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US126051A - Improvement in methods of connecting pitmen - Google Patents

Improvement in methods of connecting pitmen Download PDF

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Publication number
US126051A
US126051A US126051DA US126051A US 126051 A US126051 A US 126051A US 126051D A US126051D A US 126051DA US 126051 A US126051 A US 126051A
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Prior art keywords
pitmen
improvement
methods
motion
pitman
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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
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • 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
    • Y10T403/32—Articulated members
    • Y10T403/32606—Pivoted
    • Y10T403/32631—Universal ball and socket
    • Y10T403/32795—Bifurcated socket

Definitions

  • the first part of my invention relates to a new method of constructing connecting-rods or pitmen to obviate the use of several joints where the movement of one end of the pitman is not in line or on the same plane with the movement of the other end, and at the same time make provision for taking up all the slack or lost motion caused by wear also to simas shown at B and B, one being fixed to the wheel D as a crank, the other to the end of the vibrating lever or sandal G.
  • the pitman A is capable of being adjusted to fit the balls by turning the screws S S, to prevent any lost motion, at the same time permitting free motion sidewise in any direction.
  • E is a temporary stand to hold thepa'rts in position.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Description

THOMAS HALL.
Improvement in Method of Connecting Pitmzln.
Dim 126,051, PatentedApril23,1872.
Illlllllllllllll Witnesses: Inventor:
rrrcn THOMAS HALL, OF NORTHAMPTON, MASSACHUSETTS.
IMPROVEMENT IN METHODS OF CONNECTING PITMEN.
Specification forming part of Letters Patent No. 126,051, dated April 23,1872.
Specification describing certain Improvements in Treadle-Motion for Sewing-Machines and similar purposes, invented by THOMAS HALL, ofNortha-mpton, in the county of Hampshire and State of Massachusetts.
The first part of my invention relates to a new method of constructing connecting-rods or pitmen to obviate the use of several joints where the movement of one end of the pitman is not in line or on the same plane with the movement of the other end, and at the same time make provision for taking up all the slack or lost motion caused by wear also to simas shown at B and B, one being fixed to the wheel D as a crank, the other to the end of the vibrating lever or sandal G. The pitman A is capable of being adjusted to fit the balls by turning the screws S S, to prevent any lost motion, at the same time permitting free motion sidewise in any direction. E is a temporary stand to hold thepa'rts in position.
I 1 make no claim to a ball-andsocket joint simply, as it has before been used for similar purposes in other forms, nor broadly for casting one piece of metal into another but I claim as my invention- The'pitman A, with adjustable cavity or, cavities, and ball or balls 13 B, when used for treadle motion, substantially as set forth.
THOS. HALL. Witnesses:
FREDERICK WIEBF'J, A. H. DIXsoN.
US126051D Improvement in methods of connecting pitmen Expired - Lifetime US126051A (en)

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