GB349765A - Twist-grip controls for cycle handlebars and the like - Google Patents

Twist-grip controls for cycle handlebars and the like

Info

Publication number
GB349765A
GB349765A GB15612/30A GB1561230A GB349765A GB 349765 A GB349765 A GB 349765A GB 15612/30 A GB15612/30 A GB 15612/30A GB 1561230 A GB1561230 A GB 1561230A GB 349765 A GB349765 A GB 349765A
Authority
GB
United Kingdom
Prior art keywords
grip
handle
bar
cable
guide
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
GB15612/30A
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 GB15612/30A priority Critical patent/GB349765A/en
Publication of GB349765A publication Critical patent/GB349765A/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)
  • Steering Devices For Bicycles And Motorcycles (AREA)

Abstract

349,765. Bowden mechanism. ROBINSON, F. J., 11, Warwick Row, Coventry. May 21, 1930, Nos. 15612 and 32614. [Class 80 (iii).] In a twist-grip control for cycle &c. handle-bars, the flexible transmission member passes through a guide on the handle-bar and is secured to the interior of the rotatable sleeve or grip, so that when the grip is actuated, the transmission member is wound in a single helix about the handle-bar, and thus drawn through the guide. In the form shown in Fig. 1, the rotatable sleeve or grip 2 is spaced around the handle-bar 3 and secured to a control cable 4 passing through a guide or eye 5 on a collar 14 supporting the inner end of the sleeve at 15, so that when the grip 2 is rotated in either direction, the cable 4 is wound helically around the handlebar 3 as shown. The outer end of the grip 2 is inwardly flanged at 6 and retained by a flanged split sleeve 8 adapted to be sprung &c. within the open end of the handle-bar. The cable 4 is attached to the grip 2 by means of a tubular nipple 9 fitting within a ferrule 10, which engages a recess in the grip and is longitudinally slotted at 11 to facilitate detachment of the cable. The guide 5 consists of an apertured peg, which may retain the collar 14 on the handle-bar and may form an abutment for the casing 16 of a Bowden transmission. In order to reduce friction, the cable 4 may be wound on a loose tube 50, instead of directly on the handle-bar. In another form, Fig. 2, the grip 17 has a longitudinal bore 18 to receive a longitudinally-slotted screwed ferrule 22 for the nipple 9 of the cable 4, the end portion of which is thus held away from the handle-bar to reduce friction, a helically-disposed guide 20 leading the cable around the handle-bar during winding. Two divergent guides 20 may allow operation of the grip in either direction. The ferrule 22 may be turned, for adjustment and removal, by means of a key engaging its longitudinal slot. The guide peg 28 may pivot in a hole 29 in the handle-bar. In a further modification, the longitudinal bore 18 and guides 20 are formed on the exterior of a rotatable liner, which is secured inside the grip and is provided with an extension of reduced diameter, on which the cable is wound. The rotatable grip may actuate two cables arranged diametrically opposite to one another.
GB15612/30A 1930-05-21 1930-05-21 Twist-grip controls for cycle handlebars and the like Expired GB349765A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB15612/30A GB349765A (en) 1930-05-21 1930-05-21 Twist-grip controls for cycle handlebars and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB15612/30A GB349765A (en) 1930-05-21 1930-05-21 Twist-grip controls for cycle handlebars and the like

Publications (1)

Publication Number Publication Date
GB349765A true GB349765A (en) 1931-06-04

Family

ID=10062263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15612/30A Expired GB349765A (en) 1930-05-21 1930-05-21 Twist-grip controls for cycle handlebars and the like

Country Status (1)

Country Link
GB (1) GB349765A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4966047A (en) * 1987-12-07 1990-10-30 Alwin Krauer Handlebar-mounted cable control
US5370017A (en) * 1993-07-07 1994-12-06 Krauer; Alwin Handlebar cable control with biased return feature
DE4420273A1 (en) * 1994-06-10 1995-12-14 Helmig Hans Gmbh Twist grip for operating bicycle gear shifts

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4966047A (en) * 1987-12-07 1990-10-30 Alwin Krauer Handlebar-mounted cable control
US5370017A (en) * 1993-07-07 1994-12-06 Krauer; Alwin Handlebar cable control with biased return feature
DE4420273A1 (en) * 1994-06-10 1995-12-14 Helmig Hans Gmbh Twist grip for operating bicycle gear shifts
US5666858A (en) * 1994-06-10 1997-09-16 Hans Helmig Gmbh Twist grip for actuating gears of a pedal cycle
EP0686552B2 (en) † 1994-06-10 2004-03-24 Sunrace Sturmey-Archer Inc. A twistgrip for operating the gears of a bicycle

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