US1233366A - Bar and wire-rope clip. - Google Patents
Bar and wire-rope clip. Download PDFInfo
- Publication number
- US1233366A US1233366A US14631517A US14631517A US1233366A US 1233366 A US1233366 A US 1233366A US 14631517 A US14631517 A US 14631517A US 14631517 A US14631517 A US 14631517A US 1233366 A US1233366 A US 1233366A
- Authority
- US
- United States
- Prior art keywords
- block
- bolt
- branches
- shoe
- clip
- 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
Links
- 238000010276 construction Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 2
- 101710125089 Bindin Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
- G03D15/00—Apparatus for treating processed material
- G03D15/04—Cutting; Splicing
- G03D15/043—Cutting or splicing of filmstrips
-
- 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
- F16B7/22—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using hooks or like elements
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/39—Cord and rope holders
- Y10T24/3936—Pivoted part
- Y10T24/394—Cam lever
- Y10T24/3947—Fixed and movable jaws, movable jaw pulled
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/39—Cord and rope holders
- Y10T24/3958—Screw clamp
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/71—Rod side to plate or side
- Y10T403/7152—Lapped rod ends
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2142—Pitmans and connecting rods
- Y10T74/2151—Longitudinally adjustable
Definitions
- An object of my invention is to produce an improved bar and rope clip whlch will grip the bars or ropes held thereby more firmly than other clips known to me, and without damaging them.
- a further object is to produce a clip for bars or ropes, in which the bolts employed for bindin the bar or rope-gripping elements of the clip together, are relieved of bending or twisting strains, all strains tending to produce bending or twisting of the bolts, being converted into direct tensional strains.
- Figure 1 is a perspective view of a clip embodying my invention and mounted in position on two rods shown in fragmental perspective.
- Fig. 2 is an end elevation of the clip shown in Fig. 1.
- Fig. 3 is a side elevation of a clip shoe forming a detail of the clip illustrated in Figs. 1 and 2.
- Fig. 4 is a fragmental sectional View taken on the line 4'4: of Fig. 2.
- Fig. 5 is a sectional View taken on the line 55 of Fig. 2.
- Fig. 6 is a perspective view of a clip embodying my invention. but adapted for use in clamping together ropes instead of rods.
- Fig. 7 is an end elevation of the clip shown'in Fig. 6. I I
- Fig. 8 is a sectional. elevation of a modi fertil form of clip embodying my invention.
- My improved clip consists of a U-shaped bolt 7 adapted to receive between its branches the rods to be clamped together.
- a shoe 8 is pivotally mounted, this shoe having a corrugated surface 9 for the purpose 0 gripping the surface of one of ,the rods locatedbetween the branches'lO and 11 of the bolt.
- Surface 9 is not only corrugated, but also is shaped to conform to the contour of the rods located between the branches of the bolt.
- corrugations extend to each side of the center of the shoe so as to engage the surface of the rod in engagement therewith, with equal gripping power, whether the shoe be rocked to one side or the other when tension is exerted upon the rods.
- the branches 10 and 11 of the bolt are screw threaded to receive adjustment nuts 12 and 13 which are provided for the purpose of bringing a block 14: mounted upon the branches, into engagement with the rods located between it and the shoe.
- Block 14: is provided with two apertures 15 and 16 adapted to receive the branches 10 and 11 of bolt 7, these apertures being formed so as to permit rocking movement of the block with relation to the bolts, the ends 17 and 18 of the aperture being enlarged with relation to the central portion 19.
- the enlargements 17 and 18 at the ends of the apertures 15 and 16, are elliptical in shape, as disclosed in Fig. 5, the greatest dimension of these elliptical enlargements extending in a direction transversely ofthe block. This permits the block to have but one rocking motion, and enables it to assume the position disclosed in Fig. 1 when tension is brought to bear upon the rods in the direction indicated by the arrows.
- the branches 10 and 11 of the bolt 7, the surface 20 against which the nuts 12 and 13 bear is also rounded so that the block may rock freely over the surfaces of the nuts.
- the rod-engaging surface 21 of the block 14 is formed in a similar manner to surface 9 of shoe 8, corrugations being formed therein for gripping the rod more firmly.
- FIGs. 6 and 7 my improved rod or rope clip is shownas-being particularly adapted for use with ropes or cables, the corrugations 22 of the shoe 23 and corrugations 24 of the block being formed to conformwith the .convolutions of the strands used in the rope or cable construction. This is for the purpose of increasing the gripping engagement of the clip with the ropes it is adapted to connect.
- Another feature designed to adapt this form of my improved clip for use more particularly with ropes lies in the provision of lugs or prongs 26 which extend around and beyond the sides of the ropes so as to prevent their being flattened when the nuts 27 and 28 are tightened to grip them firmly.
- the apertures through which the legs 29 and 30 of the bolt 31 pass are provided with en larged ends which are elongated in the same manner as disclosed in Fig. 4, the nut engaging surface 32 of the block also being rounded in the same manner that surface 20 of the reviously described construction is rounded: to facilitate rocking movement of the block upon the surface of nuts 27 and 28 against which it bears. Such a rocking movement of the block. and the shoe 23 occurs when the ro es are subjected to tension as indicated by the arrows in Fig. 6.
- Fig. 8 a modified form of construction is-disclosed, the block, instead of being provided with a convexly rounded nut-engaging surface, being provided with concave nut-engaging surfaces 33 adapted to receive convexly headed adjustment nuts'35 mounted uponeach branch of the bolt.
- This construction in effect gives the same rocking movement as obtained in the previously de scribed constructions, so as torelieve the bolt of any twisting or bending strains to which it may be subjected.
- An additional feature of my invention lies in the formation of the rod or rope engaging surface'of the shoe 8, eccentric to the pivotal center thereof, so that when the shoe is rocked, its ends, as they approach the surface of the rod or rope, will bear with increasing pressure upon the rods or ropes. This is most important in that this increased gripping movement of the cam-like shoe aids the natural tendency of the bolt to gri the rods or ropes tighter when it is broug t to a greater and greater inclination upon subjecting the rods or ropes to tension.
- a rod or rope clip comprising a U- shaped bolt, a blockreciprocally mounted on the branches of the bolt and adapted to have rocking movement thereon, and nuts adjustably mounted on the branches, adapted to bring the block into clamping engagement with the rods or ropes located between the branches.
- a rod or rope clip comprising a U- shaped bolt, a shoe rotatively mounted at the base of the bolt, a block reciprocally mounted on the branches of the bolt and adapted to have rocking movement thereon, and nuts adjustably mounted on the branches, adapted to bring the block into clamping engagement with the rods or ropes located between the branches and between the block and the shoe.
- a rod or rope clip comprising a U- shaped bolt, a block having apertures formed therein adapted to receive the branches of the bolt and havin the ends of the apertures elongated to facilitate rocking movement of the block with relation to the bolt, and nuts adjustably mounted on the branches, adapted to bring the block into clamping engagement with the rods or ropes located between the branches.
- a rod or rope clip comprising a U- shaped bolt, a block having apertures formed therein and adapted to receive-the branches of the bolt, said apertures having their ends enlarged to facilitate rocking movement of the block with relation to the bolt, a shoe rotatively mounted at the base of the'bolt, and nuts adjustably mounted on the branches, adapted to bring the block into clampin engagement with the rods or ropes located between the branches and between the block and the shoe.
- a rod or rope clip comprising a U- shaped bolt, a block reciprocally mounted on the branches of the bolt and adapted to have rocking movement thereon, and nuts adjusta'bly mounted on the branches, adapted to bring the block'into clamping engagement with the rods or ropes located between the branches, the nut engaging surface of the block being curved to facilitate rocking movement of the block on the bolt when held by the nuts in clamping engagement with rods or ropes located between the branches.
- a rod or rope clip comprising a U- shaped bolt, a shoe rotatively mounted on the bolt at its base, a block reciprocally mounted on the branches of the bolt and in spaced relation to the shoe, adapted to have rocking movement thereon, and nuts adjustably mounted on the branches, adapted to bring the block into clamping en agement with the rods or ropes located between the branches and between the block and the shoe, the nut contacting surface of the block being curved to-facilitate rocking movement thereof when rocked upon the branches 7.
- a rod or rope clip comprising a 'U shaped bolt, a shoe rotatively mounted at the base of the bolt, a block reciprocally mounted on the branches of the bolt, and
- A'rod or rope clip comprising a U- shaped bolt, a shoe rotatively mounted at thebase or the bolt, a block reciprocally mounted on the branches of the bolt, and nuts adjustably mounted on the branches, adapted to bring the block into clamping engagement with rods or ropes located between the branches and between the block and shoe, the rod and rope engaging surface of the shoe being formed eccentric to Lnwrs FHDEWOLF, W. L. LnNFns'rEY.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Description
E. 0. KEATOR.
BAR AND WIRE ROPE CLIP.
APPLICATION FILED FEB. 3. 1917.
Patented My 17, 1917.
Wifmsses:
ouuiou.
EDWARD O. KEATOR, 0F CINCINNATI, OHIO.
BAR AND WIRE-ROPE CLIP.
meaaee.
Specification of Letters Patent.
Patented July It, 191W.
Application filed February 3, 1917. Serial No. 146,315.
To all whom it may concern Be it known that I, EDWARD O. KEATOR, citizen of the United States of America, and resident of Cincinnati, in the county of Hamilton and State of Ohio, have invented a new and useful Improvement in Bar and "Wiredhlope Clips, of which the following i a specification.
An object of my invention is to produce an improved bar and rope clip whlch will grip the bars or ropes held thereby more firmly than other clips known to me, and without damaging them.
A further object is to produce a clip for bars or ropes, in which the bolts employed for bindin the bar or rope-gripping elements of the clip together, are relieved of bending or twisting strains, all strains tending to produce bending or twisting of the bolts, being converted into direct tensional strains.
These and other objects are attained in the clip described in the following specification and illustrated in theaccompanying drawings, in which:
Figure 1 is a perspective view of a clip embodying my invention and mounted in position on two rods shown in fragmental perspective.
Fig. 2 is an end elevation of the clip shown in Fig. 1.
Fig. 3 is a side elevation of a clip shoe forming a detail of the clip illustrated in Figs. 1 and 2.
Fig. 4 is a fragmental sectional View taken on the line 4'4: of Fig. 2.
Fig. 5 is a sectional View taken on the line 55 of Fig. 2.
Fig. 6 is a perspective view of a clip embodying my invention. but adapted for use in clamping together ropes instead of rods.
Fig. 7 is an end elevation of the clip shown'in Fig. 6. I I
Fig. 8 is a sectional. elevation of a modi fled form of clip embodying my invention.
My improved clip consists of a U-shaped bolt 7 adapted to receive between its branches the rods to be clamped together.
At the base of. the belt a shoe 8 is pivotally mounted, this shoe having a corrugated surface 9 for the purpose 0 gripping the surface of one of ,the rods locatedbetween the branches'lO and 11 of the bolt. Surface 9 is not only corrugated, but also is shaped to conform to the contour of the rods located between the branches of the bolt. In
addition to this the corrugations extend to each side of the center of the shoe so as to engage the surface of the rod in engagement therewith, with equal gripping power, whether the shoe be rocked to one side or the other when tension is exerted upon the rods. The branches 10 and 11 of the bolt are screw threaded to receive adjustment nuts 12 and 13 which are provided for the purpose of bringing a block 14: mounted upon the branches, into engagement with the rods located between it and the shoe. Block 14: is provided with two apertures 15 and 16 adapted to receive the branches 10 and 11 of bolt 7, these apertures being formed so as to permit rocking movement of the block with relation to the bolts, the ends 17 and 18 of the aperture being enlarged with relation to the central portion 19. The enlargements 17 and 18 at the ends of the apertures 15 and 16, are elliptical in shape, as disclosed in Fig. 5, the greatest dimension of these elliptical enlargements extending in a direction transversely ofthe block. This permits the block to have but one rocking motion, and enables it to assume the position disclosed in Fig. 1 when tension is brought to bear upon the rods in the direction indicated by the arrows. In order to facilitate this 'inoveinent with relation to, the branches 10 and 11 of the bolt 7, the surface 20 against which the nuts 12 and 13 bear, is also rounded so that the block may rock freely over the surfaces of the nuts. The rod-engaging surface 21 of the block 14 is formed in a similar manner to surface 9 of shoe 8, corrugations being formed therein for gripping the rod more firmly.
In this improved form of clip the shoe as well as the block will rock upon the U-bolt mounting them so asto bring their corrugated surfaces into increasing gripping engagement with the surfaces of the rods as increased tension is brought to bear upon the rods. This rocking movement relieves the boltof all twisting or bending strains and subjects it only to direct tensional strains, thus increasing its strength materially over other rod or rope clips known to me;
In Figs. 6 and 7 my improved rod or rope clip is shownas-being particularly adapted for use with ropes or cables, the corrugations 22 of the shoe 23 and corrugations 24 of the block being formed to conformwith the .convolutions of the strands used in the rope or cable construction. This is for the purpose of increasing the gripping engagement of the clip with the ropes it is adapted to connect. Another feature designed to adapt this form of my improved clip for use more particularly with ropes, lies in the provision of lugs or prongs 26 which extend around and beyond the sides of the ropes so as to prevent their being flattened when the nuts 27 and 28 are tightened to grip them firmly. This maintains the shape of the ropes or cables and holds them to the shape of the corrugations 22 and 24 formed in the shoe and block, thus precluding any tendency for them to slip when clamped together. As in the construction disclosed in Figs. 1 to 5 inclusive, the apertures through which the legs 29 and 30 of the bolt 31 pass, are provided with en larged ends which are elongated in the same manner as disclosed in Fig. 4, the nut engaging surface 32 of the block also being rounded in the same manner that surface 20 of the reviously described construction is rounded: to facilitate rocking movement of the block upon the surface of nuts 27 and 28 against which it bears. Such a rocking movement of the block. and the shoe 23 occurs when the ro es are subjected to tension as indicated by the arrows in Fig. 6.
In Fig. 8 a modified form of construction is-disclosed, the block, instead of being provided with a convexly rounded nut-engaging surface, being provided with concave nut-engaging surfaces 33 adapted to receive convexly headed adjustment nuts'35 mounted uponeach branch of the bolt. This construction, in effect gives the same rocking movement as obtained in the previously de scribed constructions, so as torelieve the bolt of any twisting or bending strains to which it may be subjected.
When tenslon is brought to bear upon the rods or. ropes gripped by the clip, the tendency is for the bolt of the clip to assume an inclined position as-disclosed in Figs. 1 and 6. I However in assuming this position the bolt is not subjected to the slightest of bending or torsional strains, any strains tending to produce such an action, being converted into direct tensional strains and thus acting upon the bolt in subjecting it to strains acting in directions of the greatest strength thereof.
An additional feature of my invention lies in the formation of the rod or rope engaging surface'of the shoe 8, eccentric to the pivotal center thereof, so that when the shoe is rocked, its ends, as they approach the surface of the rod or rope, will bear with increasing pressure upon the rods or ropes. This is most important in that this increased gripping movement of the cam-like shoe aids the natural tendency of the bolt to gri the rods or ropes tighter when it is broug t to a greater and greater inclination upon subjecting the rods or ropes to tension.
Having thus described my invention, what I claim is:
1. A rod or rope clip comprising a U- shaped bolt, a blockreciprocally mounted on the branches of the bolt and adapted to have rocking movement thereon, and nuts adjustably mounted on the branches, adapted to bring the block into clamping engagement with the rods or ropes located between the branches.
2. A rod or rope clip comprising a U- shaped bolt, a shoe rotatively mounted at the base of the bolt, a block reciprocally mounted on the branches of the bolt and adapted to have rocking movement thereon, and nuts adjustably mounted on the branches, adapted to bring the block into clamping engagement with the rods or ropes located between the branches and between the block and the shoe.
3. A rod or rope clip comprising a U- shaped bolt, a block having apertures formed therein adapted to receive the branches of the bolt and havin the ends of the apertures elongated to facilitate rocking movement of the block with relation to the bolt, and nuts adjustably mounted on the branches, adapted to bring the block into clamping engagement with the rods or ropes located between the branches.
4. A rod or rope clip comprising a U- shaped bolt, a block having apertures formed therein and adapted to receive-the branches of the bolt, said apertures having their ends enlarged to facilitate rocking movement of the block with relation to the bolt, a shoe rotatively mounted at the base of the'bolt, and nuts adjustably mounted on the branches, adapted to bring the block into clampin engagement with the rods or ropes located between the branches and between the block and the shoe.
A rod or rope clip comprising a U- shaped bolt, a block reciprocally mounted on the branches of the bolt and adapted to have rocking movement thereon, and nuts adjusta'bly mounted on the branches, adapted to bring the block'into clamping engagement with the rods or ropes located between the branches, the nut engaging surface of the block being curved to facilitate rocking movement of the block on the bolt when held by the nuts in clamping engagement with rods or ropes located between the branches.
6. A rod or rope clip comprising a U- shaped bolt, a shoe rotatively mounted on the bolt at its base, a block reciprocally mounted on the branches of the bolt and in spaced relation to the shoe, adapted to have rocking movement thereon, and nuts adjustably mounted on the branches, adapted to bring the block into clamping en agement with the rods or ropes located between the branches and between the block and the shoe, the nut contacting surface of the block being curved to-facilitate rocking movement thereof when rocked upon the branches 7. A rod or rope clip comprising a 'U shaped bolt, a shoe rotatively mounted at the base of the bolt, a block reciprocally mounted on the branches of the bolt, and
nuts adjustably 'mounted on the branches,
adapted to bring the block into clamping engagement with rods or ropes located be tween the branches and between the block and shoe.
8. A'rod or rope clip comprising a U- shaped bolt, a shoe rotatively mounted at thebase or the bolt, a block reciprocally mounted on the branches of the bolt, and nuts adjustably mounted on the branches, adapted to bring the block into clamping engagement with rods or ropes located between the branches and between the block and shoe, the rod and rope engaging surface of the shoe being formed eccentric to Lnwrs FHDEWOLF, W. L. LnNFns'rEY.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14631517A US1233366A (en) | 1917-02-03 | 1917-02-03 | Bar and wire-rope clip. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14631517A US1233366A (en) | 1917-02-03 | 1917-02-03 | Bar and wire-rope clip. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1233366A true US1233366A (en) | 1917-07-17 |
Family
ID=3301197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14631517A Expired - Lifetime US1233366A (en) | 1917-02-03 | 1917-02-03 | Bar and wire-rope clip. |
Country Status (1)
Country | Link |
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US (1) | US1233366A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2643425A (en) * | 1951-09-05 | 1953-06-30 | Malleable Iron Fittings Co | Clamp for guy wires and the like |
US2698471A (en) * | 1951-07-16 | 1955-01-04 | Hubbard & Co | Wire clamp |
US3223958A (en) * | 1962-08-08 | 1965-12-14 | Robert F Prohl | Clamp for extension cords |
US4079487A (en) * | 1976-12-10 | 1978-03-21 | Coop Jeffrey W Sr | Clamp assembly with locking feature |
US4594752A (en) * | 1984-10-12 | 1986-06-17 | Garner Sr Ronald S | Cable or rope connection including clamp device |
US20130213736A1 (en) * | 2012-02-22 | 2013-08-22 | Shlomo Add | Personal escape and rescue device |
-
1917
- 1917-02-03 US US14631517A patent/US1233366A/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2698471A (en) * | 1951-07-16 | 1955-01-04 | Hubbard & Co | Wire clamp |
US2643425A (en) * | 1951-09-05 | 1953-06-30 | Malleable Iron Fittings Co | Clamp for guy wires and the like |
US3223958A (en) * | 1962-08-08 | 1965-12-14 | Robert F Prohl | Clamp for extension cords |
US4079487A (en) * | 1976-12-10 | 1978-03-21 | Coop Jeffrey W Sr | Clamp assembly with locking feature |
US4594752A (en) * | 1984-10-12 | 1986-06-17 | Garner Sr Ronald S | Cable or rope connection including clamp device |
US20130213736A1 (en) * | 2012-02-22 | 2013-08-22 | Shlomo Add | Personal escape and rescue device |
US9987507B2 (en) * | 2012-02-22 | 2018-06-05 | Shlomo Add | Personal escape and rescue device |
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