GB583871A - Velocipedes - Google Patents

Velocipedes

Info

Publication number
GB583871A
GB583871A GB6763/44A GB676344A GB583871A GB 583871 A GB583871 A GB 583871A GB 6763/44 A GB6763/44 A GB 6763/44A GB 676344 A GB676344 A GB 676344A GB 583871 A GB583871 A GB 583871A
Authority
GB
United Kingdom
Prior art keywords
supplementary
carried
rider
spindle
class
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
GB6763/44A
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.)
JAMES THOMAS BIRD
Original Assignee
JAMES THOMAS BIRD
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 JAMES THOMAS BIRD filed Critical JAMES THOMAS BIRD
Priority to GB6763/44A priority Critical patent/GB583871A/en
Publication of GB583871A publication Critical patent/GB583871A/en
Expired 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
    • B62K3/12—Tandems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

583,871. Tandem cycles. BIRD, J. T. April 12, 1944, No. 6763. [Class 136 (iii)] A cycle of the kind having a supplementary seat pillar 22 arranged behind the main frame and having means for transmitting the rear rider's effort to a forward driving spindle 16, has its wheel base lengthened by such an amount that the rear rider sits behind the leading rider in the same manner and with the same distance between them as the riders of a conventional tandem. The rear seat pillar 22 is carried by supplementary forks 7 containing coil springs and supplementary frame members 10. The rear rider's cranks 15 are secured to a spindle 19 carried in ball bearings in a frame member 9 and drive the front crank axle 16 by a chain 17. The front cranks 12 on the axle 16 drive the rear road wheel hub which is concentric with and carried by ball bearings on the spindle 19. Normal braking, freewheel and multi-speed gear may be embodied and the members 7, 10 may be detachable. Reference has been directed by the Comptroller to Specification 24375/94, [Class 136]
GB6763/44A 1944-04-12 1944-04-12 Velocipedes Expired GB583871A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB6763/44A GB583871A (en) 1944-04-12 1944-04-12 Velocipedes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6763/44A GB583871A (en) 1944-04-12 1944-04-12 Velocipedes

Publications (1)

Publication Number Publication Date
GB583871A true GB583871A (en) 1947-01-01

Family

ID=9820317

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6763/44A Expired GB583871A (en) 1944-04-12 1944-04-12 Velocipedes

Country Status (1)

Country Link
GB (1) GB583871A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2478013A1 (en) * 1980-03-12 1981-09-18 Manenti Rolando PROPULSION DEVICE FOR TWO-PLACE BICYCLES AND TWO-PLACE BICYCLES USING THE DEVICE
US20150096408A1 (en) * 2013-10-08 2015-04-09 Chin Haur Industry Co., Ltd. Dual-Drive Hub Device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2478013A1 (en) * 1980-03-12 1981-09-18 Manenti Rolando PROPULSION DEVICE FOR TWO-PLACE BICYCLES AND TWO-PLACE BICYCLES USING THE DEVICE
US20150096408A1 (en) * 2013-10-08 2015-04-09 Chin Haur Industry Co., Ltd. Dual-Drive Hub Device

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