GB714518A - Improvements in or relating to winches - Google Patents

Improvements in or relating to winches

Info

Publication number
GB714518A
GB714518A GB2913251A GB2913251A GB714518A GB 714518 A GB714518 A GB 714518A GB 2913251 A GB2913251 A GB 2913251A GB 2913251 A GB2913251 A GB 2913251A GB 714518 A GB714518 A GB 714518A
Authority
GB
United Kingdom
Prior art keywords
winch
jib
lever
upright
wheel
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
GB2913251A
Inventor
John Stewart
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.)
ACE Machinery Ltd
Original Assignee
ACE Machinery Ltd
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 ACE Machinery Ltd filed Critical ACE Machinery Ltd
Priority to GB2913251A priority Critical patent/GB714518A/en
Publication of GB714518A publication Critical patent/GB714518A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/203—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided by posts, e.g. scaffolding, trees or masts

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

714,518. Cranes. A.C.E. MACHINERY, Ltd. Nov. 25, 1952 [Dec. 12, 1951], No. 29132/51. Classes 78 (4) and 78 (5) [Also in Group XXV] A winch having a friction drive, one component being displaceable by manual means to render the winch operative, has a cylindrical sleeve in a supporting bracket for rotational mounting on a scaffolding or like support, an adjustable jib hinged to the bracket and trip mechanism for automatically stopping the operation of the winch. A winch unit so mounted on a supporting bracket rotatable about an upright 12. The bracket comprises a member 9 which acts as a pivot for the spaced members 14 of the jib and has a clamp 10 for a sleeve 11 slidable upon the upright 12 such as is used for scaffolding, two transverse members which support the winch unit, one member 6 having a handle by which the unit can be rotated about the upright. The jib has a strut 18 with a slot 19 with three notches in which a bolt 21 on the sleeve can be clamped to vary the inclination of the jib. A cable 17 passes from a winch 2 over a pulley 16 over a fall block 25 to an anchorage on the jib. The rope may be attached to a cross pin on the face plates 26 dispensing with the pulley 25. The winch is eccentrically mounted and has axially mounted a wheel 3 which is normally maintained out of engagement with a friction pinion 4 by a weighted lever 5. A hand lever 33 is movable about a pivot which carries plates 35 to which is pivoted a pawl 48 having a shoulder 37 which engages a projection on lever 5. When the handle 33 is lowered the lever 5 is raised to bring wheel 3 into engagement with the friction drive 4. Should the load rise too high it strikes a rod 40 which by rod 41 is connected by a cable 42 to a hook 36 on the pawl to disengage the shoulder from the projection and allow the counterweighted arm to disengage the wheel from the drive.
GB2913251A 1951-12-12 1951-12-12 Improvements in or relating to winches Expired GB714518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2913251A GB714518A (en) 1951-12-12 1951-12-12 Improvements in or relating to winches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2913251A GB714518A (en) 1951-12-12 1951-12-12 Improvements in or relating to winches

Publications (1)

Publication Number Publication Date
GB714518A true GB714518A (en) 1954-09-01

Family

ID=10286677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2913251A Expired GB714518A (en) 1951-12-12 1951-12-12 Improvements in or relating to winches

Country Status (1)

Country Link
GB (1) GB714518A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2301081A (en) * 1995-05-22 1996-11-27 Entecon Ltd Lifting Apparatus
CN113758756A (en) * 2021-09-10 2021-12-07 南京师范大学 Spherical underwater soil sampling device and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2301081A (en) * 1995-05-22 1996-11-27 Entecon Ltd Lifting Apparatus
CN113758756A (en) * 2021-09-10 2021-12-07 南京师范大学 Spherical underwater soil sampling device and method
CN113758756B (en) * 2021-09-10 2024-03-01 南京师范大学 Spherical underwater soil sampling device and method

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