US18845A - Improvement in mechanical movements for sewing and other machines - Google Patents

Improvement in mechanical movements for sewing and other machines Download PDF

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Publication number
US18845A
US18845A US18845DA US18845A US 18845 A US18845 A US 18845A US 18845D A US18845D A US 18845DA US 18845 A US18845 A US 18845A
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sewing
improvement
machines
mechanical movements
wheel
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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
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00Freewheels or freewheel clutches
    • F16D41/06Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
    • F16D41/064Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
    • F16D41/066Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
    • F16D41/067Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation

Definitions

  • Figurel of the accompanying drawings represents a sewing-machine with my improvement, the improvement being shown in red ink 5 Fig. 2, a portion of such machine enlarged, and showing the construction of the improvement.
  • a A represent part of the machine-frame; B, the driving-wheel.
  • the space between the wheel B4 and the frame A A forms a conical recess, in which is placed a roller, r.
  • w is a wire, one end of which passes through the roller r, forming its axis.
  • the other end of the wire is secured to the frame-work of the machine.
  • This wire has just elasticity enough to hold the roller fr in close but easy contact with the wheel B on one side and the frame A A on the other. Vhen thus arranged, the
  • Fig. 3 is an application of the same contrivance to both sides of a wheel, thus avoiding lateral strain.

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

Description

'UNITED STATES PATENT OFFICE.
JAMES HANLEY, OF NEV YORK, N. Y.
IMPROVEMENT IN MECHANICAL MOVEMENTS FOR SEWING AND OTHER MACHINES.
Specilication forming part of Letters Patent No. 18,845, dated December 15, 1857.
T0 all whom, t may concern,.-
Be it known that I, JAMEs HANLEY, o1" No. 14 Sixth Avenue, in the city and State of New York, have invented a new and useful device for preventing sewing and other machines moving in any but the required direction, of which the following is a speciiication.
A great variety of sewing-machines work by the intervention of cams, so that the operation of sewing can only be ei'i'ected when these cams move in one direction; but as some machines are worked by the foot, crank, and iiywheel, like an ordinary lathe, they are difficult to manage when it is necessary to stop or to start. At such times when the crank happens to be on the wrong side of its center, the wheels in connection are moved backward, to the injury of both the machine and the work. It is to obviate these evils that I have iliade the improvement which I now set forth.
Figurel of the accompanying drawings represents a sewing-machine with my improvement, the improvement being shown in red ink 5 Fig. 2, a portion of such machine enlarged, and showing the construction of the improvement.
A A represent part of the machine-frame; B, the driving-wheel. The space between the wheel B4 and the frame A A forms a conical recess, in which is placed a roller, r. w is a wire, one end of which passes through the roller r, forming its axis. The other end of the wire is secured to the frame-work of the machine. This wire has just elasticity enough to hold the roller fr in close but easy contact with the wheel B on one side and the frame A A on the other. Vhen thus arranged, the
wheel B can only be moved in one direction,
and any attempt to move it in the contrary is instantly arrested by the roller r dropping into the narrow part of the recess or jamb.
Fig. 3 is an application of the same contrivance to both sides of a wheel, thus avoiding lateral strain.
The respective letters refer to the same parts y substantially in the manner and for the purpose as herein set forth.
JAMES HANLEY. In presence of- R. G. OVERTON, J. D. HALL.
US18845D Improvement in mechanical movements for sewing and other machines Expired - Lifetime US18845A (en)

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US18845A true US18845A (en) 1857-12-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040098528A1 (en) * 2002-11-20 2004-05-20 Micron Technology, Inc. Active termination control though on module register

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040098528A1 (en) * 2002-11-20 2004-05-20 Micron Technology, Inc. Active termination control though on module register

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