US51970A - Improved belt-stretcher - Google Patents
Improved belt-stretcher Download PDFInfo
- Publication number
- US51970A US51970A US51970DA US51970A US 51970 A US51970 A US 51970A US 51970D A US51970D A US 51970DA US 51970 A US51970 A US 51970A
- Authority
- US
- United States
- Prior art keywords
- belt
- stretcher
- roller
- rollers
- improved belt
- 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 10
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/56—Winding of hanks or skeins
- B65H54/58—Swifts or reels adapted solely for the formation of hanks or skeins
- B65H54/585—Reels for rolling tape-like material, e.g. flat hose or strap, into flat spiral form; Means for retaining the roll after removal of the reel
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- 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
- F16G11/12—Connections or attachments, e.g. turnbuckles, adapted for straining of cables, ropes, or wire
Definitions
- the object of my invent-ion is to furnish a belt-stretcher which may be applied to belts of an y breadth, which may be applied and operated by one man, and by means of which the work may be done in one-quarter of the time required when the ordinary belt-stretchers are used; and it consists of the combination of rollers, square shafts or cylinders, ratchetwheels and pawl, end pieces, and rope, as hereinafter more fully described.
- A is the pulley around which the belt B passes.
- C D are eccentric rollers revolving in bea-rings in the end pieces, E F and G H.
- the rollers G and D are enough shorter than the distance between plates E H and GF to allow the said rollers to be slipped so far toward the plates or end pieces, G F, as to allow their axles to be withdrawn from the plates E H. Then the plates E may be thrown back out of the way and this part of the stretcher removed from the belt; but in the case of the other part ofthe stretcher the rollers C and I have both to be withdrawn from the endl piece, H, before said end piece can be thrown back and the stretcher removed from the belt B.
- the surface of the sides of the eccentric rollers C and D farthest from the axis is grooved or serrated to prevent its slipping upon the belt B.
- rollers C D Directly above the rollers C D are square shafts or cylinders J K, against the lower faces of which the belt is clamped by the eccentric rollers D (l.
- the square part of the shafts J K is of the same length as the distance between the plates F E and G H, to which they are securely attached.
- a band, rope, or chain', N which is also attached to the roller I, around which it is wound when the belt is stretched.
- the rope N may be attached to the roller by passing through holes formed in said roller, or in any other way.
- the two parts ofthe stretcher should be applied to the belt at a sufficient distance apart to allow the belt to be stretched or drawn up to the proper degree of tautness, when it may be fastened in any of the ordinary ways and the stretcher removed from the belt, as before described.
- the rope or band N is Wound around the roller I and the belt stretched by means of a crank applied to the projecting end of the roller I.
- roller I The combination of the roller I with the end pieces, G and H, ratchet-wheelL, and pawl M, substantially as described, and for the purpose set forth.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Description
PATENT OEETCE.
SEYMOUR ROGERS, OF PITTSBURG, PENNSYLVANIA.
IM PROVED BELT-STRETCH ER.
Specification forming part of Letters Patent No. 51,970, dated January 9, 1866.
I To all whom it 'may concern.'
Be it known that I, SEYMOUR ROGERS, of Pittsburg, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Belt-Stretchers; and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawings, forming part of this specification, in which- Figure lis a top or plan view of my improved belt-stretcher applied to a belt. Fi 2 is a vertical longitudinal section ofthe same through the line m a', Fig. 1. Fig. 3 is a vertical crosssection through the line y y, Fig. 2.
Similar letters of reference indicate like parts.
The object of my invent-ion is to furnish a belt-stretcher which may be applied to belts of an y breadth, which may be applied and operated by one man, and by means of which the work may be done in one-quarter of the time required when the ordinary belt-stretchers are used; and it consists of the combination of rollers, square shafts or cylinders, ratchetwheels and pawl, end pieces, and rope, as hereinafter more fully described.
A is the pulley around which the belt B passes.
C D are eccentric rollers revolving in bea-rings in the end pieces, E F and G H. The rollers G and D are enough shorter than the distance between plates E H and GF to allow the said rollers to be slipped so far toward the plates or end pieces, G F, as to allow their axles to be withdrawn from the plates E H. Then the plates E may be thrown back out of the way and this part of the stretcher removed from the belt; but in the case of the other part ofthe stretcher the rollers C and I have both to be withdrawn from the endl piece, H, before said end piece can be thrown back and the stretcher removed from the belt B. The surface of the sides of the eccentric rollers C and D farthest from the axis is grooved or serrated to prevent its slipping upon the belt B.
Directly above the rollers C D are square shafts or cylinders J K, against the lower faces of which the belt is clamped by the eccentric rollers D (l. The square part of the shafts J K is of the same length as the distance between the plates F E and G H, to which they are securely attached.
Upon the axle of the roller I, projecting bevond the end piece, G, is attached a ratchetwheel, L, into the teeth of which catches the pawl M, pivoted to the projecting axle of the square shaft K; or it may be pivoted to the end piece, G,V if desired.
To ears formed on the end pieces, E F, is attached a band, rope, or chain', N, which is also attached to the roller I, around which it is wound when the belt is stretched. The rope Nmay be attached to the roller by passing through holes formed in said roller, or in any other way.
The two parts ofthe stretcher should be applied to the belt at a sufficient distance apart to allow the belt to be stretched or drawn up to the proper degree of tautness, when it may be fastened in any of the ordinary ways and the stretcher removed from the belt, as before described. The rope or band N is Wound around the roller I and the belt stretched by means of a crank applied to the projecting end of the roller I.
Having thus described my invention, I claim asnew and desire to secure by Letters Pat-- ent- 1. The combination of the eccentric rollers C and D with the square shafts K and J, substantially as described, and for the purpose set forth.
2. The combination of the roller I with the end pieces, G and H, ratchet-wheelL, and pawl M, substantially as described, and for the purpose set forth.
3. The combination of the rope N, or its equivalent, with the end pieces, F and E, and roller I, substantially as described, and for the purpose set forth.
The above specification of my invention signed by me.
SEYMOUR ROGERS. Witnesses:
JAMES M. TAYLOR, ABRAM W. WALL.
Publications (1)
Publication Number | Publication Date |
---|---|
US51970A true US51970A (en) | 1866-01-09 |
Family
ID=2121518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US51970D Expired - Lifetime US51970A (en) | Improved belt-stretcher |
Country Status (1)
Country | Link |
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US (1) | US51970A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040042092A1 (en) * | 2002-08-27 | 2004-03-04 | Pentax Corporation | Rotation transfer mechanism and a zoom camera incorporating the rotation transfer mechanism |
US20040042091A1 (en) * | 2002-08-27 | 2004-03-04 | Pentax Corporation | Lens barrel incorporating the cam mechanism |
US20040042777A1 (en) * | 2002-08-27 | 2004-03-04 | Pentax Corporation | Cam mechanism of a photographing lens |
US20040141735A1 (en) * | 2002-08-27 | 2004-07-22 | Pentax Corporation | Lens barrel incorporating the rotation transfer mechanism |
US20040141737A1 (en) * | 2002-08-27 | 2004-07-22 | Pentax Corporation | Optical element retracting mechanism for a photographing lens |
US20040151490A1 (en) * | 2002-08-27 | 2004-08-05 | Pentax Corporation | Optical element retracting mechanism for a retractable lens |
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0
- US US51970D patent/US51970A/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040042092A1 (en) * | 2002-08-27 | 2004-03-04 | Pentax Corporation | Rotation transfer mechanism and a zoom camera incorporating the rotation transfer mechanism |
US20040042091A1 (en) * | 2002-08-27 | 2004-03-04 | Pentax Corporation | Lens barrel incorporating the cam mechanism |
US20040042777A1 (en) * | 2002-08-27 | 2004-03-04 | Pentax Corporation | Cam mechanism of a photographing lens |
US20040141735A1 (en) * | 2002-08-27 | 2004-07-22 | Pentax Corporation | Lens barrel incorporating the rotation transfer mechanism |
US20040141737A1 (en) * | 2002-08-27 | 2004-07-22 | Pentax Corporation | Optical element retracting mechanism for a photographing lens |
US20040151490A1 (en) * | 2002-08-27 | 2004-08-05 | Pentax Corporation | Optical element retracting mechanism for a retractable lens |
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