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US59594A - Improvement in steps for upright shafts - Google Patents

Improvement in steps for upright shafts Download PDF

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Publication number
US59594A
US59594A US59594DA US59594A US 59594 A US59594 A US 59594A US 59594D A US59594D A US 59594DA US 59594 A US59594 A US 59594A
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United States
Prior art keywords
improvement
steps
upright shafts
spindle
abraham
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Expired - Lifetime
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/30Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly

Definitions

  • A represents the square frame that supports the spindle B.
  • G is a circular platform, to which the circular' disk D is permanently attached. This disk D has a circular iiange,

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Furnace Charging Or Discharging (AREA)

Description

IUNITED STATES PATENT FEIGE.
ABRAHAM G. HAMAKER, OF EBERLYS MILLS, PENNSYLVANIA.
IMPROVEMENT IN STEPS FOR UPRIGHT SHAFTS.
Specification forming part of Letters Patent N0. 59,594, dated November 13, 1866.
To all whom it may concern:
Be it known that I, ABRAHAM G. HMIAKER, of Eberlys Mills, Cumberland county, and State of Pennsylvania, have invented an lmproved Step for Spindles or Upright Shafts; and l do hereby declare the following to be an exact description thereof, reference' bein g had to the accompanying` drawings, and to the letters of reference marked thereon, making a part of this specieation, in Whieh Figure l represents a side elevation of the spindle operating,` upon three balls; Fig. 2, a top view of the same.
The nature of my invent-ion consists in the arrangement and combination of a roundpointed spindle revolving` upon three balls that revolve in a tlanged disk as a movable step for the spindle.
A represents the square frame that supports the spindle B. G is a circular platform, to which the circular' disk D is permanently attached. This disk D has a circular iiange,
What I claim as my invention, and desire to secure by Letters Patent, is-
The arrangement and combination of a round-pointed spindle revolving,` upon and with three balls as a revolving step, as herein described, and for the purposes set forth.
ABRAHAM G. HAMAKER.
fitnessesz J. FRANKLIN REIGART, JOHN S. HOLLINGSHEAD.
US59594D Improvement in steps for upright shafts Expired - Lifetime US59594A (en)

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US59594A true US59594A (en) 1866-11-13

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US59594D Expired - Lifetime US59594A (en) Improvement in steps for upright shafts

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060136249A1 (en) * 2004-12-17 2006-06-22 Kagan Lloyd D Method for recycling used items

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060136249A1 (en) * 2004-12-17 2006-06-22 Kagan Lloyd D Method for recycling used items

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