Quick release nut

F - Mech Eng,Light,Heat,Weapons – 16 – B

Patent

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Details

F16B 37/08 (2006.01)

Patent

CA 2371190

A quick release nut (1) includes a pair of body members or segments (2, 3) having internal surfaces (4) to be placed around and engage the shaft of a bolt. The segments (2, 3) are movable between an operative position and an inoperative position in which the segments (2, 3) are spaced further apart. A pin (8) and quick release cartridge (15) on segment (2) slide within corresponding channels (12, 18) in segment (3), and a pair of ball bearings (25, 26) provided in the quick release cartridge (15) engage a corresponding groove (28) in the channel (18) to retain the segments (2, 3) in their operative position. The ball bearings (25, 26) are released from the groove (28) by pushing the end of pin (21) axially relative to the quick release cartridge (15).

La présente invention concerne un écrou à montage rapide (1) comprenant une paire d'éléments de corps ou segments (2, 3) dont les surfaces internes (4) permettent d'entourer et d'engager la tige d'un boulon. Ces segments (2, 3) sont mobiles entre une position de travail et une position de repos dans laquelle les segments (2, 3) sont écartés. Une cheville (8) et une cartouche à montage rapide (15) sur le segment (2) glissent à l'intérieur de passages correspondants (12, 18) dans le segment (3), et une paire de roulement à billes (25, 26) contenue dans la cartouche à montage rapide (15) engage une gorge correspondante (28) dans le passage (18) afin de maintenir les segments (2, 3) dans leur position de travail. Les roulement à billes (25, 26) sont libérés de la gorge (28) par poussée de l'extrémité de la cheville (21) exercée axialement par rapport à la cartouche à montage rapide (15).

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