GB494729A - Apparatus for simultaneous and independent front and rear wheel steering for vehicles - Google Patents

Apparatus for simultaneous and independent front and rear wheel steering for vehicles

Info

Publication number
GB494729A
GB494729A GB1219737A GB1219737A GB494729A GB 494729 A GB494729 A GB 494729A GB 1219737 A GB1219737 A GB 1219737A GB 1219737 A GB1219737 A GB 1219737A GB 494729 A GB494729 A GB 494729A
Authority
GB
United Kingdom
Prior art keywords
rod
wheels
steering
frame
rods
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
GB1219737A
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.)
ERNEST FRANK SEWELL
Original Assignee
ERNEST FRANK SEWELL
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 ERNEST FRANK SEWELL filed Critical ERNEST FRANK SEWELL
Priority to GB1219737A priority Critical patent/GB494729A/en
Publication of GB494729A publication Critical patent/GB494729A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
    • B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
    • B62D7/15—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
    • B62D7/1509—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels with different steering modes, e.g. crab-steering, or steering specially adapted for reversing of the vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)

Abstract

494,729. Motor-vehicle steering-gear. SEWELL, E. F. April 29, 1937, No. 12197. [Class 79 (v)] Apparatus for simultaneous and independent front and rear wheel steering comprises a pair of bars 1, 2 arranged side-by-side and respectively connected to the front and rear steering wheels, handoperated means being adapted to lock the bars together for steering all the wheels simultaneously or to release one from the other to permit of steering by front or rear wheels alone, the rear steering-gear being locked when it is. not in use. In the construction shown the front wheels 35 are steered by the usual hand wheel 30 and linkage 32, 33, 34. The rods 1, 2 are formed with racks 3, 7 gearing with wheels 5, 9 pivoted on the frame 6 and connected by crank-pins 42 and slidable universal joints 45 to the track rods 34, 34a of the front and rear wheels. Thus when the rods 1, 2 are locked together and the front wheels are steered, the rear wheels are simultaneously swivelled in the opposite direction. When the rods are disconnected the rear wheels can be steered independently by means of a hand wheel 29 connected to the rod 2 by a sleeve 28, bevel gearing 36, 37 and a pinion 38 gearing with a rack 39 on the rod. The rod 2 can be locked either to the rod 1 for simultaneous steering or to the frame 6 by means of a block 13 slidable transversely in grooves in the rod 2 and provided with locking pins 24 adapted to engage corresponding holes 25 in the rod 1 and the frame. The block 13 is normally urged by a spring 20 to the position shown in Fig. 4 in which the rods 1, 2 are locked together, and can be moved to the right by a hand lever 26 and Bowden cable 15, so as, first, to free the rod 2 from the rod 1, and secondly, to lock the rod 2 to the frame 6 when the rear steering wheels are in the straight ahead position. The block 13 carries a pin 21 sliding in a longitudinal slot 22 in the rod 1, and a pin 14 sliding in a slot 18 in a frame member 19. The universal joint member 45 slides on the crank-pins 42 between the arms of double links 43 connected to the crank-pins and to pins 44 fixed on the frame.
GB1219737A 1937-04-29 1937-04-29 Apparatus for simultaneous and independent front and rear wheel steering for vehicles Expired GB494729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1219737A GB494729A (en) 1937-04-29 1937-04-29 Apparatus for simultaneous and independent front and rear wheel steering for vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1219737A GB494729A (en) 1937-04-29 1937-04-29 Apparatus for simultaneous and independent front and rear wheel steering for vehicles

Publications (1)

Publication Number Publication Date
GB494729A true GB494729A (en) 1938-10-31

Family

ID=10000111

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1219737A Expired GB494729A (en) 1937-04-29 1937-04-29 Apparatus for simultaneous and independent front and rear wheel steering for vehicles

Country Status (1)

Country Link
GB (1) GB494729A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800903A (en) * 1972-01-17 1974-04-02 Caterpillar Tractor Co Coaxial steering wheels for an articulated motor grader
FR2457798A1 (en) * 1979-06-01 1980-12-26 Suroy Freres Simultaneous steering of four trolley wheels - involves drawbar pivot with toothed wheel engaging racks in turn directing wheel pivots
GB2187608A (en) * 1986-03-05 1987-09-09 Plastmetal Sa Loudspeaker for an alarm system
EP2532566A1 (en) 2011-06-10 2012-12-12 Muses Steering structure for simultaneous steering of four steering wheels of an automobile and automobile comprising such a steering structure.
CN106005017A (en) * 2016-06-27 2016-10-12 美通重工有限公司 Novel chassis structure

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800903A (en) * 1972-01-17 1974-04-02 Caterpillar Tractor Co Coaxial steering wheels for an articulated motor grader
FR2457798A1 (en) * 1979-06-01 1980-12-26 Suroy Freres Simultaneous steering of four trolley wheels - involves drawbar pivot with toothed wheel engaging racks in turn directing wheel pivots
GB2187608A (en) * 1986-03-05 1987-09-09 Plastmetal Sa Loudspeaker for an alarm system
EP2532566A1 (en) 2011-06-10 2012-12-12 Muses Steering structure for simultaneous steering of four steering wheels of an automobile and automobile comprising such a steering structure.
FR2976248A1 (en) * 2011-06-10 2012-12-14 Muses STEERING STRUCTURE FOR PROVIDING SIMULTANEOUS DIRECTION OF FOUR WHEELS OF A MOTOR VEHICLE AND MOTOR VEHICLE HAVING SUCH A STEERING STRUCTURE.
CN106005017A (en) * 2016-06-27 2016-10-12 美通重工有限公司 Novel chassis structure
CN106005017B (en) * 2016-06-27 2018-10-30 美通重工有限公司 A kind of novel chassis structure

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