GB1401727A - Drive assembly for physically propelled vehicles - Google Patents

Drive assembly for physically propelled vehicles

Info

Publication number
GB1401727A
GB1401727A GB3940473A GB3940473A GB1401727A GB 1401727 A GB1401727 A GB 1401727A GB 3940473 A GB3940473 A GB 3940473A GB 3940473 A GB3940473 A GB 3940473A GB 1401727 A GB1401727 A GB 1401727A
Authority
GB
United Kingdom
Prior art keywords
arm
drive
connector
cycle
sprocket
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
GB3940473A
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.)
CYCLE DRIVE CORP
Original Assignee
CYCLE DRIVE CORP
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 CYCLE DRIVE CORP filed Critical CYCLE DRIVE CORP
Priority to GB3940473A priority Critical patent/GB1401727A/en
Publication of GB1401727A publication Critical patent/GB1401727A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M1/00—Rider propulsion of wheeled vehicles
    • B62M1/24—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers
    • B62M1/26—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers characterised by rotary cranks combined with reciprocating levers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)

Abstract

1401727 Cycle propulsion CYCLE-DRIVE CORP 21 Aug 1973 39404/73 Heading B7E Bicycle propulsion is by means of treadles 47 driving the back wheel via a chain 33, the chain passing at its front around sprocket 31, the drive between each treadle and the sprocket consisting of, for the right hand side of the cycle, a lever 46R reciprocatable with the treadle 47R and which is pivoted at 45R to a connector 43R in turn pivoted at 44R to an advance crank arm 42R, this latter being connected by a one-way clutch 41R to a bifurcated crank arm 34R, the clutch allowing rotation of arm 42R relative to arm 34R only in the direction of the rotation of arm 34R about sprocket drive axis DA, and there being between connector 43R and arm 42R a spring 54R which tends to maintain an angle #. In use if the effort applied to treadle 47R does not overcome spring 54R the drive force is transmitted from the connector 43R to crank arm pin 39R, but should the drive force overcome the spring and reduce the angle # then the force is transmitted from the connector to the pivot 44R of the arm 42R. The drive on the left hand side of the cycle is identical but designated with reference letters L and drives the sprocket directly. The pedals on the treadles may be moved between two positions, see. Fig. 3.
GB3940473A 1973-08-21 1973-08-21 Drive assembly for physically propelled vehicles Expired GB1401727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3940473A GB1401727A (en) 1973-08-21 1973-08-21 Drive assembly for physically propelled vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3940473A GB1401727A (en) 1973-08-21 1973-08-21 Drive assembly for physically propelled vehicles

Publications (1)

Publication Number Publication Date
GB1401727A true GB1401727A (en) 1975-07-30

Family

ID=10409363

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3940473A Expired GB1401727A (en) 1973-08-21 1973-08-21 Drive assembly for physically propelled vehicles

Country Status (1)

Country Link
GB (1) GB1401727A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153761A (en) * 1984-02-06 1985-08-29 Edward Millar Dimock Pedal cycle
GB2359285A (en) * 2000-02-16 2001-08-22 Edward Allen Drive apparatus for self-propelled velocipede

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153761A (en) * 1984-02-06 1985-08-29 Edward Millar Dimock Pedal cycle
GB2359285A (en) * 2000-02-16 2001-08-22 Edward Allen Drive apparatus for self-propelled velocipede
GB2359285B (en) * 2000-02-16 2004-04-28 Edward Allen Drive apparatus for a velociped

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees