US77181A - Improvement in wrist-pins foe reapers and mowers - Google Patents
Improvement in wrist-pins foe reapers and mowers Download PDFInfo
- Publication number
- US77181A US77181A US77181DA US77181A US 77181 A US77181 A US 77181A US 77181D A US77181D A US 77181DA US 77181 A US77181 A US 77181A
- Authority
- US
- United States
- Prior art keywords
- wrist
- pins
- mowers
- improvement
- reapers
- 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
- 230000000875 corresponding Effects 0.000 description 4
- 241001124569 Lycaenidae Species 0.000 description 2
- 210000000707 Wrist Anatomy 0.000 description 2
- 230000023298 conjugation with cellular fusion Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000021037 unidirectional conjugation Effects 0.000 description 2
Images
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/22—Cranks; Eccentrics
- F16C3/28—Adjustable cranks or eccentrics
-
- 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
- Y10T74/2173—Cranks and wrist pins
- Y10T74/2179—Adjustable
Definitions
- My invention consists in so connecting the wrist or crank-pin to which the pitman-rod connected with ,the sickle is attached, that its distance from the centre of the crank-wheel, may'be 'varied o1: adjustedt pleasure, thereby producing longer or shorter and slower or more rapid strokes of the sickle, as may be desired.
- Figure 2 is an end view of the same
- v v Y Figure 3 is a section through a part of the crank-wheel, showing the conguration of the hole in which tho wrist-pin is inserted.
- A represents the shaft of the crank-wheel B, which may be revolved by a belt or cord passing around said wheel in the groove 7L, or by means of a drum or gear-wheel, as shown at E.
- D represents the Pitman-rod, havingl a collar, d, at one end, fitting upon the other end of the wrist-pin, as shown, the other end of said pitman being attached to the sickle in the usual manner.
- the wrist-pin When it is desired to give a long and relatively fast stroke, the wrist-pin is adjusted in the positionshown by the full lines in tig. 2. To decrease the relative velocity of the stroke and diminish its length, it may be adjusted as shown by the dotted lines H in said tig. 2; and to give the minimum relativo velocity and minimum length of stroke, it is adjusted as shown by the dotted lines L in tig. 2.
Description
JOHN H..ELWARD. vOF CHICAGO, ILLINOIS.l
Letters Patent No. 77,181, elated April 28, 1868; antedated .April 15, 1868.
IMPROVEMENT IN WRIST-PINS FOR REAPBRS AND MOWERS.
@its rlgthnls aferra tu in ttm haar rtmt sin mating met ut tti stmt.
T0 ALL WHOM IT MAY CONCERN:
Be it known that I, JOHN H. ELWARD, of Chicago, in the county of Cook, and State of Illinois, have invented new and useful Improved Wrist-Pins for Harvesters; and I dohcreby declare andmake known that the following' is a full, clear, and exact description of the same, reference being had to the accompanying drawings, and the letters audvgures marked thereon, which form part of this specification.
My invention consists in so connecting the wrist or crank-pin to which the pitman-rod connected with ,the sickle is attached, that its distance from the centre of the crank-wheel, may'be 'varied o1: adjustedt pleasure, thereby producing longer or shorter and slower or more rapid strokes of the sickle, as may be desired.
To enable those skilled in the art to understand how to construct and use my invention, I will proceed to describe the same with pai'ticularity, making reference in so doing to the aforesaid drawings, in which- Figure 1 represents a side elevation of my invention, y
Figure 2 is an end view of the same, and v v Y Figure 3 is a section through a part of the crank-wheel, showing the conguration of the hole in which tho wrist-pin is inserted.
The same letters of reference in the several figures indicate like parts of my invention.
A represents the shaft of the crank-wheel B, which may be revolved by a belt or cord passing around said wheel in the groove 7L, or by means of a drum or gear-wheel, as shown at E.
In or near the periphery of thel said wheel B there is made an octagonal or other angular hole, marked b, into which one end of the crank-pin or wrist-pin C, made o' corresponding angular coniiguration, ts, as shown at c, and is secured therein, in any desired position` by means of a key, @which enters anappropriate recess at one side, as shown.
D represents the Pitman-rod, havingl a collar, d, at one end, fitting upon the other end of the wrist-pin, as shown, the other end of said pitman being attached to the sickle in the usual manner.
When it is desired to give a long and relatively fast stroke, the wrist-pin is adjusted in the positionshown by the full lines in tig. 2. To decrease the relative velocity of the stroke and diminish its length, it may be adjusted as shown by the dotted lines H in said tig. 2; and to give the minimum relativo velocity and minimum length of stroke, it is adjusted as shown by the dotted lines L in tig. 2.
Thus it is seen that the end of the wrist-pin to which the pitman-rod is attached is readily adjusted at any required distance from the centroof the wheel.
Having fully described the nature, construction, and operation of my invention, I will now specify what I claim, and desire to secure by Letters Patent. A
I claim the combination of the wheel B, providedl with an angular recessed or slotted opening, b, with the wrist-pin C, provided with angles corresponding with the said opening, and a key, a, all arranged and operating substantially as set forth. v
JOHN H. ELWARD.
Witnesses:
W. E. Manns, L. L. Commit.v
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US77181A true US77181A (en) | 1868-04-28 |
Family
ID=2146683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US77181D Expired - Lifetime US77181A (en) | Improvement in wrist-pins foe reapers and mowers |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US77181A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2741142A (en) * | 1952-04-01 | 1956-04-10 | Edgar W Olson | Apparatus for altering the throw of crank means |
-
0
- US US77181D patent/US77181A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2741142A (en) * | 1952-04-01 | 1956-04-10 | Edgar W Olson | Apparatus for altering the throw of crank means |
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