ROUE PIVOTANTE

A castor has a brake rod (20;120;220) extending through a hollow stem (10) on which a body (4) carrying a pair of castor wheels (2) is rotatably mounted. The brake rod is moveable substantially vertically between an inoperative position and a braking position in which its lower end engages the surfa...

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Bibliographic Details
Main Author STAFFORD THOMAS SCREEN
Format Patent
LanguageFrench
Published 14.09.1990
Edition4
Subjects
AXLES FOR WHEELS OR CASTORS
CASTORS
INCREASING WHEEL ADHESION
PERFORMING OPERATIONS
TRANSPORTING
VEHICLE WHEELS
VEHICLES IN GENERAL
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Summary:A castor has a brake rod (20;120;220) extending through a hollow stem (10) on which a body (4) carrying a pair of castor wheels (2) is rotatably mounted. The brake rod is moveable substantially vertically between an inoperative position and a braking position in which its lower end engages the surface on which the wheel (2) rest. Opposition to braking movement can be provided by a return spring (39;222) or by a spring arm (122). Movement of the brake rod can be effected by a cam (140) acting on the spring arm (122) or by a cam (40;240) acting on a lever (35;230) engaging the upper end of the brake rod. The brake rod (10) can be arranged to have an intermediate position in which rotation of the castor body (4) is prevented.
Bibliography:Application Number: FR19860008754