B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 45/00 (2006.01) B23Q 3/157 (2006.01) B25F 5/02 (2006.01)
Patent
CA 2169157
Disclosed is a portable electric power drill (11) having a rotatable cylindrical magazine (19) within the drill housing (13) for storing a tool bit element (73) in each of its plural bores (67), the magazine (19) being rotatable to bring a selected magazine bore (67) in alignment with the central bore (27) of a chuck assembly (15) at the front of the drill (11). A flexible cable (25) is slidable by hand between forward and rearward positions to eject a tool bit element (73) from the magazine (19) to the chuck (15) and to return a tool bit (73) from the chuck (15) to the magazine (19) and the drill (11) includes a mechanism (23) to allow the chuck (15) to be tightened and loosened without the use of a chuck key, or without having to otherwise manually grasp the chuck (15) or associated rotatable parts.
L'invention concerne une perceuse électrique portative (11) possédant un magasin cylindrique rotatif (19) placé dans le corps (13) de la perceuse afin de ranger un élément de foret (73) dans chacun de ses multiples alésages (67), le magasin (19) étant rotatif afin de placer un alésage sélectionné (67) en alignement avec l'alésage central (27) d'un ensemble mandrin (15) se situant à l'avant de la perceuse (11). Un câble flexible (25) peut être coulissé à la main entre des positions avant et arrière afin d'éjecter un élément de foret (73), du magasin (19) vers le mandrin (15) et de renvoyer un élément de foret (13), du mandrin (15), au magasin (19), et la perceuse (11) comprend un mécanisme (23) permettant de serrer et de desserrer le mandrin (15) sans utiliser de clé de serrage, ou sans avoir à prendre le mandrin (15) à la main ou des parties rotatives associées.
Borden Ladner Gervais Llp
Rivera-Bottzeck Otto
LandOfFree
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