GB573517A - Improvements in or relating to power-operated brakes - Google Patents

Improvements in or relating to power-operated brakes

Info

Publication number
GB573517A
GB573517A GB1690243A GB1690243A GB573517A GB 573517 A GB573517 A GB 573517A GB 1690243 A GB1690243 A GB 1690243A GB 1690243 A GB1690243 A GB 1690243A GB 573517 A GB573517 A GB 573517A
Authority
GB
United Kingdom
Prior art keywords
spring
shoe
brake
weight
magnet
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
GB1690243A
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
Priority to GB1690243A priority Critical patent/GB573517A/en
Publication of GB573517A publication Critical patent/GB573517A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00—Capstans, winches or hoists
    • B66D2700/03—Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

573,517. Spring and weight applied brakes. ELLISTON, E. R. Oct. 14, 1943, No. 16902. [Class 103 (i)] In brakes in which the brake is applied by a spring or weight and is released by a magnet or other power unit, the braking pressure is adjusted by the provision of a second spring or weight against which the application spring or weight acts and which is adjustable. The brake shown comprises a lever 10 pivoted on a brake shoe 1 and connected by linkage 6, 7, 8 to the plunger 4 of a magnet 2. The lever 10 is connected at 15 to a rod 16 slidable in the upper part of the shoes and on one end of which and on a lug 20 on the shoe 1 bears the application spring 18. A second spring 21 bears on the shoe 1 and on adjusting nuts 24 carried by a tubular member 22 slidable on the rod 16 and abutting by its end 23 on the shoe 1a. The spring 21 thus holds the shoes apart when the brake is released and when the brake is applied by de-energizing the magnet acts in opposition to the spring 18 to a degree dependent upon the adjustment of the nuts 24. The effort of the spring 21 may be adjustable from zero up to a value that is equal and opposite to that of the spring 18. The shoes may be moved towards each other to compensate for wear by adjustment of the nuts 26 on the rod 16, the usual adjustable stop 14 being provided for the shoe 1. The spring 18 or both of the springs may be replaced by weight devices. An electrohydraulic thruster power unit may be used instead of a magnet.
GB1690243A 1943-10-14 1943-10-14 Improvements in or relating to power-operated brakes Expired GB573517A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1690243A GB573517A (en) 1943-10-14 1943-10-14 Improvements in or relating to power-operated brakes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1690243A GB573517A (en) 1943-10-14 1943-10-14 Improvements in or relating to power-operated brakes

Publications (1)

Publication Number Publication Date
GB573517A true GB573517A (en) 1945-11-23

Family

ID=10085733

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1690243A Expired GB573517A (en) 1943-10-14 1943-10-14 Improvements in or relating to power-operated brakes

Country Status (1)

Country Link
GB (1) GB573517A (en)

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