A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 3/026 (2006.01) A47C 3/03 (2006.01)
Patent
CA 2246202
A rocking apparatus has a supported member and a supporting member. The supported member rotatably supported on the supporting member at two distant points on a rotary shaft. The rotary shaft is provided with a reaction force imparting member, which is constantly pushed toward its initial position by a reaction force imparting mechanism, so as to be capable of oscillation. A strut is provided between the reaction force imparting member and the supported member, and the supported member is supported on the reaction force imparting member and the rotary shaft by the three-point support using the connecting members and the strut. Further, a lock mechanism consisting of the locked member having engagement grooves, the lock member fitted in or removed from the engagement groove and a impetus giving member to transmit movement of the operating means to the lock member and elastically give an impetus at least in the direction for removing the lock member from the engagement groove is provided between the supported member and the supporting member, friction between the lock member and the locked member is used to prevent the lock member from coming off when the lock member is tried to be removed from the engagement groove and no load is being applied on the supported member, and the locked state is cancelled by using accumulated spring force to remove the lock member from the engagement groove at the same time when a load is applied on the supported member.
Un appareil oscillant a un élément de support et un élément supporté. L'élément supporté est supporté de façon rotative sur l'élément de support à deux points distants sur un arbre tournant. L'arbre tournant est équipé d'un élément à couple de rappel qui est constamment poussé vers sa position initiale par un mécanisme à couple de rappel, de manière à pouvoir osciller. Une jambe de force relie l'élément à couple de rappel et l'élément supporté, et l'élément supporté est supporté sur l'élément à couple de rappel et l'arbre tournant par le support trois points au moyen des éléments de liaison et de la jambe de force. De plus, un mécanisme de blocage comprenant l'élément bloqué qui a des rainures de mise en prise, l'élément bloqueur logé dans la rainure de mise en prise ou dégagé d'elle et un élément d'impulsion pour transmettre le mouvement du moyen d'actionnement à l'élément bloqueur et pour donner élastiquement une impulsion au moins dans le sens permettant de dégager l'élément bloqueur de la rainure de mise en prise est posé entre l'élément de support et l'élément supporté, le frottement entre l'élément bloqueur et l'élément bloqué est utilisé pour empêcher l'élément bloqueur de s'enlever quand on essaie de le dégager de la rainure de mise en prise et qu'aucune charge n'est appliquée sur l'élément supporté, et on annule l'état bloqué en utilisant la force de ressort accumulée pour dégager l'élément bloqueur de la rainure de mise en prise au même moment qu'on applique une charge sur l'élément supporté.
Sim & Mcburney
Takano Co. Ltd.
LandOfFree
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