Locking seat belt retractor
    2.
    发明授权
    Locking seat belt retractor 失效
    锁扣座垫扣

    公开(公告)号:US3667698A

    公开(公告)日:1972-06-06

    申请号:US3667698D

    申请日:1971-01-22

    申请人: FISHER ROBERT C

    发明人: FISHER ROBERT C

    CPC分类号: B60R22/353 B60R22/3416

    摘要: This invention relates to an automatic locking seat belt retractor of the type in which the belt is wound on a spring actuated spool which exerts a constant belt retracting force on the belt while allowing the belt to be extended by manually pulling it off the spool, and in which means are provided for locking the belt against further extension at any desired degree of extension by locking the spool against unwinding rotation, which means operates in response to a limited retracting movement of the spool. The invention resides in an improved and simplified means for effecting such locking action consisting of a pawl and ratchet normally biased to an engaged position in which they prevent unwinding rotation of the spool and a member journaled concentrically with the spool for limited rotation and having a frictional driving connection with the spool. The said member is frictionally driven to one limit of its movement by a limited extension of the belt and in that position holds the pawl out of engagement during further extension. Initial retracting movement at any degree of extension moves the member to a position in which it allows pawl engagement; thereby locking the belt against further extension. The member is preferably so constructed that further retracting movement of the belt moves the member beyond the last mentioned position to a position in which it again holds the pawl out of engagement with the ratchet to minimize noise and wear during retraction. The invention further contemplates means for unlocking the retractor manually and also an improved means for unlocking the retractor or holding it unlocked automatically when the belt is substantially fully retracted, said last mentioned means being driven by the spool and effective to hold the pawl out of engagement when the belt is fully retracted and during a limited initial extension from fully retracted position.

    摘要翻译: 本发明涉及一种自动锁定安全带卷收器,其类型是将带卷绕在弹簧致动的卷轴上,该弹簧致动卷轴在皮带上施加恒定的皮带收缩力,同时通过手动将皮带拉出卷轴来延伸皮带,以及 其中提供了这样的装置,用于通过将卷轴锁定在展开旋转中,以任何期望的伸展程度将带锁定在另一个延伸部上,这意味着响应于卷轴的有限缩回运动而起作用。 本发明在于一种改进和简化的装置,用于实现这样的锁定动作,该锁定动作包括通常被偏压到接合位置的棘爪和棘轮,在棘爪和棘轮中,棘爪和棘轮阻止卷轴的退绕旋转,以及与卷轴同轴地轴颈限定旋转并且具有摩擦 驱动与线轴的连接。 所述构件通过带的有限延伸部被摩擦地驱动到其运动的一个限制,并且在该位置中,在进一步延伸期间将棘爪保持在脱离接合状态。 初始缩回运动以任何程度的延伸将构件移动到允许棘爪接合的位置; 从而将带锁定以防止进一步延伸。 该构件优选地被构造成使得带的进一步的缩回运动将构件超过最后提到的位置移动到其再次将棘爪保持与棘轮接合的位置,以最小化收缩期间的噪音和磨损。

    Seat belt retractor with electric control switch
    5.
    发明授权
    Seat belt retractor with electric control switch 失效
    带电动开关的安全带卷收器

    公开(公告)号:US3862727A

    公开(公告)日:1975-01-28

    申请号:US24592772

    申请日:1972-04-20

    申请人: FISHER ROBERT C

    发明人: FISHER ROBERT C

    IPC分类号: B60R22/48 A62B35/00 B65H75/48

    CPC分类号: B60R22/34 B60R2022/4825

    摘要: A locking seat belt retractor has an electric circuit added thereto containing contacts which are separated to open the circuit when the belt has been unwound a predetermined amount from the spool of the retractor.

    摘要翻译: 锁定安全带卷收器具有添加到其中的电路,当电缆已经从牵开器的线轴展开预定量时,该接触件被分开以打开电路。