US83773A - Improvement in carriage-jack - Google Patents

Improvement in carriage-jack Download PDF

Info

Publication number
US83773A
US83773A US83773DA US83773A US 83773 A US83773 A US 83773A US 83773D A US83773D A US 83773DA US 83773 A US83773 A US 83773A
Authority
US
United States
Prior art keywords
carriage
jack
improvement
plates
standard
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
Application number
Publication date
Application granted granted Critical
Publication of US83773A publication Critical patent/US83773A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F15/00Crowbars or levers

Definitions

  • a pin to' be placed in any one of the openings shown in the standard A, to support the plates -O C', and the levez' at any elevation desired.
  • the object of my invention is to provide a light, strong, compact, and durable carriage-jack, and vone that can be easily manipulated, and be readily adapted to all sizes of wheels.
  • the plates G O andthe levers E, F, and G, should be niade'of iron, While the stand-k ard B may be of Wood.
  • the pin H should be three-fourths to seven-eighths 'of an inch in diameter, as the lWhole Weight raised bears upon it.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Description

admired eer W www i HENRY L. HAMMOND, 0F PRGVIDENCE, RHDE ISLAND.
Letters Patent No. 83,773, dated, November 3, 1868.
IMPROVEMENT IN CARRIAGE-JACK.
The Schedule referred to in these Letters Patent and making part of the same.
To all whom it may concern;
Be it lmown that I HENRY L. HAMMOND, of the city of Providence, in t ze State of Rhode Island, have invented new and useful Improvements' in Carriage- Jacks and I do hereby declare the following to be a fulland exact description of the same, reference being had to the drawings that accompany and form a part of this speeioation, in which- Figure I is a view of the machine in perspective.
Figure II, a sectional view.
Letter A, main standard. Y
Letter B, base to support the 'standard A.
Letters O O', two plates to slide up and down in the slot D.
Figures l, 2, 3, and 4, anges on the plates C and C',
'-to guide them in their movements up and down.
E, a lever lying transvei sely between the plates OG', and extending somewhat on either side, as seen in Fig.
F, working-lever.
G, a stirrup, arranged-as seen in Fig. II, and forming a toggle-joint upon the end of the lever E, and a ,projection on the Workinglever, as shown.
H, a pin to' be placed in any one of the openings shown in the standard A, to support the plates -O C', and the levez' at any elevation desired.
The object of my invention is to provide a light, strong, compact, and durable carriage-jack, and vone that can be easily manipulated, and be readily adapted to all sizes of wheels. The plates G O andthe levers E, F, and G, should be niade'of iron, While the stand-k ard B may be of Wood.
The pin H should be three-fourths to seven-eighths 'of an inch in diameter, as the lWhole Weight raised bears upon it.
What I claim as my invention, and desire to secure by Letters Patent, is-' The flange-plates C and C', in combination with the levers E and F, and the standard A, substantially as described, and for the purposes set forth.
HENRY L. HAIMMOND.
Witnesses:
ISA-Ao PITMAN, JOSHUA F. HAMMOND.
US83773D Improvement in carriage-jack Expired - Lifetime US83773A (en)

Publications (1)

Publication Number Publication Date
US83773A true US83773A (en) 1868-11-03

Family

ID=2153265

Family Applications (1)

Application Number Title Priority Date Filing Date
US83773D Expired - Lifetime US83773A (en) Improvement in carriage-jack

Country Status (1)

Country Link
US (1) US83773A (en)

Similar Documents

Publication Publication Date Title
US57902A (en) Improved spring dirk-knife
US83773A (en) Improvement in carriage-jack
US74512A (en) culver
US58198A (en) Improvement in carriage-jacks
US65095A (en) Nehemiah w
US11183A (en) Improved head-gate for water-wheels
US64946A (en) Self and jacob keechee
US67436A (en) Philip keahee
US52095A (en) Improved pegging-jack
US96072A (en) Improvement in stilts
US66908A (en) George c
US92150A (en) Improved hinge
US84567A (en) James moody
US111560A (en) Improvement in floor-clamps
US59712A (en) Improved boot-jack
US76947A (en) Improvement in oiroulae-saw tables
US57316A (en) Improved block-and-tackle check
US97618A (en) Improved carriage-jack
US52596A (en) Improvement in lifting-jacks
US97927A (en) Improvement in saw-sets
US89226A (en) Improvement in punching-apparatus
US12900A (en) Stave-machine
US89587A (en) Improved sash-lock
US96408A (en) Improved lirting-jack
US42050A (en) Improvement in carriage-jacks