US41171A - Improvement in windlasses - Google Patents
Improvement in windlasses Download PDFInfo
- Publication number
- US41171A US41171A US41171DA US41171A US 41171 A US41171 A US 41171A US 41171D A US41171D A US 41171DA US 41171 A US41171 A US 41171A
- Authority
- US
- United States
- Prior art keywords
- rope
- windlass
- sheaves
- shaft
- drum
- 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
- 239000002965 rope Substances 0.000 description 46
- 230000001105 regulatory Effects 0.000 description 4
- 206010022114 Injury Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material
- B65H75/4405—Traversing devices; means for orderly arranging the material on the drum
- B65H75/4407—Traversing devices; means for orderly arranging the material on the drum positively driven, e.g. by a transmission between the drum and the traversing device
Definitions
- This invention consists in an -arrangement of mechanism for guiding the rope as it is wound upon a windlass-barrel in such manner that the winding rope shall not override or impinge against that portion of the rope previously wound upon the drum.
- Figure 1 of the accompanying drawings represents a side elevation of a windlass-barrel, showing my invention as applied thereto.
- Fig. 2 shows a top view, and
- Fig. 3 an end elevation, of the same.
- a denotes the windlass drum or barrel; b, the frame-work upon which the axis of the barrel runs; c, the windlass-rope.
- a cross-shaft, d running in bearings on the frame, and carrying a pinion-wheel, e, which meshes into and is driven by a gear, f, fixed on the windlassshaft g, so that the rotation of the windlass or drum @imparts rotation to the shaft d.
- a screw-thread, h is formed, said screw-thread bearing a nut, i, which extends down from a sliding bar, k, as seen in Fig. 3.
- the bar k extends across the top of the frame, or so as to slide laterally in ways or bearings made in the upper ends of two of the vertical posts of said frame.
- the rope @,in its passage to the windlass-drum a, is made to pass through or between these sheaves, as seen in Fig. 2, the grooves in the sides of the sheaves encircling or nearly encircling the rope.
- the windlass-barrel is turned to wind the rope upon it, the shaft d and its thread h are rotated, and the nut fi, the bar k, and the sheaves ZZ are moved laterally in the direction in which the rope is being laid onto the windlass, and the movement of the sheaves guides the lay of the rope on the surface of the windlass-drum, as will be readily unde'rstood.
- the relation between the pitch of the screw-threads and the rotation of the screwshaft is so regulated that the lateral movement of the nut@ and the sheaves Z at each revolution of the windlass shall slightly eX- ceed the diameter of the windlass-rope.
- the sheaves may be made at each revolution of the windlass to move an inch and a sixteenth, and by this means the rope is so guided upon the drum that the adjacent coils thereof do not touch each other, but are regularly wound at such distance apart as to completely prevent any overlapping or impingement of such contiguous or adjacent and successively wound coils or portions of the rope.
- the lateral movement of the sheaves continues until the rope fills or covers the windlass-barrel.
- My invention has been made principally with reference to elevators where great care is generally necessary in guiding the windlassropes, and where much injury and wear will 4 continually occur from the friction and overlapping of the successive coils as they are being wound upon the drum. Particularly is this the casewith wire ropes, where from the incompressibility of the material the strands of the rope are soon worn through by this over lapping, and the rope is spoiled or rendered unfit or unsafe to use.
- the coils being kept separate and distinct by my invention,all Wear of the rope from this cause is prevented, and the strength of the rope is preserved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding Filamentary Materials (AREA)
Description
UNITED STATES PATENT OFFICE.
EDVIN REYNOLDS, OFMANSFIELD, CONNECTICUT.
liVlPROVEIVI ENT IN WINDLASSES.
Specification forming part of Letters Patent No. 41,171, dated January 5, 1864.
To all whom it may concern.-
Beit known that I, EDWIN REYNOLDS, of Mansfield, in the county of Tolland and State of Connecticut, have invented a Traverse Guide for Vindlasses; and I do hereby declare that the following, taken in connection with the drawings which accompany and form part of this specification, is a description of my invention suiicient to enable those skilled in the art to practice it.
This invention consists in an -arrangement of mechanism for guiding the rope as it is wound upon a windlass-barrel in such manner that the winding rope shall not override or impinge against that portion of the rope previously wound upon the drum.
Figure 1 of the accompanying drawings represents a side elevation of a windlass-barrel, showing my invention as applied thereto. Fig. 2 shows a top view, and Fig. 3 an end elevation, of the same.
a denotes the windlass drum or barrel; b, the frame-work upon which the axis of the barrel runs; c, the windlass-rope. Upon one end of the frame b is placed a cross-shaft, d, running in bearings on the frame, and carrying a pinion-wheel, e, which meshes into and is driven by a gear, f, fixed on the windlassshaft g, so that the rotation of the windlass or drum @imparts rotation to the shaft d. Upon this shaft a screw-thread, h, is formed, said screw-thread bearing a nut, i, which extends down from a sliding bar, k, as seen in Fig. 3. The bar k extends across the top of the frame, or so as to slide laterally in ways or bearings made in the upper ends of two of the vertical posts of said frame. Upon the top surface of the bar, and so as to come in or nearly in a horizontal plane with the upper surface of the windlassbarrel, are placed two sheaves, ZZ, which turn loosely on pins or shafts m m. The rope @,in its passage to the windlass-drum a, is made to pass through or between these sheaves, as seen in Fig. 2, the grooves in the sides of the sheaves encircling or nearly encircling the rope.
Now,as the windlass-barrel is turned to wind the rope upon it, the shaft d and its thread h are rotated, and the nut fi, the bar k, and the sheaves ZZ are moved laterally in the direction in which the rope is being laid onto the windlass, and the movement of the sheaves guides the lay of the rope on the surface of the windlass-drum, as will be readily unde'rstood. The relation between the pitch of the screw-threads and the rotation of the screwshaft is so regulated that the lateral movement of the nut@ and the sheaves Z at each revolution of the windlass shall slightly eX- ceed the diameter of the windlass-rope. Thus if the rope is of an inch diameter the sheaves may be made at each revolution of the windlass to move an inch and a sixteenth, and by this means the rope is so guided upon the drum that the adjacent coils thereof do not touch each other, but are regularly wound at such distance apart as to completely prevent any overlapping or impingement of such contiguous or adjacent and successively wound coils or portions of the rope. The lateral movement of the sheaves continues until the rope fills or covers the windlass-barrel.
The reverse rotation of the drum a carries back the traverse bar and sheaves until the rope is entirely unwound. In order to prevent any accidentally continued or subsequent rotation of the screw-shaft after the rope has covered or has been unwound from the drum from stripping the threads of the screw-shaft, or otherwise injuring the mechanism, the opposite ends of the shaft d are left plain, as seen at a in Fig. 3, and of such diameter that the nut z can move over them without contact. Undue rotation of the shaft forces the nut upon one or the other of these cylindrical portions n, when the lateral movement of the sheaves ceases until the shaft is rotated in the opposite directions.
My invention has been made principally with reference to elevators where great care is generally necessary in guiding the windlassropes, and where much injury and wear will 4 continually occur from the friction and overlapping of the successive coils as they are being wound upon the drum. Particularly is this the casewith wire ropes, where from the incompressibility of the material the strands of the rope are soon worn through by this over lapping, and the rope is spoiled or rendered unfit or unsafe to use. The coils being kept separate and distinct by my invention,all Wear of the rope from this cause is prevented, and the strength of the rope is preserved.
I would here remark that instead of apply` ing the sheaves as described in the drawings, other devices may be used for guiding the rope upon the Windlass; and I do not intend to eonine my invention to the precise arrangement of parts shown, but to vary the same as oiroumstanoes may require.
What I claim isl. The application of a sheave or sheaves mounted upon a traverse bar or guide to a windlass-rope, so that impingernent ofthe successive coils of the rope is prevented, in the manner and for the purpose substantially as described.
2. The combination and arrangement of the druln a., sorew-shaft d,.nut '13, traverse bar k,
and sheaves m, substantially as specified.
3. Regulating the total extentof traverse of the nutz' or the screw-shaft in the manner substantially as set forth.
In Witness whereof I have hereto set my hand this 17th day of October, A. D. 1863.
EDWIN REYNOLDS.
In presence of- J. B. CROSBY, FRANCIS GoULD.
Publications (1)
Publication Number | Publication Date |
---|---|
US41171A true US41171A (en) | 1864-01-05 |
Family
ID=2110739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US41171D Expired - Lifetime US41171A (en) | Improvement in windlasses |
Country Status (1)
Country | Link |
---|---|
US (1) | US41171A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110193037A1 (en) * | 2010-02-05 | 2011-08-11 | Smith Frederick L | Windlass System and Method |
-
0
- US US41171D patent/US41171A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110193037A1 (en) * | 2010-02-05 | 2011-08-11 | Smith Frederick L | Windlass System and Method |
US8517348B2 (en) * | 2010-02-05 | 2013-08-27 | Frederick L. Smith | Windlass system and method |
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