GB750478A - Improvements in or relating to control devices in the form of twist-grips - Google Patents

Improvements in or relating to control devices in the form of twist-grips

Info

Publication number
GB750478A
GB750478A GB28007/52A GB2800752A GB750478A GB 750478 A GB750478 A GB 750478A GB 28007/52 A GB28007/52 A GB 28007/52A GB 2800752 A GB2800752 A GB 2800752A GB 750478 A GB750478 A GB 750478A
Authority
GB
United Kingdom
Prior art keywords
flanges
cable
ball
nipple
grip
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
GB28007/52A
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.)
BRUNO RICHARD FARGION
Original Assignee
BRUNO RICHARD FARGION
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 BRUNO RICHARD FARGION filed Critical BRUNO RICHARD FARGION
Priority to GB28007/52A priority Critical patent/GB750478A/en
Publication of GB750478A publication Critical patent/GB750478A/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
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M25/02—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
    • B62M25/04—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers hand actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Flexible Shafts (AREA)

Abstract

750,478. Handle-bar control mechanism. EASTON, H., and FARGION, B. R. Nov. 6, 1953 [Nov. 6, 1952], No. 28007/52. Class 136 (1). A control device in the form of a twist grip has a cable drum formed by flanges 2, 3 on a tube 1, the drum being adapted to receive at least two.Bowden cables 16 the nipples 18 of which rest against the ends of the flanges 2, 3 which extend over only half the circumference of the tube 1. A split housing 5, 6 surrounds the cable drum. The maximum tension applicable to each cable is defined by a loose stop member 20 contained in a channel 8 in the member 6. The nipples 18 are of such a size that they can move in the member 6 but not in the member 5. When the grip is twisted either way, the trailing end of the flanges 2, 3 passes into the member 5 and the nipple 18 rests against the edge of the member 5. Further movement is possible until the nipple at the leading edge of the flanges pushes the member 20 into contact with the aforementioned nipple. The grip is retained in any desired rotational position by a ball 10 urged by a spring 11 into frictional engagement with the flange 3. The control is held in the clutch fully withdrawn position by the ball 10 entering a hole 21 in the flange 3. The ball and spring may be replaced by a ratchet device. As shown in Fig. 4, the cable may be directly adjusted by a knurled nut 23 which engages a threaded member 24. A grub screw 26 engages a longitudinal slot 25 in the member 24. Specification 750,479 is referred to.
GB28007/52A 1952-11-06 1952-11-06 Improvements in or relating to control devices in the form of twist-grips Expired GB750478A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB28007/52A GB750478A (en) 1952-11-06 1952-11-06 Improvements in or relating to control devices in the form of twist-grips

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28007/52A GB750478A (en) 1952-11-06 1952-11-06 Improvements in or relating to control devices in the form of twist-grips

Publications (1)

Publication Number Publication Date
GB750478A true GB750478A (en) 1956-06-13

Family

ID=10268767

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28007/52A Expired GB750478A (en) 1952-11-06 1952-11-06 Improvements in or relating to control devices in the form of twist-grips

Country Status (1)

Country Link
GB (1) GB750478A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218879A (en) * 1961-12-02 1965-11-23 Raleigh Industries Ltd Twist grip controls
US3352173A (en) * 1965-09-23 1967-11-14 Elmer E Freeland Variable transmission gear shift for bicycles
US3364782A (en) * 1966-12-06 1968-01-23 Elmer E. Freeland Modified bicycle gear shift
US4197763A (en) * 1977-07-08 1980-04-15 Yamaha Hatsudoki Kabushiki Kaisha Synchronizing device for wire-activated mechanisms
US4352303A (en) * 1980-03-28 1982-10-05 Gustav Magenwirth Gmbh & Co. Gas control grip for the steering device of a motor-driven double-wheeled vehicle
FR2510508A1 (en) * 1979-06-15 1983-02-04 Saker Selective speed motorcycle twist grip - has two ramps on throttle barrel selectively engaged by cable
US5315891A (en) * 1991-02-13 1994-05-31 Maeda Industries, Ltd. Bicycle speed change operation assembly
US5390565A (en) * 1991-11-11 1995-02-21 Maeda Industries, Ltd. Bicycle speed change system, bicycle speed change method and bicycle speed change operation assembly
US5461936A (en) * 1993-04-01 1995-10-31 Bulkeley; Guy V. O. Motorcycle control lever connector
EP2177737A2 (en) * 2008-10-15 2010-04-21 Steven Richard Scott Variable Rate Push/Pull Twist Trottle
CN113872121A (en) * 2021-11-01 2021-12-31 广东电网有限责任公司 Auxiliary connection method and device for main line cable and electrical equipment

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218879A (en) * 1961-12-02 1965-11-23 Raleigh Industries Ltd Twist grip controls
US3352173A (en) * 1965-09-23 1967-11-14 Elmer E Freeland Variable transmission gear shift for bicycles
US3364782A (en) * 1966-12-06 1968-01-23 Elmer E. Freeland Modified bicycle gear shift
US4197763A (en) * 1977-07-08 1980-04-15 Yamaha Hatsudoki Kabushiki Kaisha Synchronizing device for wire-activated mechanisms
FR2510508A1 (en) * 1979-06-15 1983-02-04 Saker Selective speed motorcycle twist grip - has two ramps on throttle barrel selectively engaged by cable
US4352303A (en) * 1980-03-28 1982-10-05 Gustav Magenwirth Gmbh & Co. Gas control grip for the steering device of a motor-driven double-wheeled vehicle
US5315891A (en) * 1991-02-13 1994-05-31 Maeda Industries, Ltd. Bicycle speed change operation assembly
US5390565A (en) * 1991-11-11 1995-02-21 Maeda Industries, Ltd. Bicycle speed change system, bicycle speed change method and bicycle speed change operation assembly
US5461936A (en) * 1993-04-01 1995-10-31 Bulkeley; Guy V. O. Motorcycle control lever connector
EP2177737A2 (en) * 2008-10-15 2010-04-21 Steven Richard Scott Variable Rate Push/Pull Twist Trottle
EP2177737A3 (en) * 2008-10-15 2011-08-24 Steven Richard Scott Variable Rate Push/Pull Twist Trottle
US9897014B2 (en) 2008-10-15 2018-02-20 Motion Pro, Inc. Variable rate push/pull twist throttle
CN113872121A (en) * 2021-11-01 2021-12-31 广东电网有限责任公司 Auxiliary connection method and device for main line cable and electrical equipment

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