GB1485451A - Electrically assisted cycles - Google Patents

Electrically assisted cycles

Info

Publication number
GB1485451A
GB1485451A GB28776/74A GB2877674A GB1485451A GB 1485451 A GB1485451 A GB 1485451A GB 28776/74 A GB28776/74 A GB 28776/74A GB 2877674 A GB2877674 A GB 2877674A GB 1485451 A GB1485451 A GB 1485451A
Authority
GB
United Kingdom
Prior art keywords
chain
motor
switch
cycle
sufficient
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
GB28776/74A
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.)
Lucas Electrical Co Ltd
Original Assignee
Lucas Electrical Co Ltd
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 Lucas Electrical Co Ltd filed Critical Lucas Electrical Co Ltd
Priority to GB28776/74A priority Critical patent/GB1485451A/en
Priority to US05/588,782 priority patent/US3991843A/en
Priority to IN1227/CAL/75A priority patent/IN144948B/en
Priority to IT50236/75A priority patent/IT1040730B/en
Priority to NL7507715A priority patent/NL7507715A/en
Priority to FR7520345A priority patent/FR2276213A1/en
Priority to DE19752528924 priority patent/DE2528924A1/en
Publication of GB1485451A publication Critical patent/GB1485451A/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
    • B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels

Abstract

1485451 Power assisted cycles; anti-theft devices LUCAS ELECTRICAL Ltd 17 June 1975 [28 June 1974 10 Aug 1974] 28776/74 and 35350/74 Headings B7H and B7J A cycle is provided with an electric motor 19 which is actuated by a switch 26 when the upper run of the chain 17 is tensioned and drives the chain wheel 15 via a belt or chain 23. The motor is connected to a frame mounted battery 25 via a handle bar twist grip switch so the cycle may be pedalled normally. With the manual switch closed pedalling force tensions the chain upper run and the motor is actuated and its driving force is sufficient to maintain the tension. To stop the motor the rider opens the manual switch, or opposes the motor drive through the pedals to detension the chain; although the motor drive is sufficient to maintain the chain tension, bumps in the ground surface may be sufficient to detension the chain. An antitheft device comprising a key operated switch for disconnecting the battery may be provided. This device may incorporate means for locking the rear wheel and battery retaining straps. The motor is provided at the output pulley 21 with a free wheel mechanism to allow the cycle to be pedalled normally.
GB28776/74A 1974-06-28 1974-06-28 Electrically assisted cycles Expired GB1485451A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB28776/74A GB1485451A (en) 1974-06-28 1974-06-28 Electrically assisted cycles
US05/588,782 US3991843A (en) 1974-06-28 1975-06-20 Cycles
IN1227/CAL/75A IN144948B (en) 1974-06-28 1975-06-21
IT50236/75A IT1040730B (en) 1974-06-28 1975-06-26 BICYCLE WITH AUXILIARY ELECTRIC MOTOR
NL7507715A NL7507715A (en) 1974-06-28 1975-06-27 BICYCLE.
FR7520345A FR2276213A1 (en) 1974-06-28 1975-06-27 IMPROVEMENTS TO CYCLES, IN PARTICULAR TO BICYCLES
DE19752528924 DE2528924A1 (en) 1974-06-28 1975-06-28 VEHICLE, IN PARTICULAR BICYCLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28776/74A GB1485451A (en) 1974-06-28 1974-06-28 Electrically assisted cycles

Publications (1)

Publication Number Publication Date
GB1485451A true GB1485451A (en) 1977-09-14

Family

ID=10280975

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28776/74A Expired GB1485451A (en) 1974-06-28 1974-06-28 Electrically assisted cycles

Country Status (1)

Country Link
GB (1) GB1485451A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145382A (en) * 1983-08-24 1985-03-27 Nagel Kennedy & Ass Pedal and motor driven tricycle
GB2193936A (en) * 1986-08-14 1988-02-24 Thomas North Electrically assisted pedal vehicle
DE4041375A1 (en) * 1990-12-21 1992-06-25 Otto Gally SPRING BICYCLE
CN108974195A (en) * 2018-06-07 2018-12-11 肇庆高新区徒瓦科技有限公司 A kind of shared bicycle damage monitoring device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145382A (en) * 1983-08-24 1985-03-27 Nagel Kennedy & Ass Pedal and motor driven tricycle
GB2193936A (en) * 1986-08-14 1988-02-24 Thomas North Electrically assisted pedal vehicle
GB2193936B (en) * 1986-08-14 1990-10-10 Thomas North Electrically assisted pedal vehicle
DE4041375A1 (en) * 1990-12-21 1992-06-25 Otto Gally SPRING BICYCLE
US5354085A (en) * 1990-12-21 1994-10-11 Otto Gally Sprung bicycle
CN108974195A (en) * 2018-06-07 2018-12-11 肇庆高新区徒瓦科技有限公司 A kind of shared bicycle damage monitoring device

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee