GB450249A - Improvements relating to "on and off" castors for furniture - Google Patents

Improvements relating to "on and off" castors for furniture

Info

Publication number
GB450249A
GB450249A GB494/35A GB49435A GB450249A GB 450249 A GB450249 A GB 450249A GB 494/35 A GB494/35 A GB 494/35A GB 49435 A GB49435 A GB 49435A GB 450249 A GB450249 A GB 450249A
Authority
GB
United Kingdom
Prior art keywords
article
raised
castors
furniture
spring
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
GB494/35A
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.)
ALBERT CHARLES BARLTROP
Original Assignee
ALBERT CHARLES BARLTROP
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 ALBERT CHARLES BARLTROP filed Critical ALBERT CHARLES BARLTROP
Priority to GB494/35A priority Critical patent/GB450249A/en
Publication of GB450249A publication Critical patent/GB450249A/en
Priority to BE417296D priority patent/BE417296A/xx
Priority to US99305A priority patent/US2152946A/en
Priority to FR810216D priority patent/FR810216A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
    • B60B33/06—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted retractably

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Legs For Furniture In General (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

450,249. " On and off " castors. BARLTROP, A. C., 55, Dysons Road, Edmonton, London. Sept. 5, 1935, No. 494. [Class 52 (i)] A castor frame mounted beneath a piece of furniture is urged downwardly by spring means which, in the out of use position, is insufficient to counteract the weight of the article but which has an associated pivoted linkage serving to increase the spring action as the article is raised. In the preferred construction a collapsable parallelogram frame is employed having adjustable tension springs mounted across one diagonal, the alteration in shape of the parallelogram as the article is raised, manually or by a lever or other device, serves to increase the lifting moment exerted by the spring so that in the raised position the latter can support the weight of the article.
GB494/35A 1935-09-05 1935-09-05 Improvements relating to "on and off" castors for furniture Expired GB450249A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB494/35A GB450249A (en) 1935-09-05 1935-09-05 Improvements relating to "on and off" castors for furniture
BE417296D BE417296A (en) 1935-09-05 1936-09-03
US99305A US2152946A (en) 1935-09-05 1936-09-03 Wheeled supporting means particularly for furniture
FR810216D FR810216A (en) 1935-09-05 1936-09-03 Improvements to removable trolleys with wheels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB494/35A GB450249A (en) 1935-09-05 1935-09-05 Improvements relating to "on and off" castors for furniture

Publications (1)

Publication Number Publication Date
GB450249A true GB450249A (en) 1936-07-14

Family

ID=9705327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB494/35A Expired GB450249A (en) 1935-09-05 1935-09-05 Improvements relating to "on and off" castors for furniture

Country Status (4)

Country Link
US (1) US2152946A (en)
BE (1) BE417296A (en)
FR (1) FR810216A (en)
GB (1) GB450249A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615451A (en) * 1994-01-10 1997-04-01 Sico Incorporated Roller assembly lift mechanism

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622315A (en) * 1947-10-23 1952-12-23 Charles M O Boyle Bushing puller
US2545515A (en) * 1948-07-24 1951-03-20 Le Febure Corp Vertically adjustable table for office appliances
US2728582A (en) * 1953-05-14 1955-12-27 Dille & Mcguire Mfg Co Means for adjusting the height of lawn mower cut
US2938631A (en) * 1958-01-31 1960-05-31 Eugene E Brey Movable shelf support for kitchen cabinet or the like
US2911272A (en) * 1958-07-24 1959-11-03 Lawrence K Edwards Combination seat and table with spring-blased table top
US3306579A (en) * 1965-07-26 1967-02-28 Walter H Campbell Hoisting truck with parallelogram
US5474311A (en) * 1994-02-25 1995-12-12 Invenio Corporation Vehicle bench seat retractable wheel carriage
CN1161061C (en) * 1996-04-23 2004-08-11 科库友株式会社 Object supporting device
US20130045346A1 (en) * 2011-08-15 2013-02-21 Greif Flexibles Trading Holding B.V. Oriented Tape For The Production Of Woven Fabrics And Products Produced Therefrom

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615451A (en) * 1994-01-10 1997-04-01 Sico Incorporated Roller assembly lift mechanism

Also Published As

Publication number Publication date
FR810216A (en) 1937-03-18
BE417296A (en) 1936-10-31
US2152946A (en) 1939-04-04

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