Abstract: The invention concerns a height adjustment device (1) for a handle (4) of a rollator, comprising: —an inner tube (2) telescopically received in an outer tube (3), the handle (4) of the rollator being connected at the upper end of said inner tube (2), —a locking assembly (10) adapted to lock the inner tube (2) in a fixed position with regard to the outer tube (3), —an unlocking assembly (20) adapted to unlock the inner tube (2) from said fixed position.

Abstract: The invention concerns a height adjustment device (1) for a handle (4) of a rollator, comprising:—an inner tube (2) telescopically received in an outer tube (3), the handle (4) of the rollator being connected at the upper end of said inner tube (2),—a locking assembly (10) adapted to lock the inner tube (2) in a fixed position with regard to the outer tube (3),—an unlocking assembly (20) adapted to unlock the inner tube (2) from said fixed position.

Abstract: A handle brake device comprising: —a housing fixable onto the handlebar of the wheelchair or the wheeled walker, —a brake lever rotatably installed on said housing , —a transmission cable connected to said brake lever through a cable connector, said cable connector defining a connecting point, characterized in that the brake lever comprises a first arc hole and a second arc hole, inside each of which a pivot pin fixedly connected to said housing is slideably engaged in such a manner as to provide dual pivot for the brake lever, respectively a first pivot and a second pivot.

Abstract: The invention concerns a handle brake device (10) suitable for being installed on a handlebar (11) of a wheelchair, a wheeled walker, a bicycle, a motorbike, a scooter or any type of transportation device that makes use of a manually driven brake to control a transmission cable connected at one end to the hand brake device (10) and at the other end to a brake mechanism mounted on a wheel of the wheelchair or the wheeled walker comprising:—a housing (1) fixable onto the handlebar (11) of the wheelchair or the wheeled walker,—a brake lever (2) rotatably installed on said housing (1),—a transmission cable connected to said brake lever (2) through a cable connector (4), said cable connector (4) defining a connecting point, characterized in that the brake lever (2) comprises a first arc hole (16) and a second arc hole (17), inside each of which a pivot pin (13?, 13?) fixedly connected to said housing (1) is slideably engaged in such a manner as to provide dual pivot for the brake lever (2), respectively a first pi