KR101211260B1 - Improved Welding Device For Side Frame of Vehicle Seat - Google Patents

Improved Welding Device For Side Frame of Vehicle Seat Download PDF

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Publication number
KR101211260B1
KR101211260B1 KR1020100034292A KR20100034292A KR101211260B1 KR 101211260 B1 KR101211260 B1 KR 101211260B1 KR 1020100034292 A KR1020100034292 A KR 1020100034292A KR 20100034292 A KR20100034292 A KR 20100034292A KR 101211260 B1 KR101211260 B1 KR 101211260B1
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South Korea
Prior art keywords
welding
pressing
fastener
frame
base plate
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KR1020100034292A
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Korean (ko)
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KR20110114908A (en
Inventor
권종만
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(주)다우테크놀로지
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Publication of KR20110114908A publication Critical patent/KR20110114908A/en
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Abstract

A welding apparatus for a side frame of a vehicle seat, comprising: a square base plate (10); An operating rod 20 for elevating through the base plate 10; A lift table 30 which is lifted by the operating rod 20 and formed in front and rear at an upper end of the operating rod 20; A guide rod 40 supporting lower and front ends of the lifting table 30 and lifting up and down in an inserted state in the guide cylinder 45; A first crossbar 50 coupled to the front of the platform 30 and extending from side to side and having member pressing means 55 downwardly formed at both ends; A second crossbar 60 coupled to the rear of the platform 30 and extending from side to side; A first fastener pressing and nut concealment means 70 coupled downward to the right side of the second crosspiece 60; A second fastener pressurizing and nut concealing means (80) coupled downward to the left side of the second crosspiece (60); Two front support parts 90 protruding from both front upper surfaces of the base plate 10; Two rear support parts 110 protruding from both rear upper surfaces of the base plate 10; Two guide means (120) protruding from the center upper surface of the base plate (10) to form a front and rear direction guide (121); And a shiotou (CO 2 ) welding device 130 for welding the fastener F located in the member to the member by the welding machine 131 operated by the robot 139.

Description

Improved Welding Device For Side Frame of Vehicle Seat}
The present invention relates to a welding device for a vehicle seat side frame with improved structure, more specifically, a fastener (F) for fixing both ends of the connecting rod (P1) connecting the two side frames to the side frame corresponding to the side frame A structure for welding to parts relates to an improved welding device for a vehicle side frame.
The present invention relates to a welding device for a vehicle seat side frame with improved structure, first of all looks at with respect to the vehicle seat side frame. In the drawing of Patent 10-0636957 [Vehicle Seat Sliding Device], there is shown a structure of a general vehicle seat side frame although the structure is not exactly the same as the seat frame used in the present invention. In addition, Patent Document 1998-0008730 discloses a structure of a seat frame for an automobile.
Vehicle seat side frame structure is shown in Figure 1 of the patent 10-0636957, the front bracket fixed to the vehicle body and the lower track fastened to the upper, the upper track is located so as to slide the lower track, the upper At the top of the track there is a side frame, and a seat cushion frame that is integrally fastened with the upper track. In addition, a locking member for fixing after sliding the upper track relative to the lower track is provided between the upper track and the side frame.
6 is a view showing the configuration of the upper track, the side frame, and the locking member used in the present invention. As shown in FIG. 6, the side frame 1 has a narrow elongated horizontal plate 2, a wide vertical plate 3, and a latching member 4 interposed therebetween, which are substantially perpendicular to each other. ) And an upper track (T) fastened by riveting.
7 shows a connecting rod P1 connecting both side frames. In general, there may be a number of ways to couple the connecting rod to the side frame, but the length is short and the pin passing hole (Hole) is extrapolated at both ends of the fastener (F) is formed by fastening with a fixing pin.
In general, before the fastener F is welded to one point of the vertical plate 3, a process of attaching a plurality of (2 to 3) nuts N for coupling the side frame 1 and the seat cushion frame is performed. Is performed. Conventionally, there are many parts where welding is done manually and the side frame structure is not simple, so there are many aspects that are difficult to automate welding. In case of automation, there is a problem of poor quality in the welding position due to the lack of precise gripping. There was a problem caused by poor quality.
In addition, the welding spark penetrates into the screw thread of the welded nut at a predetermined position and is fixed, so that bolts are not inserted in the step of joining the seat cushion frame to the side frame in a later step, leading to poor quality.
The present invention solves the conventional problems, can be easily positioned in the welding device when welding, and after positioning is made precise and reliable gripping can be welded precisely in the correct position to reduce the occurrence of quality defects for improved vehicle To provide a welding device for a seat side frame.
In addition, after the welding spark penetrates into the screw thread of the welded nut at a predetermined position and is fixed, the bolts are not inserted in the step of joining the seat cushion frame to the side frame in a later step, which leads to poor quality structure. It is to provide a welding device for a vehicle seat side frame.
In addition, in order to improve productivity, there is provided a welding apparatus for a vehicle side frame having an improved structure that prevents welding of the fastener F having no pinhole while welding is performed in one cycle in a short time. It is to.
In order to achieve the object of the present invention, the improved welding apparatus for a vehicle seat side frame according to the present invention,
A welding apparatus for a side frame of a vehicle seat, comprising: a square base plate (10);
An operating rod 20 for elevating through the base plate 10;
A lift table 30 which is lifted by the operating rod 20 and formed front and rear at an upper end of the operating rod 20;
A guide rod 40 supporting lower and front ends of the lifting table 30 and lifting up and down in an inserted state in the guide cylinder 45;
A first crossbar 50 coupled to the front of the platform 30 and extending from side to side and having member pressing means 55 downwardly formed at both ends;
A second crossbar 60 coupled to the rear of the platform 30 and extending from side to side;
A first fastener pressing and nut concealment means 70 coupled downward to the right side of the second crosspiece 60;
A second fastener pressurizing and nut concealing means (80) coupled downward to the left side of the second crosspiece (60);
Two front support parts 90 protruding from both front upper surfaces of the base plate 10;
Two rear support parts 110 protruding from both rear upper surfaces of the base plate 10;
Two guide means (120) protruding from the center upper surface of the base plate (10) to form a front and rear direction guide (121);
And a shiotou (CO 2 ) welding device 130 for welding the fastener F located in the member to the member by the welding machine 131 operated by the robot 139.
According to the present invention solves the problems of the prior art, can be easily positioned in the welding device during welding and precise and secure gripping is made after positioning can be welded precisely in the correct position to reduce the occurrence of quality defects An improved welding device for a vehicle seat side frame is provided.
In addition, after the welding spark penetrates into the screw thread of the welded nut at a predetermined position and is fixed, the bolts are not inserted in the step of joining the seat cushion frame to the side frame in a later step, which leads to poor quality structure. A welding device for a vehicle seat side frame is provided.
In addition, there is provided an improved welding apparatus for a vehicle seat side frame that prevents the fastener F, which does not have a pinhole, from being welded while performing one cycle of welding work in a short time to improve productivity. do.
In addition, there is provided a welding device for a vehicle seat side frame improved structure that can solve the problem of poor quality due to reduced gas input during the welding operation.
1 is a perspective view (elevation state) of the welding apparatus for the vehicle side frame of the structure improved according to an embodiment of the present invention.
Figure 2 is a perspective view (elevation state) of the welding apparatus for the vehicle side frame frame improved structure according to an embodiment of the present invention.
Figure 3 is a perspective view of the welding device for the vehicle seat side frame improved structure according to an embodiment of the present invention (descent state).
Figure 4 is an overall configuration of the welding apparatus for a vehicle side frame of the structure improved according to an embodiment of the present invention.
5 is a configuration of gas pressure sensing and automatic gas cylinder conversion device according to an embodiment of the present invention.
6a, 6b are side frames in which the apparatus of the invention is used;
Figure 7 is a perspective view of the vehicle seat showing a connecting rod (P1) connecting both side frames.
Hereinafter, a wave washer manufacturing apparatus according to the present invention will be described in detail according to the embodiment shown in the accompanying drawings. 1 is a perspective view (elevated state) of a welding apparatus for a vehicle seat side frame improved structure according to an embodiment of the present invention, Figure 2 is a perspective view of a welding apparatus for a vehicle seat side frame improved structure according to an embodiment of the present invention ( Elevated state), Figure 3 is a perspective view (falling state) of the welding device for a structural improved vehicle seat side frame according to an embodiment of the present invention, Figure 4 is a structural improved vehicle seat side frame according to an embodiment of the present invention It is a whole block diagram of a welding apparatus.
As shown in Figures 1 to 4, the welding apparatus for a vehicle seat side frame improved structure according to an embodiment of the present invention, the base plate 10, the operating rod 20, the platform 30 and the guide rod 40, the first crossbar 50, the second crossbar 60, the first fastener pressure and nut concealment means 70, the second fastener pressure and nut concealment means 80 and the front support portion 90 and It is configured to include a rear support 110, the guide means 120 and the welding device (130).
As shown in FIGS. 1 to 4, the base plate 10 has a rectangular shape. A through-hole is formed in which the operating rod 20 is elevated, and the hollow guide cylinder 45 is fixed to the front and rear. The base plate 10 is fixed to the top of the frame of the device supported on the ground.
As shown in Figures 1 to 4, the operating rod 20 is moved up and down through the base plate (10). The operating rod is lifted by the piston lifted by the pneumatic cylinder and the lifting of the operating rod 20 is started by the operating lever 180. Known techniques for elevating the operating rod 20 are considered to be disclosed in the specification of the present invention.
Lift table 30 is lifted by the operating rod 20 is formed in the front and rear on the top of the operating rod (20). The guide rod 40 supports lower portions of the front and rear ends of the lifting table 30 and moves up and down in the state inserted in the guide cylinder 45.
As shown in FIGS. 1 to 4, the first crossbar 50 is coupled to the front of the lifting platform 30 and extends from side to side, and downward member pressing means 55 is formed at both ends. The second crossbar 60 is coupled to the rear of the platform 30 and is formed to extend from side to side. The second crosspiece 60 is formed with a first fixing piece 61 and a second fixing piece 62 protruding forward on the left side and the right side, respectively, and the member pressing portion 74 is the first fixing piece 61. It is preferably fixed to the lower portion, the nut concealing means 77 is preferably fixed to the lower portion of the second fixing piece (61).
As shown in Figures 1 to 4, the first fastener pressing and nut concealment means 70 is downwardly coupled to the right side of the second crossbar 60. The second fastener pressing and nut concealment means 80 is downwardly coupled to the left side of the second crossbar 60. A detailed description of the fastener pressing and nut concealment means will be described later.
As shown in Figures 1 to 4, the two anterior support portion 90 is formed protruding on the front upper both sides of the base plate 10. The two rear support parts 110 are formed to protrude on both rear upper surfaces of the base plate 10. The front support portion 90 is preferably inserted into the hole (G1) formed in the front of the side frame (1) as a member is formed on the upper surface of the projection portion 95 to the locking action.
As illustrated in FIGS. 1 to 4, the two guide means 120 protrude on the center upper surface of the base plate 10 to form the front and rear guide 121. The two guide means 120 and the two anterior supports 90 are formed with two rear supports 110 symmetrically with respect to the platform 30.
The upper part of the guide means 120 is present between the other side wing portion Tb of the upper track T of the member as shown in Fig. 6 (b, c) and the horizontal plate 2 of the side frame 1. It is inserted into the valley 6 to set and fix the left and right direction reference of the member. The front and rear direction reference and fixing of the member are performed by the protrusion 95 of the anterior support 90.
As shown in FIGS. 1 to 5, the shiotu (CO 2 ) welding device 130 welds the fastener F located on the member to the member with the welding machine 131 operated by the robot 139. Preferably, the pressure sensor 140 is further provided to sense the gas supply pressure to the main control unit 170 by supplying the gas supply pressure to the supply line H1 to which the sea gas is supplied to the welding device 130. The main controller 170 stops the operation of the welding apparatus or generates an alarm sound to the operator or outputs a warning signal by a warning lamp lighting method when the pressure supplied from the pressure sensor 140 is lower than a set value.
As shown in Figures 1 to 3, 5, the structural improved welding apparatus for a seat side frame for a vehicle according to an embodiment of the present invention is a fastener on a member located in the front support 90 and the rear support 110 When the (F) is located and the fastener pressing means 71 presses the fastener F, the pinhole detection sensor for detecting the presence of a pinhole formed in the fastener F and transmitting the pinhole to the main controller 170 ( It is preferably configured to further include 150). In this case, when the pinhole absence signal is detected from the pinhole detection sensor 150, the main controller 170 stops the operation of the welding device or generates an alarm sound to the operator or outputs a warning signal in a warning light lighting method.
As shown in FIG. 2, the pinhole sensor 150 includes an L-shaped bracket 151 fixed to the base plate 10, a pneumatic cylinder 152 fixed to the L-shaped bracket 151, and a pneumatic cylinder. The sensing rod 153 forward and backward by the piston provided in the 152, and the position sensor (not shown) for detecting whether the sensing rod 153 has exceeded the forward limit point and transmits to the main control unit 170 It is preferable.
As shown in FIG. 2, the first fastener pressing force and the nut concealment means 70 are pressurized to the member pressing portion 74 in which the pressing piece 73 is formed below the elastic body 72 and the lower portion of the elastic body 71a. The fastener pressing means 71 in which the part 71b is formed, and the nut concealing means 77 in which the flat concealing plate 76 was formed in the lower part of the elastic body 75 are formed in order to the right direction. As shown in FIG. 1 or FIG. 2, the second fastener pressing and nut concealment means 80 is formed in the same structure as the first fastener pressing and nut concealing means 70 but is symmetrical with respect to the lifting platform 30. Is formed.
As shown in FIG. 2, the pressing piece 73 is horizontally pushed down from the upper press piece 73a and the upper press piece 73a to press the side wing portion Ta of the upper track T of the member. And a lower pressing piece 73c that is bent to face or press the horizontal plate 2 of the member, and a lower pressing piece 73c that is bent outward from the vertical piece 73b to press the vertical plate 2 of the member. It is preferable.
As shown in FIG. 3, the member pressing means 55 provided at both ends of the first crossbar 50 includes a fixing pin 53 and a fixing pin 53 that vertically penetrate the first crossbar 50. The stopper 54 is fixed to the top of the member, the member pressing portion 52 is fixed to the lower end of the fixing pin 53, and consists of a spring 51 passing through the fixing pin 53.
5 is a configuration of the gas pressure detection and automatic gas cylinder conversion device according to an embodiment of the present invention. As shown in FIG. 5, in the structure improved welding device for a vehicle seat side frame according to the present invention, the pressure of one gas cylinder GAS supplying shio gas to the supply line H1 of the welding device is less than or equal to a set value. It may be configured to further include an automatic change device 160 for automatically communicating with the other gas cylinder (GAS) and the supply line (H1) to fall.
As shown in FIG. 5, the automatic changer 160 includes a first subline H2 connecting the gas cylinder 1 (GAS1) and the supply line H1, a gas cylinder 2 (GAS2), and a supply line H2. The solenoid valve 165 for controlling the flow of gas at the point where the second sub-line (H3) and the supply line (H1), the first sub-line (H2) and the second sub-line (H3) that meets the When the pressure received from the second pressure sensor 161 and the second pressure sensor 161 is installed in the first sub-line (H2) for transmitting the sensed pressure to the valve controller 163 is less than the set value It comprises a valve controller 163 for controlling the solenoid valve 165 to communicate the supply line (H1) and the second sub-line (H3).
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but on the contrary, ≪ RTI ID = 0.0 > and / or < / RTI >
The reference numerals set forth in the claims below are merely to aid the understanding of the invention and do not affect the interpretation of the scope of the claims, and the scope of the claims should not be construed narrowly.
10: base plate 20: operating rod
30: platform 40: guide rod
50: first crossbar 51: spring
52: member pressing portion 53: fixing pin
54: stopper 55: member pressing means
60: second crosspiece 61: first fixing piece
62: second fixing piece
70: first fastener pressing and nut concealment means
71: fastener pressing means 71a: elastic body
71b: pressing portion 72: elastic body
73: press piece 73a: upper press piece
73b: Longitudinal piece 73c: Lower press piece
74: member pressing portion 75: elastic body
76: concealment plate 77: nut concealing means
80: second fastener pressurization and nut concealment means
90: front support 110: rear support
120: guide means 121: front and rear direction guide
130: welding apparatus
131: welding machine 139: robot
140: pressure sensor 150: pinhole sensor
151: L type bracket 152: Pneumatic cylinder
153: sensing rod 160: automatic change device 161: second pressure sensor 163: valve controller 165: solenoid valve 170: main control unit
F: Fastener H1: Supply Line H2: First Subline H3: Second Subline

Claims (9)

  1. In the welding apparatus for the side frame of the vehicle seat,
    A square base plate 10;
    An operating rod 20 for elevating through the base plate 10;
    A lift table 30 which is lifted by the operating rod 20 and formed front and rear at an upper end of the operating rod 20;
    A guide rod 40 supporting lower and front ends of the lifting table 30 and lifting up and down in an inserted state in the guide cylinder 45;
    A first crossbar 50 coupled to the front of the platform 30 and extending from side to side and having member pressing means 55 downwardly formed at both ends;
    A second crossbar 60 coupled to the rear of the platform 30 and extending from side to side;
    A first fastener pressing and nut concealment means 70 coupled downward to the right side of the second crosspiece 60;
    A second fastener pressurizing and nut concealing means (80) coupled downward to the left side of the second crosspiece (60);
    Two front support parts 90 protruding from both front upper surfaces of the base plate 10;
    Two rear support parts 110 protruding from both rear upper surfaces of the base plate 10;
    Two guide means (120) protruding from the center upper surface of the base plate (10) to form a front and rear direction guide (121);
    Structural improvement characterized in that it comprises a; including a shio (CO 2 ) welding device 130 for welding the fastener (F) located in the member to the member with a welding machine 131 operated by the robot 139 Welding device for vehicle seat side frames.
  2. The method of claim 1,
    A pressure sensor 140 is further provided to sense the gas supply pressure in the supply line H1 through which the shio gas is supplied to the welding device 130 and transmit the pressure to the main control unit 170.
    When the pressure supplied from the pressure sensor 140 is less than the set value, the main controller 170 stops the operation of the welding device or generates an alarm sound to the operator or outputs a warning signal by a warning lamp lighting method. Structural welding device for vehicle side frame.
  3. The method of claim 1,
    When the fastener F is positioned on the members positioned in the front support part 90 and the rear support part 110 and the fastener pressing means 71 presses the fastener F, the pinhole formed in the fastener F is formed. It further comprises a pinhole sensor 150 for detecting the presence and transmitting to the main control unit 170,
    The main controller 170, when the pinhole absence signal is detected from the pinhole detection sensor 150, the structure is characterized in that to stop the operation of the welding device or to generate an alarm sound to the operator or to output a warning signal by the warning lamp lighting method Welding device for vehicle seat side frames.
  4. The method of claim 3,
    The pinhole sensor 150,
    L-shaped bracket 151 fixed to the base plate 10,
    Pneumatic cylinder 152 fixed to the L-shaped bracket 151,
    A sensing rod 153 which is moved back and forth by a piston provided in the pneumatic cylinder 152,
    Welding device for a structural side frame improved vehicle, characterized in that consisting of a position sensor (not shown) for detecting whether the sensing rod 153 has exceeded the forward limit point and transmits to the main control unit (170).
  5. The method of claim 1,
    The first fastener pressing and nut concealment means 70,
    A member pressing portion 74 having a pressing piece 73 formed below the elastic body 72,
    Fastener pressing means (71) having a pressing portion (71b) formed below the elastic body (71a),
    A nut concealing means 77 having a flat concealed plate 76 formed below the elastic body 75 is sequentially formed in the right direction,
    The second fastener pressurizing and nut concealment means 80 is formed in the same structure as the first fastener pressurizing and nut concealing means 70, but the structural improvement is characterized in that it is formed symmetrically with respect to the platform 30. Device for side frame of a car seat.
  6. The method of claim 5,
    The second crosspiece 60 is formed with a first fixing piece 61 and a second fixing piece 62 protruding forward on the left and right sides, respectively,
    The member pressing unit 74 is fixed to the lower portion of the first fixing piece 61, the nut concealing means 77 is fixed to the lower portion of the second fixing piece 61, the improved structure for the vehicle Welding device for seat side frames.
  7. The method according to claim 6,
    The pressing piece 73,
    Horizontal upper pressing piece (73a) for pressing the one side wing portion Ta of the upper track (T) of the member,
    A vertical piece 73b that is bent downward from the upper pressing piece 73a to face or pressurize the horizontal plate 2 of the member;
    And a lower pressing piece (73c) which is bent outwardly from the vertical piece (73b) to press the vertical plate (2) of the member.
  8. The method of claim 7, wherein
    Member pressing means 55 provided at both ends of the first crosspiece 50,
    A fixing pin 53 penetrating the first crosspiece 50 up and down,
    A stopper 54 fixed to an upper end of the fixing pin 53;
    Member pressing unit 52 is fixed to the lower end of the fixing pin 53,
    Composed of a spring 51 penetrating the fixing pin 53,
    The front support (90) is a structural improvement device for welding the vehicle side surface frame, characterized in that the protrusion (95) is inserted into the hole (G1) formed in the front of the member protrudingly formed.
  9. The method of claim 2,
    When the pressure of one gas cylinder (GAS) for supplying shio gas to the supply line (H1) of the welding device drops below the set value, the automatic changer (160) automatically communicates the other gas cylinder (GAS) and the supply line (H1). ),
    The automatic change device 160,
    A first sub line H2 connecting the gas cylinder 1 GAS1 to the supply line H1;
    A second sub line H3 connecting the gas cylinder 2 GAS2 to the supply line H2;
    A solenoid valve 165 for controlling the flow of gas at a point where the supply line H1 and the first subline H2 and the second subline H3 meet;
    A second pressure sensor 161 installed in the first subline H2 and transmitting a sensed pressure to the valve controller 163;
    And a valve controller 163 for controlling the solenoid valve 165 to communicate the supply line H1 and the second subline H3 when the pressure received from the second pressure sensor 161 is less than or equal to a set value. A welding device for a structural side vehicle frame side frame, characterized in that the improved.
KR1020100034292A 2010-04-14 2010-04-14 Improved Welding Device For Side Frame of Vehicle Seat KR101211260B1 (en)

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Application Number Priority Date Filing Date Title
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KR101211260B1 true KR101211260B1 (en) 2012-12-11

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101514948B1 (en) * 2013-11-21 2015-04-24 대원강업주식회사 Welding equipment of seat back frame for a vehicle and welding method using the same
CN104384790B (en) * 2014-10-31 2016-08-24 湖州美胜机械有限公司 A kind of weld jig of seat backrest
CN104627633B (en) * 2015-01-13 2017-09-12 奇瑞汽车股份有限公司 A kind of detent mechanism, conveying device and its conveyance control method
CN104907742B (en) * 2015-04-30 2016-06-29 浙江双双制冷设备有限公司 A kind of axial flow blower baffle liner welding die
CN105328391A (en) * 2015-12-11 2016-02-17 重庆创力工贸有限公司 Automobile seat headrest framework welding clamp
CN105345362A (en) * 2015-12-11 2016-02-24 重庆创力工贸有限公司 Welding device for car seat headrest framework
CN105328357A (en) * 2015-12-11 2016-02-17 重庆创力工贸有限公司 Automobile seat headrest framework welding process
CN105364355A (en) * 2015-12-11 2016-03-02 重庆创力工贸有限公司 Method for welding headrest framework of automobile seat
CN105397372A (en) * 2015-12-18 2016-03-16 重庆创力工贸有限公司 Method for welding backrest framework of automobile seat

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004098156A (en) 2002-09-12 2004-04-02 Nojima Seisakusho:Kk Set fixture for welding operation of seat back frame

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004098156A (en) 2002-09-12 2004-04-02 Nojima Seisakusho:Kk Set fixture for welding operation of seat back frame

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