| 摘要 |
A device (1) for launching a projectile, comprising: a stock (2); at least two bending members (10) associated to said stock (2) on opposite sides thereof; tensioning means (323) of said bending members (10), comprising at least two cams (323) arranged on opposite sides of the stock (2), each of which is pivoted at a respective first axis of rotation (33) and is associated to at least one corresponding bending member (10); pushing means (30) of said projectile apt to cooperate with said bending members (10) comprising at least two pushing arms (32) arranged on opposite sides of the stock (2) and connected to each other through a flexible pushing member (31) wherein each of said pushing arms (32) is pivoted at a respective axis of rotation (33) and is apt to support a portion of said flexible pushing member (31), each of said pushing arms (32) being operatively connected to a respective cam (323), wherein said device (1) further comprises a flexible force member (37) for commanding a rotation of a pushing arm (32), and two pairs of pulleys (145, 146) arranged on opposite sides of the stock (2), wherein each pair comprises a first pulley (145) interposed between a respective pushing arm (32).
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