Headband with adjustable device for positioning an optical...

A - Human Necessities – 61 – B

Patent

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Details

A61B 3/00 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2234236

A positioning device for an optical device (10) is formed of two substantially parallel mounting plates (13) which extend laterally outward from a headband (11) and a mounting block (12) affixed to a surface of the optical device. Attached to the headband (11) between the two mounting plates is an adjustable stop, such as a threaded rod (15) and a nut (16) whereby the mounting block pivots into a position resting against the adjustable stop (15, 16). The mounting block is a body having a hole (21) for receiving a pivot pin (19) and two spring balls (20) disposed partially within the body at opposing ends of a line through the body which is parallel to the hole (21) in the body and located below the hole. The mounting block is inserted between the mounting plates and the pivot pin is inserted through the proximal slot (17) in the first mounting plate, a hole (21) and the proximal slot (17) in the second mounting plate.

La présente invention concerne un dispositif de positionnement d'appareil optique (10). Ce dispositif comprend deux platines de montage (13) parallèles disposées latéralement sur l'extérieur d'un serre-tête (11), et un bloc de montage (12) assujetti à une face de l'appareil optique. Une butée réglable montée sur le serre-tête (11) entre les deux platines de montage peut être constituée d'une tige filetée (15) et d'un écrou (16). Par pivotement, le bloc de montage peut arriver en appui sur la butée réglable (15, 16). Le bloc de montage est un corps pourvu d'un perçage (21) permettant de recevoir un axe (19) et deux billes sur ressort (20) disposées partiellement à l'intérieur du corps, aux extrémités opposées d'une ligne traversant le corps parallèlement au perçage (21) réalisé dans le corps, en dessous du perçage. Le bloc de montage est intercalé entre les platines de montage, l'axe étant introduit au travers de la fente proximale (17) ménagée dans la première platine de montage, au travers du perçage (21) et au travers de la fente proximale (17) ménagée dans la seconde platine de montage.

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