GB209587A - Levelling apparatus for locomotive jacks - Google Patents

Levelling apparatus for locomotive jacks

Info

Publication number
GB209587A
GB209587A GB3470422A GB3470422A GB209587A GB 209587 A GB209587 A GB 209587A GB 3470422 A GB3470422 A GB 3470422A GB 3470422 A GB3470422 A GB 3470422A GB 209587 A GB209587 A GB 209587A
Authority
GB
United Kingdom
Prior art keywords
bar
switches
motors
actuated
cross
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
GB3470422A
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.)
Whiting Corp
Original Assignee
Whiting Corp
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 Whiting Corp filed Critical Whiting Corp
Priority to GB3470422A priority Critical patent/GB209587A/en
Publication of GB209587A publication Critical patent/GB209587A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, 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
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • B66F7/025—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars screw operated

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

209,587. Golby, F. W., (Whiting Corporation). Dec. 20, 1922. Differential switches; gravity switches; mercury switches; electric-motor actuation; flexible-pull actuation.-In jacks for raising locomotives &c. of the kind comprising a cross-bar each end of which is raised by electrically-actuated mechanism, automatic control mechanism is provided for the. motors which ensures that the crossbar remains parallel to its original position. The bar 22 is raised by screws 16, 18, Fig. 2, actuated by motors 12, 14 through gearing 20. A rope 28 anchored at 30 passes over pulleys 24, 26 on the bar 22, over pulleys 34 on the casing 46 and is connected to a weighted rod 36 movable in guides 38. A block 42 adjustably mounted on the rod 36 when displaced from the position shown by tilting of the bar 22 moves one of the arms 54, 56 and opens the corresponding switch 50, 52 thereby actuating electric control mechanism for the motors 12, 14. In a modification, switches 68, 70, Fig. 4, are actuated by a pendulum 72 suspended from the cross-bar. In another modification a tube 58, Fig. 3, partly filled with mercury is mounted on the cross-bar and is entered at opposite ends by wire terminals 62, 64 of such length that when the bar tilts one of the contacts is broken.
GB3470422A 1922-12-20 1922-12-20 Levelling apparatus for locomotive jacks Expired GB209587A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3470422A GB209587A (en) 1922-12-20 1922-12-20 Levelling apparatus for locomotive jacks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3470422A GB209587A (en) 1922-12-20 1922-12-20 Levelling apparatus for locomotive jacks

Publications (1)

Publication Number Publication Date
GB209587A true GB209587A (en) 1924-01-17

Family

ID=10368914

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3470422A Expired GB209587A (en) 1922-12-20 1922-12-20 Levelling apparatus for locomotive jacks

Country Status (1)

Country Link
GB (1) GB209587A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018096352A1 (en) * 2016-11-28 2018-05-31 Power Towers Limited Locking arrangement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018096352A1 (en) * 2016-11-28 2018-05-31 Power Towers Limited Locking arrangement
GB2556939A (en) * 2016-11-28 2018-06-13 Power Towers Ltd Locking Arrangement
GB2556939B (en) * 2016-11-28 2021-09-08 Power Towers Ltd Locking Arrangement

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