GB201116270D0 - Eclipse seat-tube 29er frame arrangemnet - Google Patents

Eclipse seat-tube 29er frame arrangemnet

Info

Publication number
GB201116270D0
GB201116270D0 GB201116270A GB201116270A GB201116270D0 GB 201116270 D0 GB201116270 D0 GB 201116270D0 GB 201116270 A GB201116270 A GB 201116270A GB 201116270 A GB201116270 A GB 201116270A GB 201116270 D0 GB201116270 D0 GB 201116270D0
Authority
GB
United Kingdom
Prior art keywords
frame
seat tube
rear wheel
wheelbase
tube
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Withdrawn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
GB201116270A
Other versions
GB2494874A (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.)
MACKIE PAUL S
Original Assignee
MACKIE PAUL S
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 MACKIE PAUL S filed Critical MACKIE PAUL S
Priority to GB201116270A priority Critical patent/GB2494874A/en
Publication of GB201116270D0 publication Critical patent/GB201116270D0/en
Publication of GB2494874A publication Critical patent/GB2494874A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K3/00—Bicycles
    • B62K3/02—Frames
    • B62K3/04—Frames having a substantially horizontal top bar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/02—Cycle frames characterised by material or cross-section of frame members
    • B62K19/04—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity
    • B62K19/10—Combinations of tube and sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/30—Frame parts shaped to receive other cycle parts or accessories
    • B62K19/34—Bottom brackets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

A rigid bicycle frame arrangement comprising a split lower seat tube 9. This arrangement permits the use of a relatively short chain stay 5 resulting in a shortened wheelbase without compromising the geometry of the main members when using 29 inch diameter wheels. The split seat tube allows the rear wheel to partially enter the frame when rear wheel in brought forward reducing the chain-stay length and wheelbase. This arrangement permits desirable geometry of the frame members including seat tube angle, top tube length and seat tube offset. The shortened wheelbase of the bicycle using 29 inch diameter wheels results in desirable handling characteristics. The frame arrangement typically omits a front derailleur to allow the rear wheel to move into a forward position without fouling this mechanism.
GB201116270A 2011-09-21 2011-09-21 Frame with split seat tube Withdrawn GB2494874A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201116270A GB2494874A (en) 2011-09-21 2011-09-21 Frame with split seat tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201116270A GB2494874A (en) 2011-09-21 2011-09-21 Frame with split seat tube

Publications (2)

Publication Number Publication Date
GB201116270D0 true GB201116270D0 (en) 2011-11-02
GB2494874A GB2494874A (en) 2013-03-27

Family

ID=44937591

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201116270A Withdrawn GB2494874A (en) 2011-09-21 2011-09-21 Frame with split seat tube

Country Status (1)

Country Link
GB (1) GB2494874A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2514596B (en) * 2013-05-30 2015-08-05 Bf1 Systems Ltd Improvements to bike frames

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB592920A (en) * 1945-06-12 1947-10-02 John Frederick Leete Improvements relating to cycles
GB322877A (en) * 1928-11-23 1929-12-19 George Fraser Daycock Improvements in or relating to cycle frames
CH261530A (en) * 1948-01-14 1949-05-15 Cappelletti Florio Bicycle frame.
FR2497756A1 (en) * 1981-01-13 1982-07-16 Motobecane Ateliers Frame for racing bicycle - has seat tube split at lower end with spaced connections to crank bracket
US4577879A (en) * 1983-09-19 1986-03-25 Vereyken Franciscus A Bicycle
ES1003542Y (en) * 1987-10-29 1989-02-16 Simon Molina Simon PERFECTED BIKE.

Also Published As

Publication number Publication date
GB2494874A (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)