GB201219908D0 - Device to accomplish energy-neutral adjustment of a zero-stiffness mechanism (read gravity equalised structure) using an improved virtual-spring method - Google Patents

Device to accomplish energy-neutral adjustment of a zero-stiffness mechanism (read gravity equalised structure) using an improved virtual-spring method

Info

Publication number
GB201219908D0
GB201219908D0 GB201219908A GB201219908A GB201219908D0 GB 201219908 D0 GB201219908 D0 GB 201219908D0 GB 201219908 A GB201219908 A GB 201219908A GB 201219908 A GB201219908 A GB 201219908A GB 201219908 D0 GB201219908 D0 GB 201219908D0
Authority
GB
United Kingdom
Prior art keywords
rail
equalised
guide
pantograph
semi
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.)
Withdrawn
Application number
GB201219908A
Other versions
GB2495012A (en
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.)
HARPER MEARS CHRISTOPHER
Original Assignee
HARPER MEARS CHRISTOPHER
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 HARPER MEARS CHRISTOPHER filed Critical HARPER MEARS CHRISTOPHER
Publication of GB201219908D0 publication Critical patent/GB201219908D0/en
Publication of GB2495012A publication Critical patent/GB2495012A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
    • F16F3/026—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction to give a zero-spring rate characteristic

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Springs (AREA)

Abstract

A balance support device incorporating a virtual adjusting zero-free length spring within a gravity-equalised structure is provided. The device comprises a semi-circular outer support frame 4 which includes a semi-circular guide-rail. Within the semi-circular guide-rail run the long ends of a pantograph 6 which has a central pivot point 12 located on a vertical guide-rail 5. The adjustment of the pantograph 6 is maintained by a combination of movable guide blocks 13 and fixing means 9 for screwing the guide blocks into the vertical guide-rail 5. Two springs 3 have each of their ends attached to a long end of the pantograph 6 and to a horizontally extending parallelogram arrangement 7. The two springs serve to balance any load applied to a distal end of the parallelogram arrangement 7. The springs can thus be adjusted via a conical-path within the Y-Z-axes to create a resultant centre-line virtual spring force whose spring-length can be altered as is its effective attachment point on the Y axis.
GB201219908A 2012-10-31 2012-11-06 A balance support device incorporating a virtual adjusting zero-free length spring within a gravity-equalised structure Withdrawn GB2495012A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201219568A GB201219568D0 (en) 2012-10-31 2012-10-31 Method to create and utilise a virtual spring to create an energy neutral adjustment of a zero stiffness mechanism

Publications (2)

Publication Number Publication Date
GB201219908D0 true GB201219908D0 (en) 2012-12-19
GB2495012A GB2495012A (en) 2013-03-27

Family

ID=47358929

Family Applications (2)

Application Number Title Priority Date Filing Date
GB201219568A Ceased GB201219568D0 (en) 2012-10-31 2012-10-31 Method to create and utilise a virtual spring to create an energy neutral adjustment of a zero stiffness mechanism
GB201219908A Withdrawn GB2495012A (en) 2012-10-31 2012-11-06 A balance support device incorporating a virtual adjusting zero-free length spring within a gravity-equalised structure

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB201219568A Ceased GB201219568D0 (en) 2012-10-31 2012-10-31 Method to create and utilise a virtual spring to create an energy neutral adjustment of a zero stiffness mechanism

Country Status (1)

Country Link
GB (2) GB201219568D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2501418B (en) * 2013-07-11 2014-03-26 Christopher Harper-Mears Automatically adjusting gravity-equilibrator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4883249A (en) * 1987-02-04 1989-11-28 Garland Thomas A Counterbalancing
NL1029989C2 (en) * 2005-09-20 2007-03-21 Univ Delft Tech Balancing device.
NL2001125C2 (en) * 2007-12-21 2009-06-23 Univ Delft Tech Device for exerting a force on a load.

Also Published As

Publication number Publication date
GB201219568D0 (en) 2012-12-12
GB2495012A (en) 2013-03-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)