bvi) Powered tree construction
US9179793B2 (en) 2012-05-08 2015-11-10 Willis Electric Co., Ltd. Modular tree with rotation-lock electrical connectors
US9220361B1 (en) 2013-12-03 2015-12-29 Willis Electric Co., Ltd. Dual-voltage lighted artificial tree
EP2855972A4 (en) * 2012-05-24 2016-01-06 Gregg Marine Inc Braided termination for fiber subsea umbilical line
US9441800B1 (en) 2011-12-09 2016-09-13 Willis Electric Co., Ltd. Modular lighted artificial tree
US9439528B2 (en) 2013-03-13 2016-09-13 Willis Electric Co., Ltd. Modular tree with locking trunk and locking electrical connectors
US9484687B1 (en) 2010-09-23 2016-11-01 Willis Electric Co., Ltd. Modular lighted tree
US9526286B2 (en) 2012-05-08 2016-12-27 Willis Electric Co., Ltd. Modular tree with electrical connector
US9572446B2 (en) 2012-05-08 2017-02-21 Willis Electric Co., Ltd. Modular tree with locking trunk and locking electrical connectors
US9664362B2 (en) 2011-11-14 2017-05-30 Willis Electric Co., Ltd. Lighted artificial tree with multi-terminal electrical connectors for power distribution and control
US9671074B2 (en) 2013-03-13 2017-06-06 Willis Electric Co., Ltd. Modular tree with trunk connectors
US9677749B2 (en) 2011-11-14 2017-06-13 Willis Electric Co., Ltd. Conformal power adapter for lighted artificial tree
US9839315B2 (en) 2015-03-27 2017-12-12 Polygroup Macau Limited (Bvi) Multi-wire quick assemble tree
US9844288B2 (en) 2009-12-31 2017-12-19 Polygroup Macau Limited (Bvi) Connector system
US9883566B1 (en) 2014-05-01 2018-01-30 Willis Electric Co., Ltd. Control of modular lighted artificial trees
US9883706B2 (en) 2011-05-20 2018-02-06 Willis Electric Co., Ltd. Multi-positional, locking artificial tree trunk
US9894949B1 (en) 2013-11-27 2018-02-20 Willis Electric Co., Ltd. Lighted artificial tree with improved electrical connections
US10206530B2 (en) 2012-05-08 2019-02-19 Willis Electric Co., Ltd. Modular tree with locking trunk
US10440795B2 (en) 2016-03-04 2019-10-08 Polygroup Macau Limited (Bvi) Variable multi-color LED light string and controller for an artificial tree
US10683974B1 (en) 2017-12-11 2020-06-16 Willis Electric Co., Ltd. Decorative lighting control
US10765245B2 (en) 2009-07-14 2020-09-08 Belgravia Wood Limited Power pole for artificial tree apparatus with axial electrical connectors
US10973355B2 (en) 2009-07-14 2021-04-13 Belgravia Wood Limited Power pole for artificial tree apparatus with axial electrical connectors
US10985513B2 (en) 2019-08-30 2021-04-20 Polygroup Macau Limited (Bvi) Powered tree construction with rotation limiting

Cited By (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602207A (en) * 1949-01-18 1952-07-08 Kellems Company Cable grip
US2650400A (en) * 1950-02-01 1953-09-01 Kellems Company Interwoven mesh type cable grip
US2740178A (en) * 1951-05-26 1956-04-03 Kellems Company Cable luffing grips
US2936257A (en) * 1956-12-04 1960-05-10 Consolidation Coal Co Method and apparatus for splicing electrical mining cable
US4368910A (en) * 1980-12-08 1983-01-18 Harvey Hubbell Incorporated Grip for pulling fiber optic cable and method of inserting the cable into the grip
DE3122882A1 (en) * 1981-06-10 1983-01-20 Carl Stahl Gmbh & Co Seil & He Clamping rope for loader wagons
US4453291A (en) * 1982-06-21 1984-06-12 Harvey Hubbell Incorporated Grip for pulling fiber optic cable
US5038663A (en) * 1983-09-16 1991-08-13 Plummer Walter A Braided sleeving with pull cord
US4600331A (en) * 1985-06-19 1986-07-15 Harvey Hubbell Incorporated Swivel coupling
US5480203A (en) * 1994-01-18 1996-01-02 Hubbell Incorporated Pulling tool for pulling connectorized cable
US5655776A (en) * 1995-12-21 1997-08-12 Kaulfuerst; Julius O. Game ball goal assembly
US6629685B2 (en) 2001-03-16 2003-10-07 Roy E. Bowling Method and apparatus for pulling wire
US6719274B2 (en) 2001-03-16 2004-04-13 Roy E. Bowling Method and apparatus for pulling wire
US20090142132A1 (en) * 2007-11-30 2009-06-04 Klein Arnold G Flyline connecting device
US8209899B2 (en) * 2007-11-30 2012-07-03 Arnold Gregory Klein Flyline connecting device
US8757594B2 (en) * 2008-10-23 2014-06-24 Southwire Company, Llc Pulling jacket for use while installing wires in conduit
US20100102286A1 (en) * 2008-10-23 2010-04-29 David Jordan Pulling jacket for use while installing wires in conduit
US20120071964A1 (en) * 2008-10-29 2012-03-22 Acandis Gmbh & Co., Kg. Medical implant and method for producing medical implant
US8978533B2 (en) * 2008-10-29 2015-03-17 Acandis Gmbh & Co., Kg. Medical implant and method for producing medical implant
US8091866B2 (en) * 2009-04-09 2012-01-10 Christopher L White Wire pull assembly
US20100258771A1 (en) * 2009-04-09 2010-10-14 White Christopher L Wire pull assembly
US10765245B2 (en) 2009-07-14 2020-09-08 Belgravia Wood Limited Power pole for artificial tree apparatus with axial electrical connectors
US10893768B2 (en) 2009-07-14 2021-01-19 Belgravia Wood Limited Power pole for artificial tree apparatus with axial electrical connectors
US10765244B2 (en) 2009-07-14 2020-09-08 Belgravia Wood Limited Power pole for artificial tree apparatus with axial electrical connectors
US10973355B2 (en) 2009-07-14 2021-04-13 Belgravia Wood Limited Power pole for artificial tree apparatus with axial electrical connectors
US10939777B2 (en) 2009-07-14 2021-03-09 Belgravia Wood Limited Power pole for artificial tree apparatus with axial electrical connectors
US10772452B2 (en) 2009-12-31 2020-09-15 Polygroup Macau Limited(Bvi) Connector system
US9844288B2 (en) 2009-12-31 2017-12-19 Polygroup Macau Limited (Bvi) Connector system
US9887501B2 (en) 2010-09-23 2018-02-06 Willis Electric Co., Ltd. Modular artificial lighted tree with decorative light string
US9861147B1 (en) 2010-09-23 2018-01-09 Willis Electric Co., Ltd. Modular lighted tree
US9484687B1 (en) 2010-09-23 2016-11-01 Willis Electric Co., Ltd. Modular lighted tree
US10070675B2 (en) 2010-09-23 2018-09-11 Willis Electric Co., Ltd. Modular lighted tree with internal electrical connection system
US9883706B2 (en) 2011-05-20 2018-02-06 Willis Electric Co., Ltd. Multi-positional, locking artificial tree trunk
DE102011109757B4 (en) * 2011-08-09 2013-02-28 Lipsticks Sportprodukte Gmbh Insertion aid for cables
DE102011109757A1 (en) * 2011-08-09 2013-02-14 Lipsticks Sportprodukte Gmbh Insertion aid for cables
US8959810B1 (en) 2011-10-28 2015-02-24 Polygroup Macau Limited (Bvi) Powered tree construction
US9912109B2 (en) 2011-10-28 2018-03-06 Polygroup Macau Limited (Bvi) Powered tree construction
US10522954B1 (en) 2011-10-28 2019-12-31 Polygroup Macau Limited (Bvi) Powered tree construction
US10777949B2 (en) 2011-10-28 2020-09-15 Polygroup Macau Limited (Bvi) Powered tree construction
US9843147B2 (en) * 2011-10-28 2017-12-12 Polygroup Macau Limited (Bvi) Powered tree construction
US10404019B2 (en) * 2011-10-28 2019-09-03 Polygroup Macau Limited (Bvi) Powered tree construction
US9119495B2 (en) 2011-10-28 2015-09-01 Polygroup Macau Limited (Bvi) Powered tree construction
US9664362B2 (en) 2011-11-14 2017-05-30 Willis Electric Co., Ltd. Lighted artificial tree with multi-terminal electrical connectors for power distribution and control
US9677749B2 (en) 2011-11-14 2017-06-13 Willis Electric Co., Ltd. Conformal power adapter for lighted artificial tree
US9441800B1 (en) 2011-12-09 2016-09-13 Willis Electric Co., Ltd. Modular lighted artificial tree
US9441823B1 (en) 2011-12-09 2016-09-13 Willis Electric Co., Ltd. Modular lighted artificial tree
US9572446B2 (en) 2012-05-08 2017-02-21 Willis Electric Co., Ltd. Modular tree with locking trunk and locking electrical connectors
US9526286B2 (en) 2012-05-08 2016-12-27 Willis Electric Co., Ltd. Modular tree with electrical connector
US9648919B2 (en) 2012-05-08 2017-05-16 Willis Electric Co., Ltd. Modular tree with rotation-lock electrical connectors
US10010208B2 (en) 2012-05-08 2018-07-03 Willis Electric Co., Ltd. Modular tree with electrical connector
US9179793B2 (en) 2012-05-08 2015-11-10 Willis Electric Co., Ltd. Modular tree with rotation-lock electrical connectors
US10206530B2 (en) 2012-05-08 2019-02-19 Willis Electric Co., Ltd. Modular tree with locking trunk
EP2855972A4 (en) * 2012-05-24 2016-01-06 Gregg Marine Inc Braided termination for fiber subsea umbilical line
US10098491B2 (en) 2013-03-13 2018-10-16 Willis Electric Co., Ltd. Modular tree with locking trunk and locking electrical connectors
US9439528B2 (en) 2013-03-13 2016-09-13 Willis Electric Co., Ltd. Modular tree with locking trunk and locking electrical connectors
US9671074B2 (en) 2013-03-13 2017-06-06 Willis Electric Co., Ltd. Modular tree with trunk connectors
US9894949B1 (en) 2013-11-27 2018-02-20 Willis Electric Co., Ltd. Lighted artificial tree with improved electrical connections
US9220361B1 (en) 2013-12-03 2015-12-29 Willis Electric Co., Ltd. Dual-voltage lighted artificial tree
US9677748B1 (en) 2013-12-03 2017-06-13 Willis Electric Co., Ltd. Dual-voltage lighted artificial tree
US9883566B1 (en) 2014-05-01 2018-01-30 Willis Electric Co., Ltd. Control of modular lighted artificial trees
US9839315B2 (en) 2015-03-27 2017-12-12 Polygroup Macau Limited (Bvi) Multi-wire quick assemble tree
US10842306B2 (en) 2015-03-27 2020-11-24 Polygroup Macau Limited (Bvi) Multi-wire quick assemble tree
US10728978B2 (en) 2016-03-04 2020-07-28 Polygroup Macau Limited (Bvi) Variable multi-color LED light string and controller for an artificial tree
US10440795B2 (en) 2016-03-04 2019-10-08 Polygroup Macau Limited (Bvi) Variable multi-color LED light string and controller for an artificial tree
US10683974B1 (en) 2017-12-11 2020-06-16 Willis Electric Co., Ltd. Decorative lighting control
US10985513B2 (en) 2019-08-30 2021-04-20 Polygroup Macau Limited (Bvi) Powered tree construction with rotation limiting
US10989374B1 (en) 2020-05-11 2021-04-27 Willis Electric Co., Ltd. Decorative lighting control

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