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INDUSTRIAL APPLICABILITY The present invention is a release of a seat belt retractor used in a
seat belt apparatus for automobiles. [I'm concerned. For example, as disclosed in Japanese Utility
Model Laid-Open Publication No. 50-39920, a door belt is opened and closed (along with which
the guide member of the seat belt is moved back and forth along the roof sight rail. The seat belt
is automatically operated as the door is opened and closed. まt、このようなシートベルト!! A seat belt retractor for winding and unwinding a belt (for example, as shown in U.S. Pat. No.
4,291,897 (as shown in the second, Pauling's pawl engaged with a ratchet provided on the
waping gour) A release mechanism is attached to the vicinity of the retractor, for example, to a
center console box, and even when the ratchet and the pawl are strongly held once, it is known
that the lever is manipulated to remove the pawl from the ratchet. . Problems to be solved by the
invention or when the vehicle is in collision, when the belt wearer is in a state where it is not
possible to operate the release mechanism with its own blade due to injury etc. (Secondly, the
rescue worker opens the door to one room ( You have to work together to operate the release
mechanism, causing problems such as an emergency rescue. Therefore, according to the present
invention, the release operation of the seat belt retractor can be performed from either the
production room side or the vehicle outer side, and the emergency rescue of the occupant can be
facilitated (the release belt made of the seat belt retractor can be provided). It is a thing. Means
for solving the problem Retractor body 1: Webbing spool C bifurcated ratchet and pawl release
lever for engaging and disengaging, while at any part of the vehicle body side and vehicle outside
(: The 'e two operation knobs, the operation of these operation knobs (a pair of release levers
which are respectively operated respectively, and the meshing release lever and the Boden cable
are connected, and are pulled by these release levers to release the meshing A release lever
mechanism comprising an actuating rod for operating the lever is disposed. In the so-called
locked state where the ratchet and pawl of the working seat belt retractor are engaged, when the
operating knob is operated from outside the production room ti11 or flllU, the corresponding
release lever is operated to pull the operating rod. The traction of this actuating rod frees the
Bowden cabling spool to rotate. Embodiments of the present invention will now be described in
detail with reference to the drawings.
FIG. 4 shows an arrangement state of the seat belt 2, which is engaged with a guide 28
connecting one end of the seat belt 2 with a guide rail 4 provided along the roof sight rail 30 and
operated by a door switch When the door 31 is opened, it moves one body forward to release the
restraint of the seat occupant 2 (: L), and when the door 31 is closed, it moves one body
backward. Then, a seat occupant who is working on the seat belt 2 is automatically restrained on
the seat 32. Reference numeral 1 denotes a retractor main body disposed in the vicinity of the
floor and performing winding 1 winding of the seat belt 2. This retractor main body 1 :: 1! In the
process shown in FIG. 1 (= the both ends of the webbing spool 3 (a pair of the two L-chets 4
provided and the engagement release lever 6 of the pawl 5 is rotatably disposed). The pawl 5 is
operated by detecting the deceleration sensor 1 (not shown), and when the deceleration exceeds
a predetermined value, the detection operation of the deceleration sensor occurs; It is swung to
the 4 side, engages with the ratchet 4 to restrain the movement of the webbing spool 3, and
prevents the 7-belt 2 from unwinding. 7 operates the meshing release lever 6 to produce a pawl
5. The release lever mechanism 7 is disposed at an arbitrary part of the release lever mechanism
7, for example, the upper side portion of the center pillar 33. In the release lever mechanism 7
also shown in FIG. 2 (=, the holder portion 8a of the pace plate 8 fixed across the pillar inner 33
& the pillar outer 33 b of the center pillar 33 is inserted and arranged. , And the pair of release
levers 11 which are respectively operated by operation of the operation knobs 9.10. And an
actuating rod 13 connected to the meshing release lever 6 via the Bowden cable 14 and operated
by the release lever 11 ° 12 to operate the meshing release lever 6. In the present embodiment,
the release bar 11 ° 12 is formed in a substantially R shape, and is an arrangement in which the
long arm portions 11 a and 12 B intersect in an X shape and the end portions of the short arm
portions 11 b and 12 b are wrapped. In the state, the levers are pivotally supported on the pace
plate 8 at portions of the respective lever corners and arranged symmetrically. The end portions
of the lever long arm portions 11a and 12JL are joined to the holding portions 9a and 1Qa
formed at the end portions of the operation knob 9.100. The holder part 8b 1m formed on the
actuating rod 13rr1 pace plate 8 is disposed, and the pin 15 protruding from the upper end
thereof is suspended by engaging the upper edges of the lever short arms 11b and 12b. The size
of the pace plate 8 is reduced, and hence the entire mechanism 7 is reduced in size, so that the
inner space of the center pillar 33 can be L -It is.
In FIG. 1, reference numeral 17 denotes an escape display for surrounding the operation knob
9.10. Next (Operation of Two or More Embodiment Devices: Two will be described. Eastward
braking etc. (When the cowl 5 of the retractor main body 1 is firmly held with the ratchet 4 so
that free winding 9 of the seat belt 2 can not be rewound (two, operation on the eyebrow
chamber side When the knob 9 is pushed, the release lever 11 is pivoted to pull up the actuating
rod 13. As a result, the Bowden cable 14 is pulled to pivot the mesh W4 removal lever 6, and the
pawl 5 is removed from the ratchet 4 to free the rotation of the spool 3. During a collision, if the
belt wearer is injured and can not release with 9 self-blades, the rescuer presses the operation
knob IO on the outside of the hook and the release lever 12 is rotated and the actuating rod 13.
Pull up 13 and rotate the engagement release lever 6 via the Bowden cable 14 in the same
manner as described above to remove the bail 5 from the ratchet 4. Therefore, the rescue worker
can open the door 31 and quickly rescue the crew. In the embodiment shown in FIG. 3, the
release levers 11A and 12A are straight levers, and these release levers 11A. In the same manner
as in the previous embodiment (in order to make the two mechanisms 7 compact, the X-shaped
crosses are formed on the base plate 8 so as to be pivotally supported by the base plate 8 so as
to be symmetrical). These release levers 11 & 12 Atff actuating rods 13 are disposed in a state of
being pinched in the front, and a bin 15 protruding from the upper end of the actuating rods 13
is engaged with the upper edges of the respective levers 11A and 12A. It is suspended. The
release levers 11A and 12A project outside the pillar inner 33a and the pillar outer 33b of each
of the other gs center devils 33, and the operation knob 9 is formed with 10A at the protruding
end. Further, in the present embodiment, the middle portion of the actuating rod 13 (= the bin 18
is protruded, and one end of the spring 16 is pressed by the bin 18 to make the actuating rod 13.
Required release force is applied to release lever 11 & 12A. Accordingly, in this embodiment, the
operation knob 9A or 10A is pulled up (it is necessary to release the retractor main body 1). In
the above embodiments, the release lever mechanism 7 is disposed at the center pillar 331 =, but
in addition to this, any part of the plate body such as a front door, a rear door or a back door may
be provided. The effects of the invention can be worked out (in the case of L according to the
invention L, in the normal state, the belt wearer can operate the operation knob on the side of the
interior of the village) to release the retractor at any time. Even if the occupant can not perform
the retractor release operation with his own blade due to injury or the like at the time of a
collision, the rescue worker can release the retractor by operating the operation knob on the
outer side of the vehicle. It has a great practical effect that it can be performed.
Brief description of the drawings
1 is a sectional view showing one embodiment of the present invention, FIG. 2 is a perspective
view of the release lever mechanism of the same embodiment, FIG. 3 is a perspective view
showing another example of the release lever mechanism, and FIG. It is a perspective view
showing the cast state of a belt.
DESCRIPTION OF SYMBOLS 1 ... Retractor main body, 2 ... Seat belt, 3 ... Quebing sugul, 4 ...
Ratchet, 5 ... Baul, 6 ... A meshing release lever, 7 ... Release lever mechanism , 9, 9 A, 10, 10 k...
Operation knob, 11, 11 A. 12、12. A ... release lever, 13 ... actuation rod, 14-... Bowden
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description, jps61119452
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