GB422580A - Improvements in and relating to mechanism for raising and lowering windows, shuttersand the like - Google Patents

Improvements in and relating to mechanism for raising and lowering windows, shuttersand the like

Info

Publication number
GB422580A
GB422580A GB2183133A GB2183133A GB422580A GB 422580 A GB422580 A GB 422580A GB 2183133 A GB2183133 A GB 2183133A GB 2183133 A GB2183133 A GB 2183133A GB 422580 A GB422580 A GB 422580A
Authority
GB
United Kingdom
Prior art keywords
casing
levers
shuttersand
raising
relating
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
GB2183133A
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.)
Thos W Ward Ltd
Original Assignee
Thos W Ward 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 Thos W Ward Ltd filed Critical Thos W Ward Ltd
Priority to GB2183133A priority Critical patent/GB422580A/en
Publication of GB422580A publication Critical patent/GB422580A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10—Counterbalance devices
    • E05D13/12—Counterbalance devices with springs
    • E05D13/1207—Counterbalance devices with springs with tension springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/55—Windows

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

422,580. Balancing-apparatus. WARD, Ltd., T. W., Albion Works, Sheffield, and PRATT, F. G., 55, Pall Mall, London. Aug. 3, 1933, No. 21831. [Class 78 (ii)] [See also Group X] A balancing device for a sliding shutter or the like comprises a spring or springs enclosed in a watertight casing and acting on squared lever fulcrums 4, which pass through glands 9 in the casing and are connected to the lifting levers 6. Non-corrosive washers 10 are placed on the ends of the fulcrums inside the locking collars 7 and levers 6. Two or more bearings 5 are provided in the casing, which is closed at the ends by screw caps 3. Compression springs acting on cam-shaped levers may be substituted for the tension springs.
GB2183133A 1933-08-03 1933-08-03 Improvements in and relating to mechanism for raising and lowering windows, shuttersand the like Expired GB422580A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2183133A GB422580A (en) 1933-08-03 1933-08-03 Improvements in and relating to mechanism for raising and lowering windows, shuttersand the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2183133A GB422580A (en) 1933-08-03 1933-08-03 Improvements in and relating to mechanism for raising and lowering windows, shuttersand the like

Publications (1)

Publication Number Publication Date
GB422580A true GB422580A (en) 1935-01-15

Family

ID=10169538

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2183133A Expired GB422580A (en) 1933-08-03 1933-08-03 Improvements in and relating to mechanism for raising and lowering windows, shuttersand the like

Country Status (1)

Country Link
GB (1) GB422580A (en)

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