Free-spooling retractor for vehicle of restraint system专利检索-卷闸门，大门和窗户专利检索查询-专利查询网

Free-spooling retractor for vehicle of restraint system

阅读：374发布：2022-12-07

专利汇可以提供Free-spooling retractor for vehicle of restraint system专利检索，专利查询，专利分析的服务。并且A safety restraint system for use in a vehicle, such as an automobile, includes a lap strap which in the active position circumscribes the lap of an occupant on a vehicle seat the outboard end of the strap being connected to a retractor. The retractor is mounted on the lower rearward corner portion of the vehicle door adjacent the seat and is of the type commonly known as an auto-lock retractor. The retractor includes a rotatably mounted reel around which the strap is wound and from which it may be protracted, a ratchet reel mounted on the reel and rotatable therewith, and locking means including a pawl for selective engagement with the ratchet wheel. In normal operation, protraction of the strap to permit the strap to be secured around the occupant followed by slight retraction moves the pawl into engagement with the ratchet wheel to prevent further protraction thus precluding the occupant from moving forward in the event that the vehicle is in a collision. Free spooling means is provided which includes a pivotally mounted lever, one end of which is in selective engagement with the pawl to render the pawl inactivatable so that the reel will free-spool and the other end of which is engageable with a trip arm mounted on the vehicle adjacent the rearward lower end of the door. When the door is closed, the pawl is activatable and the retractor functions in its normal manner. When the door is opened, the reel is permitted to free-spool so that the strap may be protracted while the door is opening and simultaneously moving the strap to an out-of-theway position without any active participation on the part of the occupant enabling the occupant to leave the vehicle.，下面是Free-spooling retractor for vehicle of restraint system专利的具体信息内容。

权利要求

1. In a passive safety restraint system for use in a vehicle having a seat and an adjacent door, the combination comprising: an auto-lock retractor carried on the lower rearward corner portion of the door, the retractor comprising a housing, a reel mounted for rotation in said housing and around which a safety strap is wound when fully retracted and from which the strap may be protracted, raTchet wheel means fixedly mounted on the reel for rotation therewith, and locking means including a pivotally mounted pawl for selective engagement with the ratchet wheel means to prevent protraction of the strap after a pres-selected length of strap is protracted and permitted to slightly retract so that the reel is in a locked condition; a lever pivotally mounted on said housing intermediate the ends thereof, one end of said lever in selective engagement with said pawl; spring means biasing said lever to an operative position in engagement with said pawl whereby said pawl is inactivatable; and trip means fixedly mounted on the vehicle adjacent the lower rearward corner of the door for selective engagement with said lever, said trip means moving said lever to an inoperative position when the door is closed and moving said lever to said operative position when the door is opened, whereby said pawl is activatable in response to protraction and retraction when the door is closed and is inactivatable when the door is open so that upon opening of the door, the reel will free spool allowing the strap to be protracted.

2. The safety restraint system of claim 1 wherein said vehicle is provided with a door jamb extending inwardly from the exterior surface of the vehicle and into which the door fits and said trip means is mounted on the door jamb in an out-of-the-way position.

3. The vehicle safety restraint system of claim 1 wherein the opposite end of the safety strap is secured to the vehicle floor at a location spaced inwardly from the door whereby the strap circumscribes the lap of an occupant in the vehicle seat adjacent the door when the door is closed and wherein opening of the door causes protraction of the strap moving the downward end of the strap forwardly to permit side egress of the occupant out of the vehicle.

4. The safety restraint system of claim 2 additionally including a manually operable arm pivotally mounted on said housing, one end of said arm in engagement with the pawl, a spring biasing the arm to position and the pawl toward said ratchet wheel means, said arm being movable to move said pawl to an inactivatable position permitting free spooling of the retractor reel.

5. The safety restraint system of claim 4 additionally including a stop pin mounted on said retractor housing to limit pivotal movement of said lever.

6. The safety restraint system of claim 1 wherein the end of said lever is provided with a notch and said trip means comprises an arm receivable in said notch when the door is closed to prevent movement of said lever from said inoperative position when the door is closed.

说明书全文

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Free-spooling retractor for vehicle of restraint system

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