GB1354636A - Industrial lift trucks - Google Patents

Industrial lift trucks

Info

Publication number
GB1354636A
GB1354636A GB1354636DA GB1354636A GB 1354636 A GB1354636 A GB 1354636A GB 1354636D A GB1354636D A GB 1354636DA GB 1354636 A GB1354636 A GB 1354636A
Authority
GB
United Kingdom
Prior art keywords
steering
wheel
box
drop arm
rack
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
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.)
Coventry Climax Engines Ltd
Original Assignee
Coventry Climax Engines 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 Coventry Climax Engines Ltd filed Critical Coventry Climax Engines Ltd
Publication of GB1354636A publication Critical patent/GB1354636A/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
    • B62D7/08—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in a single plane transverse to the longitudinal centre line of the vehicle
    • B62D7/10—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in a single plane transverse to the longitudinal centre line of the vehicle with single-output steering gear
    • 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
    • B62D7/02—Steering linkage; Stub axles or their mountings for pivoted bogies

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

1354636 Steering vehicles COVENTRY CLIMAX ENGINES Ltd 30 Jan 1973 [4 Feb 1972] 5252/72 Heading B7H A steering arrangement for an industrial lift truck includes a steering box 39 having a drop arm 44 to which is connected a pair of racks 32, each rack 32 steering a wheel 11 of the truck. The geometry of the arrangement is chosen so that the steered wheels 11 turn through different angles, the wheel 11 at the inside of the turn turning more than the wheel 11 at the outside of the turn. As described each wheel 11 is driven by an electric motor and gear-box 12, each wheel assembly 11, 12 being mounted in a wheel carrier 15. Each carrier 15 is mounted for rotation about a vertical axis by means of shaft 19 and bearings 23, 25, and pinions 21 fixed to each shaft 20 mesh with racks 32 slidable in housings 31. The inner ends of each rack 32 are connected by eye-bolts 34 to the drop arm 44 of the steering box 39 which is of the screw and lever type. The input shaft 38 of the steering box 39 is connected to the steering wheel (not shown) via shafts 40, 41 and joints 42. The steering arrangement may be power assisted. The ends of each rack 32 are formed as a piston 32b having a seal 32a and each housing 31 is formed as a cylinder into which pressure fluid may be introduced through port 31a. Supply of pressure fluid to either of the cylinders is controlled by a valve 61 mounted on the drop arm 44. The valve spool 49 is connected to the output shaft 39a of the steering box 39 and is operated by the lost-motion allowed between bolts 64, 65 on the drop arm 44 and a lug 53 on the output shaft 39a.
GB1354636D 1972-02-04 1972-02-04 Industrial lift trucks Expired GB1354636A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB525272 1972-02-04

Publications (1)

Publication Number Publication Date
GB1354636A true GB1354636A (en) 1974-06-05

Family

ID=9792586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1354636D Expired GB1354636A (en) 1972-02-04 1972-02-04 Industrial lift trucks

Country Status (1)

Country Link
GB (1) GB1354636A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0533179A1 (en) * 1991-09-19 1993-03-24 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Three-wheel battery fork-lift truck

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0533179A1 (en) * 1991-09-19 1993-03-24 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Three-wheel battery fork-lift truck
US5277268A (en) * 1991-09-19 1994-01-11 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Three-wheel battery fork-lift truck

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee