US66360A - Nokman king - Google Patents

Nokman king Download PDF

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Publication number
US66360A
US66360A US66360DA US66360A US 66360 A US66360 A US 66360A US 66360D A US66360D A US 66360DA US 66360 A US66360 A US 66360A
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United States
Prior art keywords
lever
king
nokman
valve
arm
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T11/00Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/04Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting mechanically
    • B60T11/08Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting mechanically providing variable leverage
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/20Control lever and linkage systems
    • Y10T74/20558Variable output force
    • Y10T74/2057Variable input leverage

Description

@einen grains ateat @Hina IMPROVEMENT IN` TH'ROTTLE-VALVB GEAR.

@la rlgehu1rsfantt-u in dass Etains zxteut ma milking prat nf tige smits.

mph*

TO ALL WHOM IT MAY CONCERN: y

Be itknown that I, NORMAN KING, of Etna, Allegheny county,.Iennsylvania, have invented a new and improved Throttle-Valve Lever; and I do hereby declare that the following is a full, clear, and exact description thereof, whichwill enable others skilled in the art te make and use the same, reference being had to the accompanying drawing, forming part of this specification.

This invention relates to anew and improved method of operating the throttle-valve of a steam engine; and it consists in the arrangement of two levers which have arms attached, and which have their fulera upon a stationary standard, and which operate in such a manner that the valve is moved with the greatest ease. and can be set or locked in any desired position, as I will new proceed to describe. l

The drawing represents a side elevation of the arrangement, showing the parts in their Yproper places.

A isa stationary standard, which is attached to the boiler or re-box, as may be moist convenient, as seen in the drawing. B is a lever having aslotted arm, C, attached to it, which arm stands at an angle of about fortyve degrees with the lever. The slot is marked D. The lever B has its fulcrum at E in the standard A. F is a lever also having anv arm attached to its lower end, marked G, which arm stands at a right angle with the lever. -The fulerum of this lever is at I-I. A portion of the throttle-valve rod is seen at a in red. On the top end of the lever F there is a roll which works in the slot D, andqt is secured in its place by a pin wliichpasses through the lever, with a thumb-screw and washer on its end, as seen at d e. It will he seerrthat by operating the lever B the roll on the end of the lever F will traverse the slot D, which will give the arm G a vertical motion which will operate the throttle-valve as desired. By the thumb-.screw d the two levers can be fastened together so that the valve can he kept immovable when desired,

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

The standard A, and the levers B and F, with their arms Gand G, constructed, arranged, and operating substantially as shown and described, for the purpose set forth. NORMAN KING.

Witnesses:

JOHN McCANnnnss, THOMAS POWELL.

US66360D Nokman king Expired - Lifetime US66360A (en)

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US66360A true US66360A (en) 1867-07-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2475308A (en) * 1946-11-15 1949-07-05 Gen Electric Circuit breaker
US2878683A (en) * 1956-12-05 1959-03-24 Gen Pacific Corp Fire extinguisher head assembly
US3495476A (en) * 1967-07-08 1970-02-17 Gen Motors Corp Variable-ratio lever mechanisms

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2475308A (en) * 1946-11-15 1949-07-05 Gen Electric Circuit breaker
US2878683A (en) * 1956-12-05 1959-03-24 Gen Pacific Corp Fire extinguisher head assembly
US3495476A (en) * 1967-07-08 1970-02-17 Gen Motors Corp Variable-ratio lever mechanisms

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