US838700A - Crank for drilling-machines. - Google Patents

Crank for drilling-machines. Download PDF

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Publication number
US838700A
US838700A US25313105A US1905253131A US838700A US 838700 A US838700 A US 838700A US 25313105 A US25313105 A US 25313105A US 1905253131 A US1905253131 A US 1905253131A US 838700 A US838700 A US 838700A
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United States
Prior art keywords
crank
drilling
machines
yoke
shaft
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Expired - Lifetime
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US25313105A
Inventor
John Hickman Engleman
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Individual
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Individual
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Priority to US25313105A priority Critical patent/US838700A/en
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Publication of US838700A publication Critical patent/US838700A/en
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Expired - Lifetime legal-status Critical Current

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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
    • 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

  • This invention relates to cranks for drillingmachines.
  • the object of the invention is to provide novel means whereby the drill may impart full free force of its blow, the lifting of the drill may be effected in a rapid manner and with the least possible wear upon the drillrope, and the stroke of the drill may be varied whenever found necessary or desirable.
  • Figure 1 is a view of a portion of a drilling-machine, showing my vimproved crank used in connection therewith; and Fig. 2 is a detail sectional view of the crank on an enlarged scale.
  • A is a welldrilling machine of any preferred form and embodying in its construction shaft-sections 17, disposed in aline ment and spaced apart at their inner ends.
  • a crank 18 Arranged upon these shaft-sections is a crank 18, comprising a pair of sleeves 19, which are suitably secured to the shaftsections.
  • Each sleeve is provided with a longitudinally-channeled arm 20, which extends at right angles therefrom and is provided with a longitudinal slot 21.
  • Disposed within the channels of the arms are the members 22 of a yoke, the bend or crest 23 of which carries a grooved sheave 24.
  • the members 22 of the yoke carry bolts 26, which project through the slots 21 and carry nuts 27 on their outer ends, by which they may be clamped at any desired adjustment. It will therefore be seen that by loosening the nuts 27 the yoke members 22 may be moved to and from the shaft portions, and thus lengthen or shorten the throw of the crank, as may be desired.
  • the drill-rope of a drilling-machine may be placed upon the sheave and the stroke of the drill will be regulated according to the length to which the crank is adjusted.
  • a crank for drilling-machines comprising a pair of longitudinally-channeled arms,
  • a crank for drilling-machines comprising a two-part shaft, oppositelydisposed alining sleeves mounted on the adjoining ends of the shaft, longitudinally channeled and slotted arms extending from the sleeves, a yoke slidably mounted within the channels, means within the slots for securing the yoke in adjusted position, and a shaft carried by the yoke.

Description

No. 838,700. PATENTED DEC. 18, 1906.
J. H. ENGLEMAN.
CRANK FOR DRILLING MACHINES.
APPLIUATION FILED 111153.31. 1905- wmzizwzemwb,
Witnesses- Inventor,
fi Attorneys.
1H: NORRIS PETERS ca, wAsrl/rmrcm, u. r:v
JOHN HICKMAN ENGLEMAN, OF EMORY, TEXAS.
CRANK FOR DRILLING-MACHINES.
Specification of Letters Patent.
Patented Dec. 18, 1906.
Application filed March 31,1905. Serial No. 253.131.
To all whom it may concern.-
Be it known that I, JOHN HIcKMAN ENGLE- MAN, a citizen of the United States, residing at Emory, in the county of Rains and State of Texas, have invented a new and useful Crank for Drilling-Machines, of which the following is a specification.
This invention relates to cranks for drillingmachines.
The object of the invention is to provide novel means whereby the drill may impart full free force of its blow, the lifting of the drill may be effected in a rapid manner and with the least possible wear upon the drillrope, and the stroke of the drill may be varied whenever found necessary or desirable.
\Vith the above and other objects in view the invention consists of certain novel features of construction and combinations of parts, which will be hereinafter more fully described, and pointed out in the claims.
I11 the accompanying drawings is shown the preferred form of the invention.
In the drawings, Figure 1 is a view of a portion of a drilling-machine, showing my vimproved crank used in connection therewith; and Fig. 2 is a detail sectional view of the crank on an enlarged scale.
Referring to the figures by characters of reference, A is a welldrilling machine of any preferred form and embodying in its construction shaft-sections 17, disposed in aline ment and spaced apart at their inner ends. Arranged upon these shaft-sections is a crank 18, comprising a pair of sleeves 19, which are suitably secured to the shaftsections. Each sleeve is provided with a longitudinally-channeled arm 20, which extends at right angles therefrom and is provided with a longitudinal slot 21. Disposed within the channels of the arms are the members 22 of a yoke, the bend or crest 23 of which carries a grooved sheave 24. The members 22 of the yoke carry bolts 26, which project through the slots 21 and carry nuts 27 on their outer ends, by which they may be clamped at any desired adjustment. It will therefore be seen that by loosening the nuts 27 the yoke members 22 may be moved to and from the shaft portions, and thus lengthen or shorten the throw of the crank, as may be desired. By providing a crank of this character the drill-rope of a drilling-machine may be placed upon the sheave and the stroke of the drill will be regulated according to the length to which the crank is adjusted.
I claim 1. A crank for drilling-machines comprising a pair of longitudinally-channeled arms,
sleeves carried by said arms, a two-part shaft secured in the sleeves, and a yoke adjustably mounted in the channels of the arms.
2. A crank for drilling-machines comprising a two-part shaft, oppositelydisposed alining sleeves mounted on the adjoining ends of the shaft, longitudinally channeled and slotted arms extending from the sleeves, a yoke slidably mounted within the channels, means within the slots for securing the yoke in adjusted position, and a shaft carried by the yoke.
In testimony that I claim the foregoing as my own I have hereto affixed my signature in the presence of two witnesses.
JOHN HICKMAN ENGLEMAN.
Witnesses:
J. R. J ETER, S. A. FITZGERALD.
US25313105A 1905-03-31 1905-03-31 Crank for drilling-machines. Expired - Lifetime US838700A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US25313105A US838700A (en) 1905-03-31 1905-03-31 Crank for drilling-machines.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25313105A US838700A (en) 1905-03-31 1905-03-31 Crank for drilling-machines.

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US838700A true US838700A (en) 1906-12-18

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US25313105A Expired - Lifetime US838700A (en) 1905-03-31 1905-03-31 Crank for drilling-machines.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075782A (en) * 1960-02-15 1963-01-29 Sr Harm A Weber Child's rocking vehicle with figure simulation
US4557161A (en) * 1983-11-21 1985-12-10 Desousa Egas J Infinitely variable rotary drive transmission

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075782A (en) * 1960-02-15 1963-01-29 Sr Harm A Weber Child's rocking vehicle with figure simulation
US4557161A (en) * 1983-11-21 1985-12-10 Desousa Egas J Infinitely variable rotary drive transmission

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