US166844A - Improvement in mechanical movements - Google Patents

Improvement in mechanical movements Download PDF

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Publication number
US166844A
US166844A US166844DA US166844A US 166844 A US166844 A US 166844A US 166844D A US166844D A US 166844DA US 166844 A US166844 A US 166844A
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Prior art keywords
lever
mechanical movements
improvement
rack
pinion
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
    • F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
    • F15B15/065—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement the motor being of the rack-and-pinion type
    • 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
    • Y10T74/18—Mechanical movements
    • Y10T74/18888—Reciprocating to or from oscillating
    • Y10T74/18976—Rack and pinion
    • 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
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8798—With simple oscillating motion only
    • Y10T83/8804—Tool driver movable relative to tool support
    • Y10T83/8807—Gear or ratchet pawl drives toothed tool support

Definitions

  • my invention as applied to a saw-glimmer; but by changing the dies or cutters it may be applied to a great variety vof uses,such as shears, saw'sets, bolt-cutters,
  • a movable jaw pivoted between the side pieces of the frame at the lower end, and supported upon a spring, C, which supports it when freed from the pressure of the lever. It is recessed to receive the upper cutter or die E, which, as illustrated, is attached by a setscrew.
  • a rack, U cast with or bolted to the jaw. Above the rack, but not engaging it, is
  • a lever, F the head of which is rounded eccentrically, substantially as shown, and formed with cogs, the pitch of which corresponds to that of the teeth in the rack.
  • the lever is pivoted onto the side pieces of the frame, which form its fulerum. Between the camformed head of the lever and the rack I place a free pinion, Gr, the teeth of which mesh into both those of the lever-head and the rack.
  • the power can be increased or diminished by set-ting the pinion in or out in commencing the movement.
  • My invention is distinguished from what has been heretofore known in the peculiar form of the lever, whereby the roller, which is intereugaged with both of its adjacent parts, is, by the movement of the lever, forced toward the fulcrum, so as to give a continually-increasing force of pressure.

Description

P. BRADBKS. Mechanical Movements.
Paented Aug.17,1875.
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ya www@ @Jn/w24 NKTERS, nom LxTNuGRAPHER wAsHlNulm D n NITED STATES PATENT (")EEICEt PETEE BEoADBooKs,oE BATAVIA, NEw YORK.
IMPROVEMENT IN MECHANICAL MOVEMENTS.
Speciication forming part of Letters Patent No. 166,844, dated August 17, 1875; application filed January 26, 1875. i
To all whom it may concern:
Beit known that I, PETER BEoADBooKs, of Batavia, in the county'of Genesee and State of New York, have invented a new and useful Improvementin Mechanical Movements, of which the following is a specification:
I have illustrated my invention as applied to a saw-glimmer; but by changing the dies or cutters it may be applied to a great variety vof uses,such as shears, saw'sets, bolt-cutters,
` dies, adjustably attached by wedges at B. G
is the movable jaw, pivoted between the side pieces of the frame at the lower end, and supported upon a spring, C, which supports it when freed from the pressure of the lever. It is recessed to receive the upper cutter or die E, which, as illustrated, is attached by a setscrew. On the upper surface, near the upper end, is a rack, U, cast with or bolted to the jaw. Above the rack, but not engaging it, is
a lever, F, the head of which is rounded eccentrically, substantially as shown, and formed with cogs, the pitch of which corresponds to that of the teeth in the rack. The lever is pivoted onto the side pieces of the frame, which form its fulerum. Between the camformed head of the lever and the rack I place a free pinion, Gr, the teeth of which mesh into both those of the lever-head and the rack.
When the lever is raised, as shown in Fig. l, and the pinion pushed into place, so as to engage with the rack and cam teeth, upon drawing down upon the arm of the lever not only is the pressure of the lever brought to bear on the movable jaw, but the pinion will be caused to turn and move forward in the direction ofthe pivot or fulcrum of the lever, and thereby, as the distance between the resistance (the pinion) and the' fulcrum (the pivot) is constantly shortened, the effective pressure is constantly increased, so that the machine is made to combine the mechanical action of the lever and the wedge, so that I have denominated the lnachine as a rolling wedge power.
A The power can be increased or diminished by set-ting the pinion in or out in commencing the movement.
It is also obvious that a roller can be made to take the place of the geared pinion, as the frictional adherence of the parts will cause it to be drawn forward.`
1 do not claim, broadly, the combination of the lever, the jaw, and the roller, for I am aware that that combination has been used as a means merely of transmitting and applying power, with a View to saving loss of power by friction.
My invention is distinguished from what has been heretofore known in the peculiar form of the lever, whereby the roller, which is intereugaged with both of its adjacent parts, is, by the movement of the lever, forced toward the fulcrum, so as to give a continually-increasing force of pressure.
What I claim as my invention, and desire to secure by Letters Patent, is-
The mode of communicating forward motion to the part C by means of the camheaded lever F and the intermediate and interengaged traveling roller G, substantially as set forth.
In testimony whereof I have signed myname to this specification in the presence of two subscribing witnesses.
PETER BROADBOOKS.
Witnesses:
W. H. BROWN, E. F. WHITNY.
US166844D Improvement in mechanical movements Expired - Lifetime US166844A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996831A (en) * 1973-05-07 1976-12-14 Wilfred Ernest Gale Metal shearing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996831A (en) * 1973-05-07 1976-12-14 Wilfred Ernest Gale Metal shearing machine

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