GB669134A - Improvements in or relating to treadles and like foot-operated mechanism - Google Patents

Improvements in or relating to treadles and like foot-operated mechanism

Info

Publication number
GB669134A
GB669134A GB2254449A GB2254449A GB669134A GB 669134 A GB669134 A GB 669134A GB 2254449 A GB2254449 A GB 2254449A GB 2254449 A GB2254449 A GB 2254449A GB 669134 A GB669134 A GB 669134A
Authority
GB
United Kingdom
Prior art keywords
treadle
linkage
operator
link
lifter
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
GB2254449A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2254449A priority Critical patent/GB669134A/en
Publication of GB669134A publication Critical patent/GB669134A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • G05G1/46—Means, e.g. links, for connecting the pedal to the controlled unit
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • G05G1/44—Controlling members actuated by foot pivoting
    • G05G1/445—Controlling members actuated by foot pivoting about a central fulcrum
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/52—Controlling members specially adapted for actuation by other parts of the human body than hand or foot

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

669,134. Treadle mechanism, BRICKLAND, F. J. Aug. 4, 1950 [Aug. 30, 1949], No. 22544/49. Class 136 (ii). A treadle mechanism has a lifter member engaged by the operator's knee and lifted thereby and means connecting the treadle and lifter so that downward movement of the treadle returns the lifter downwards to the beginning of its next operative stroke. As shown in Fig. 4 the treadle 50 is connected by a linkage 57 to a knee member 56 and by a linkage 52 to a fitting 51 upon the steering head of the bicycle. A link 53 connects the member 56 with a crank 54 mounted on the spindle 55 of the chain wheel 58 which is connected by a driving chain 59 with a sprocket 60. The treadle is mounted on a rod 49 on an extension 47 of the tube 46. With the feet on the treadles and the cyclist's knees engaging the members 56 the cycle is propelled as the treadle is oscillated. As shown in Fig. 1 the treadle 14 is mounted on a shaft 15 secured to side members 11, 12 and has links 21, 22 pivotally connected to bars 18, 19. The bars are pivoted to a fixed bar 20 and support a cross bar 17. The treadle also has a link 25 secured to a crank 28 mounted on the spindle 29 of a flywheel 30. With the operator's feet on the treadle the bar 17 continuously engages the knees of the operator during the movement of the treadle and assists the drive. In a modification the treadle for a cycle Fig. 6 has a toe pad 64 pivotally mounted on the rod 49 and between members 63, a heel pad 64, and a slot 65 for adjustably positioning the link 57. The linkage may be adjustable to suit the operator and the arrangement of the linkage may be varied.
GB2254449A 1949-08-30 1949-08-30 Improvements in or relating to treadles and like foot-operated mechanism Expired GB669134A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2254449A GB669134A (en) 1949-08-30 1949-08-30 Improvements in or relating to treadles and like foot-operated mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2254449A GB669134A (en) 1949-08-30 1949-08-30 Improvements in or relating to treadles and like foot-operated mechanism

Publications (1)

Publication Number Publication Date
GB669134A true GB669134A (en) 1952-03-26

Family

ID=10181125

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2254449A Expired GB669134A (en) 1949-08-30 1949-08-30 Improvements in or relating to treadles and like foot-operated mechanism

Country Status (1)

Country Link
GB (1) GB669134A (en)

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