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GB191014927A - Improvements in Gear for the Prevention of Overwinding and for Controlling the Speed of Winding and Hauling Engines and the like. - Google Patents

Improvements in Gear for the Prevention of Overwinding and for Controlling the Speed of Winding and Hauling Engines and the like.

Info

Publication number
GB191014927A
GB191014927A GB191014927DA GB191014927A GB 191014927 A GB191014927 A GB 191014927A GB 191014927D A GB191014927D A GB 191014927DA GB 191014927 A GB191014927 A GB 191014927A
Authority
GB
United Kingdom
Prior art keywords
brake
overwinding
screw
governor
wind
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
Application number
Inventor
John Shaw
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191014927A publication Critical patent/GB191014927A/en
Priority to GB191124896D priority Critical patent/GB191124896A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/08—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding

Landscapes

  • Braking Arrangements (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

14,927. Shaw, J. June 21. Overwinding, preventing. - Comprises mechanism for preventing overwinding and excessive speed towards the end of the wind, of the kind in which a travelling nut engages hooks or the like under the control of a governor, thereby actuating trip gear for shutting - off steam and applying a brake. A sleeve L driven from the engine is provided with longitudinal slots at front and rear, and encloses a fixed screw D. Nuts O, P travelling on the screw are provided with lugs projecting through the slots, and are arranged so that one or the other arrives at the centre of the screw as a cage reaches the end of the wind. A pair of stepped tappets R', S' are mounted to slide on substantially vertical levers, which are pivoted at their lower ends, and are adjusted to and from the screw by a governor and lever linkage. If the speed is not suitably reduced towards the end of the wind, the stepped teeth on one of the tappets R', S' are engaged and lifted by the projecting lug on one of the nuts, thereby rocking a pawl E<2> and releasing a weighted bar which controls the brake and throttle. Overwinding and starting in the wrong direction are prevented by the nut engaging lugs on a lever A' which, when tilted, releases a second weighted bar controlling the brake and throttle. The governor-actuated apparatus may be used for opening to exhaust the steam-brake cylinder, thereby allowing a weighted lever to apply the brake gradually, while the action of the overwinding-apparatus may admit steam to the opposite end of the brake cylinder and apply the brake fully.
GB191014927D 1910-06-21 1910-06-21 Improvements in Gear for the Prevention of Overwinding and for Controlling the Speed of Winding and Hauling Engines and the like. Expired GB191014927A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB191124896D GB191124896A (en) 1910-06-21 1911-11-08 Improvements in Gear for the Prevention of Overwinding and for Controlling the Speed of Winding and Hauling Engines and the like.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191014927T 1910-06-21

Publications (1)

Publication Number Publication Date
GB191014927A true GB191014927A (en) 1910-11-17

Family

ID=32562436

Family Applications (2)

Application Number Title Priority Date Filing Date
GB191014927D Expired GB191014927A (en) 1910-06-21 1910-06-21 Improvements in Gear for the Prevention of Overwinding and for Controlling the Speed of Winding and Hauling Engines and the like.
GB191100306D Expired GB191100306A (en) 1910-06-21 1911-01-05 Improvements in Gear for the Prevention of Overwinding and for Controlling the Speed of Winding and Hauling Engines and the like.

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB191100306D Expired GB191100306A (en) 1910-06-21 1911-01-05 Improvements in Gear for the Prevention of Overwinding and for Controlling the Speed of Winding and Hauling Engines and the like.

Country Status (1)

Country Link
GB (2) GB191014927A (en)

Also Published As

Publication number Publication date
GB191100306A (en) 1911-10-26

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