B - Operations – Transporting – 25 – D
Patent
B - Operations, Transporting
25
D
B25D 17/24 (2006.01) B25D 17/04 (2006.01) B25F 5/00 (2006.01) B25F 5/02 (2006.01) F16F 15/073 (2006.01)
Patent
CA 2226756
Hand-held or mechanically carried machines that are disturbed by undesirable vibrations generated in the machine housing (10) from a drive mechanism (11, 13) and a tool (12) driven thereby when said mechanism and said tool are in operation are provided with a vibration-damped carrier device (20) which forms a cradle (21-23) in which the machine housing ( 10) is supported by at least two pairs of leaf spring bridges (27, 29; 28, 30). The leaf springs (27, 29; 28, 30) are attached in pairs to the cradle (21-23) and support the machine housing (10) on both sides thereof while being spaced from the housing (10) longitudinally for balanced parallel movement of the cradle in the tool feed direction with the cradle (21-23) vibration-dampened without the need of longitudinal guides between the cradle and the machine housing (10).
Certains outils tenus à la main ou à support mécanique objets de vibrations indésirables produites à l'intérieur de leur carter (10) par le mécanisme d'entraînement (11, 13) et les outil entraînés (12), lorsque ledit mécanisme et ledit outil fonctionnent, sont munis d'un support (20) amortisseur de vibrations en forme de berceau (21-23) à l'intérieur duquel le carter (10) de l'outil repose sur au moins une paire de ressorts à lames (27, 29, 28, 30) en pont fixés par paires au berceau (21 23) et supportant le carter (10) de l'outil sur ses deux côtés, tout en étant séparés longitudinalement du carter (10) pour permettre des déplacements équilibrés parallèles du berceau dans la direction d'action de l'outil. Les vibrations du berceau (21-23) se trouvent ainsi amorties sans qu'on doive avoir recours à des guides longitudinaux reliant le berceau au carter (10) de l'outil.
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