Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1987-01-27
1988-07-19
Jillions, John M.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
280803, 280806, B60R 2240
Patent
active
047579544
ABSTRACT:
A safety belt retractor is provided with a frame that rotatably supports a reel carrying a rolled safety belt and with a pair of ratchet wheels on the opposite ends of the reel. A locking bar is pivotally mounted with respect to the frame for travel into engagement with the ratchet wheels to prevent protraction of the safety belt from the reel. An inertia-sensitive device is mounted on the frame and is movable with respect thereto to actuate the locking bar for engagement with the ratchet wheels. A block-out device for preventing the locking bar from engaging the ratchet wheels when the vehicle door is opened includes a solenoid with a plunger movable in response to the opening of the car door. A rock lever is pivotally mounted with respect to the frame and operatively connected to the plunger. A block-out member is pivotally mounted with respect to the stationary shaft and have a first end operatively connected to the lever, the second end being free and movable into a blocking position to prevent engagement of the locking bar with the ratchet wheels. The block-out device is configured so that when the lever pivots in response to the opening of the car door, the moment exerted on the lever by the solenoid plunger is in the same direction as any moment that would be exerted on the lever due to the locking bar engaging the block-out member.
REFERENCES:
patent: 4209186 (1980-06-01), Close
patent: 4235455 (1980-11-01), Collins et al.
patent: 4251091 (1981-02-01), Weissner et al.
patent: 4570873 (1986-02-01), Kurtti
Gateway Industries, Inc.
Jillions John M.
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