CN1225321A - Gear rack-gear wheel type direction changing device - Google Patents
Gear rack-gear wheel type direction changing device Download PDFInfo
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- CN1225321A CN1225321A CN 99100181 CN99100181A CN1225321A CN 1225321 A CN1225321 A CN 1225321A CN 99100181 CN99100181 CN 99100181 CN 99100181 A CN99100181 A CN 99100181A CN 1225321 A CN1225321 A CN 1225321A
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- guide ring
- ring
- holding ring
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Abstract
The obiect of this present invention is to provide a rack-and-pinion type steering device which allows a guide ring to be easily inserted into an inner retaining ring, and allows the inner retaining ring to make movement, and can enhance the durability of the guide ring. The solution of this invention: A supporting tool comprises a guide ring to guide a piston rod in movement, an inner retaining ring to retain the guide ring, and an outer retaining ring which retains the inner retaining ring, wherein the inner and outer retaining rings are furnished with the first and second restraining parts for restraining the motions of the guide ring, which is equipped at one end with a projection confronting the end fat at one end of the inner retaining ring and the second restraining part. Furthermore, The gap between the projection and the end face is made greater than the gap between the end face at the other end of the guide ring and the first restraining part, and the second restraining part confronting the projection is located outside about the diametric direction with respect to the inner surface of the guide ring.
Description
The present invention relates to a kind of steering hardware of rack-and-pinion, this steering hardware has the hydraulic actuating cylinder that the rack shaft that can move to the left and right directions to vehicle body along with steering operation increases auxiliary force.
Gear rack-gear wheel type direction changing device as shown in Figure 6, it has piston rod 102 and increase the hydraulic actuating cylinder 105 of auxiliary force on rack shaft 101.Piston rod 102 is connected along with steering operation on an end of the rack shaft 101 that the left and right directions of vehicle body moves.Hydraulic actuating cylinder 105 has the cylinder barrel 103 that leads for the piston 102a on the above-mentioned piston rod 102 and the supporting member 104 of the centre portion of above-mentioned piston rod 102 at above-mentioned cylinder barrel 103 upper supports.
In addition, be provided with sleeve pipe 106 in the outside of above-mentioned cylinder barrel 103, an end of this sleeve pipe 106 is fixed on force fit in the rack tube 107 that is overlapping above-mentioned rack shaft 101, and an end of this rack tube 107 is connected on the gear case 108 removably.This gear case 108 supporting above-mentioned rack shaft 101 and be provided with this rack shaft 101 on the gear wheel shaft (not shown) of tooth gears in mesh.
As shown in Figure 5, above-mentioned supporting member 104 is made up of following each part: can pass above-mentioned piston rod 102 also is the guide ring 109 of the synthetic resin of its guiding; Be used to embed above-mentioned guide ring 109, and with its interior holding ring 110 that clamps; And embedded sealing element 111, and with its outer holding ring 112 that clamps.The effect of sealing element 111 is to prevent that the hydraulic oil that are filled in above-mentioned interior holding ring 110 and the above-mentioned cylinder barrel 103 from leaking out around piston rod 102.
On the inside face of interior holding ring 110, be provided with at both ends radially to projecting inward, for preventing guide ring 109 and then first restricted part 113 and second restricted part 114 of the mobile and mobile usefulness of piston rod 102.On guide ring 109, driven the grooving 115 of a reduced that can allow guide ring 109.Therefore, when the reduced of guide ring 109, under the contact both sides state together of grooving 115, in guide ring can being inserted in the holding ring 110, then, because the elasticity of guide ring 109 is stuck in the interior holding ring 110 guide ring 109.
Supporting member 104 with this structure, because the certain distance of inside face of its first and second restricted parts 113,114 holding ring 112 outside radially inwardly leaving, so foreign matters such as dust in above-mentioned cylinder barrel 103 and the sleeve pipe 106, and the scar of piston rod 102 etc., may scratch above-mentioned sealing element 111.The in-oil cylinder hydraulic oil of piston one side will make rack tube 107 take off from gear case 108 when the scar of above-mentioned sealing element 111 leaks out.When needs are changed sealing element, can in cylinder sleeve 103, insert barrel-contoured instrument from an end of rack tube 107, this instrument is contacted with second restricted part 114 of above-mentioned interior holding ring 110, hit this instrument, holding ring 110 moves in making, and just sealing element 111 can be pulled out from outer holding ring 112.
; since the internal diameter of the guide ring 109 of top said supporting member 104 in the past than the little 10mm of external diameter about, when the two side superimposed contact of the grooving 115 that makes guide ring 109, make its reduced; when going in the inside face of holding ring 110 in inserting, this operation just exists difficulty.Also have, in guide ring 109 is embedded, in the holding ring 110 time,, can produce the splintery problem of sweep along with dwindling of these guide ring 109 internal diameters.In addition, guide ring 109 is the parts with the synthetic resin material forming because go in the holding ring in will its reduced embedding, can not recovery of elasticity after also can embedding the problem of shape before the undergauge.
Therefore, in order to solve existing in the past problem, can above-mentioned first restricted part 113 be set at an end of the interior holding ring 110 of insertion guide ring 109 as shown in Figure 7, and in inserting, on the inside face of the outer holding ring 112 of holding ring 110 and sealing element 111 above-mentioned second restricted part 114 is set, like this, do not need again guide ring 109 diameter reduction just can be at an easy rate in an end of interior holding ring 110 inserts guide ring the holding ring 110, nor can crack because of guide ring 109 reduced.
; the words of second restricted part 114 are set on the inside face of holding ring 112 as shown in Figure 7 outside; when going in the holding ring 112 outside for above-mentioned sealing element 111 is pulled out instrument being inserted, this instrument just can not touch guide ring 109 and interior holding ring 110.Like this, holding ring 110 moves and has only changed sealing element 111 in just can not making, and must also change the supporting member 104 that sealing parts 111 are housed simultaneously, be provided with the cylinder sleeve 103 of this supporting member 104, and be enclosed within the sleeve pipe 106 on this cylinder sleeve 103 and be fixed on rack tube 107 on this sleeve pipe 106 with force fit, exist the high problem of service expenditure.
The present invention is exactly because the above fact, its objective is provides a kind of tooth bar one gear wheel type direction changing device, this steering hardware has following structure: be provided with the end face projection relative with second restricted part with an end of interior holding ring on an end of guide ring, be provided with second restricted part relative outside on the holding ring with this projection, this second restricted part is arranged on the outer fix radially relative with the inside face of guide ring, by means of the power that on the end face of guide ring one end, can apply alongst, make guide ring can be easy to insert in the interior holding ring, and, holding ring moves in can also making by guide ring, in addition, do the interval between the end face of above-mentioned projection and interior holding ring one end greatlyyer, thereby prevented because the displacing force that guide ring is produced along with piston rod mobile and reciprocating the time breaks above-mentioned projection than the end face and the interval between first restricted part of the other end of guide ring.
Gear rack-gear wheel type direction changing device of the present invention is provided with piston rod and increases the hydraulic actuating cylinder of auxiliary force on rack shaft, piston rod is connected along with steering operation on an end of the rack shaft that the left and right directions of vehicle body moves, hydraulic actuating cylinder has for the cylinder barrel of the piston guide on the above-mentioned piston rod and the supporting member of the centre portion of above-mentioned piston rod at above-mentioned cylinder barrel upper support; Above-mentioned supporting member embeds and fixes the interior holding ring of this guide ring by allowing above-mentioned piston rod pass and being the guide ring of its guiding, and the outer holding ring that embeds and fix holding ring in this; At the two ends of above-mentioned guide ring, in above-mentioned, be provided with on holding ring and the outer holding ring and limit first restricted part and second restricted part that above-mentioned guide ring moves; It is characterized in that, above-mentioned guide ring has and outwards protrudes from the one end, the end face projection relative with above-mentioned interior holding ring one end with second restricted part, interval between this projection and the above-mentioned end face, end face and the interval between above-mentioned first restricted part than the above-mentioned guide ring other end are big, and above-mentioned second restricted part relative with above-mentioned projection is arranged on the radially outer position relative with the inside face of above-mentioned guide ring.
In the present invention, end at guide ring is provided with the projection relative with second restricted part with an end of interior holding ring, holding ring is provided with second restricted part relative with this projection outside, the position of this second restricted part is located on the radially outer position relative with the inside face of guide ring, owing to can on the end face of guide ring one end, apply the power of length direction, so be easy to guide ring is embedded in the interior holding ring, improved the assembly technology performance of interior holding ring.
And, when the sealing element in the holding ring outside interior holding ring embeds and is fixed on takes place to leak, the tubular instrument can be inserted in the cylinder sleeve, and this instrument is contacted with the end face of above-mentioned guide ring one end, holding ring moves in just making with hammer tool.Therefore, just can sealing element be released from outer holding ring, only change this sealing element, thereby reduced service expenditure by means of the moving of holding ring in this.
In addition, do the interval between the end face of above-mentioned projection and interior holding ring one end greatlyyer than the end face and the interval between first restricted part of the other end of guide ring, when guide ring along with moving of piston rod during to a side shifting of length direction, above-mentioned projection just contacts with second restricted part, moving of it just is restricted, and when guide ring when the opposite side of length direction moves, the end face of the guide ring other end contacts with first restricted part and has limited moving of it.Since this projection only guide ring just contact, thereby can make during to a side shifting with restricted part act on protruding bottom on stress have only the vibration of a direction, the life-span of having improved guide ring.
Below, embodiments of the present invention will be described in detail with reference to the accompanying drawings.In the accompanying drawing:
Fig. 1 is the cross sectional drawing after the supporting member of gear rack-gear wheel type direction changing device of the present invention amplifies;
Fig. 2 is the enlarged drawing of structure of the key component of gear rack-gear wheel type direction changing device of the present invention, wherein, (a) is cross sectional drawing, (b) is the figure of the mobile status of explanation guide ring;
Fig. 3 is the positive view of a part that is provided with the gear rack-gear wheel type direction changing device of supporting member of the present invention;
Fig. 4 is the whole cross sectional drawing of gear rack-gear wheel type direction changing device of the present invention;
Fig. 5 is the cross sectional drawing of the supporting member of gear rack-gear wheel type direction changing device in the past;
Fig. 6 is the whole cross sectional drawing of gear rack-gear wheel type direction changing device in the past;
Fig. 7 is the instruction diagram of the supporting member of gear rack-gear wheel type direction changing device in the past.
Gear rack-gear wheel type direction changing device as shown in Figure 4 is a kind of power steering gear of central output type, and it is made up of following member: pinion shaft 1, and its end and bearing circle connect, and rotate together, and its other end is provided with the miniature gears (not shown); Rack shaft 2, it extends to the left and right directions of vehicle body, which is provided with the tooth (not shown) with above-mentioned pinion; Supporting the gear case 3 of above-mentioned pinion shaft 1 and rack shaft 2; Above-mentioned rack shaft 2 is applied the hydraulic actuating cylinder A of auxiliary force, and this hydraulic actuating cylinder has an end bonded assembly piston rod 4 of its cardinal extremity and above-mentioned rack shaft 2 length directions and is the cylinder barrel 5 of the piston guide of this piston rod; Be connected on the said gear case 3, can dismantle, surround the tooth bar shell 10 of above-mentioned rack shaft 2; Be arranged on this tooth bar shell 10 around, the cylindrical shape protective case 11 that can stretch of closed at both ends; Be installed in support 12 on the above-mentioned rack shaft 2 by opening at the slotted hole 10a on the above-mentioned tooth bar shell 10.The termination of a pair of link rod 13,13 is installed on the above-mentioned support 12.
As shown in Figure 3 and Figure 4, the cardinal extremity of tooth bar shell 10 is installed on the said gear case 3 with several mounting screws 14, can dismantle, and the supporting member 6 of the centre portion of the front end of this tooth bar shell 10 by supporting above-mentioned piston rod 4 is connected on the cardinal extremity of above-mentioned cylinder barrel 5.
Above-mentioned supporting member 6 is installed on the cardinal extremity of cylinder barrel 5, and seals with it, its front end embeds chock plug 7 and seals, in the both sides of piston 4a, detailed says, between the sealing element 63 of piston 4a and above-mentioned supporting member 6, and between piston and above-mentioned chock plug 7, the 5a of grease chamber, 5b are arranged.In addition, also be provided with the jacket 8 that surrounds cylinder barrel 5, the cardinal extremity of this jacket 8 is fastened on the above-mentioned tooth bar shell 10 with the method that is pressed into, and is gripping above-mentioned supporting member 6 between jacket 8 and tooth bar shell 10, and above-mentioned chock plug 7 embeds in the front end of above-mentioned jacket 8, can dismantle.
Above-mentioned piston rod 4, above-mentioned cylinder barrel 5 and supporting member 6 have been equipped with on the hydraulic actuating cylinder A.
As shown in Figure 3, supporting member 6 is made up of following each parts: can allow above-mentioned piston rod 4 pass also and can be the guide ring 61 of its motion guide; This guide ring 61 embeds wherein, and the interior holding ring 62 of this guide ring in clamping; And outer holding ring 64, be somebody's turn to do in the outer holding ring and embedded the above-mentioned annular seal parts 63 that leak out from piston rod 4 for the hydraulic oil that prevents to be filled in above-mentioned interior holding ring 62 and the above-mentioned cylinder barrel 5 on every side, and be somebody's turn to do the inside that outer holding ring 64 is installed in above-mentioned jacket 8 cardinal extremities in the mode that can dismantle.
Show as Fig. 1, on the inside face of interior holding ring 62, be provided with following each several part: the embedding face 62a that embeds above-mentioned guide ring 61; At the one end from the radially outside annular concave platform 62b of above-mentioned embedding face 62a; At its other end from above-mentioned embedding face 62a radially to projecting inward, in order to restricted guidance ring 61 along with the motion of piston rod 4 to the first mobile restricted part 62c of a side (side opposite) with rack shaft.
As shown in Figure 1, the inside face of holding ring 64 is provided with following each several part outside: be located in the middle of the outer holding ring, to an end opening, can allow above-mentioned in holding ring 62 and the sealing element 63 embedding face 64a that its neutralization disassembles that packs into; From above-mentioned centre portion radially to projecting inward, in order to limit above-mentioned guide ring 61 along with the motion of piston rod 4 to the second mobile restricted part 64b of opposite side (rack shaft 2 one sides); Be arranged on the other end of outer holding ring the clamping face 64c of the resilient sleeve 65 of the impact during in order to an end in contact of clamping mitigation and rack shaft 2.In addition, the other end of holding ring 64 outside, also be provided with the end face of the cardinal extremity that is clipped in above-mentioned jacket 8 and be located between the step part on the inside face of tooth bar shell 10, prevent the boss 64d that it moves, and be arranged on the outside face of a relative end and cooperate and supporting its embedding face 64e with the cardinal extremity of above-mentioned cylinder barrel 5.
As illustrated in fig. 1 and 2, an end of guide ring 61 has flange 61a, and in the concave station 62b of holding ring 62, a side was relative with end face 62d in this flange was in, and opposite side contacts with restricted part 64b; Interval H1 between the end face 62d of above-mentioned flange 61a and above-mentioned concave station 62b is greater than the end face 61b of above-mentioned guide ring 61 other ends and the interval H2 between the above-mentioned first restricted part 62c.
In addition, guide ring 61 traverses the grooving 61c of total length in addition, when to embed above-mentioned among the embedding face 62a of holding ring 62 time, this grooving can allow the diameter of guide ring flexibly dwindle.Therefore, guide ring 61 can absorb Mismachining tolerance by means of the spring return original state time, be clamped on the above-mentioned embedding face 62a, and because and above-mentioned piston rod 4 between contact resistance and along with the motion of piston rod 4 is reciprocating.
In addition, the second restricted part 64b of above-mentioned outer holding ring 64 is arranged on along the outside radially of above-mentioned guide ring 61 inside faces, so, insert the obstruction that outer holding ring 64 in-to-in tubular instruments just can not be subjected to the second restricted part 64b from the other end, can contact with the end face 61d of an end of guide ring 61.
In addition, power steering gear as shown in Figure 4, when from the outside during to the 5a of grease chamber that lives with hydraulic packing of piston 4a both sides, 5b input pressure oil, because the difference of pressure that two ends produced at piston 4a, promoting above-mentioned piston rod 4 moves along its axis direction, so, just on the rack shaft on the cardinal extremity that is connected this piston rod 42, applied displacing force vertically.
The 5a of grease chamber, the 5b of piston 4a both sides are connected on the jacket 8 by a pair of, and the distance that separates is greater than the transport pipe 15,15 of the stroke of piston 4a, and are located at said gear case 3 exterior a pair of oil pumps 16,16 and are communicated with.In gear case 3,, carrying out and the corresponding oil-feed of steering torque and the oil extraction action that are applied on the above-mentioned pinion shaft 1 along with the rotation of bearing circle.And in above-mentioned oil pump 16,16, each comfortable inside is equipped with known fluid control valve.Therefore and the oil pressure that produces just is added on the rack shaft 2 pressure oil of output is sent into by transport pipe 15,15 in the 5a of grease chamber, the 5b of cylinder barrel 5 from oil pump 16,16,, becomes the above-mentioned auxiliary force that turns to.
Supporting member 6 with central output type power steering gear of said structure, guide ring 61 is embedded among the embedding face 62a of interior holding ring 62, under the state in this among embedding face 64a of holding ring 62 and the outer holding ring 64 of sealing element 63 embeddings, the inside of outer holding ring 64 insertion jackets 8 cardinal extremities, again the cardinal extremity of jacket 8 is pressed in the inside face of tooth bar shell 10 front ends the flange portion 64d of clamping and fixing outer holding ring 64.
When embedding above-mentioned guide ring 61, owing on interior holding ring 62, be provided with the first restricted part 62c, holding ring 64 is provided with the second restricted part 64b outside, so needn't allow the reduced of guide ring 61 also can guide ring be inserted the embedding face 62a from an end of interior holding ring 62, make guide ring 61 can insert at an easy rate in the interior holding ring 62, improved the assembly technology performance of interior holding ring 62.
In addition, the power steering gear of the embodiment of the invention, operation along with bearing circle, pinion shaft 1 rotates, by miniature gears on this pinion shaft 1 and the tooth on the tooth bar, when making rack shaft 2 towards the motion of the left and right directions of vehicle body, corresponding with the steering torque on being applied to pinion shaft 1, pass through transport pipe 15 from fluid control valve, 15 the 5a of grease chamber to piston 4a both sides, input among the 5b (or output) pressure oil, because inputing or outputing of above-mentioned pressure oil, just on rack shaft 2, produced hydraulic pressure, made rack shaft 2 reciprocating with piston rod 4.
Because above-described crank motion, the foreign matter of dust in above-mentioned cylinder barrel 5 and the tooth bar shell 10 and so on, and the scar of piston rod 4 just can form scuffing on the sealing element 63 of supporting member 6, and hydraulic oil will leak out from the scar of sealing element 63.At this moment, because the end at guide ring 61 has facing to the end face 62d of interior holding ring 62 and the protruding 61a of the second restricted part 64b, outside on the holding ring 64, on the radially outer position of the inside face that faces toward guide ring 61, be provided with the second restricted part 64b facing to above-mentioned protruding 61a, so can on the end face 61d of guide ring 61 1 ends, apply the power of length direction, if in cylinder barrel 5, put in columnar instrument from the cardinal extremity of cylinder barrel 5, the time this instrument contact with the end face 61d of above-mentioned guide ring 61 1 ends, hit this instrument then, holding ring 62 moves in just making.
In particular, for example, from jacket 8, take out chock plug 7, to cylinder barrel 5, insert the instrument of socket wrench and so on from the front end of this jacket 8, unload lower piston 4a, unload lower bracket 12 from rack shaft 2 again from piston rod 4, unclamp again screw 14 is installed, tooth bar shell 10 is unloaded down from gear case 3, and pulling tooth bar shell 10 just can be pulled out piston rod 4 from supporting member 6 and cylinder barrel 5.At this moment, because supporting member 6 only has been installed in tooth bar shell 10, so insert columnar instrument from the cardinal extremity of tooth bar shell 10, the front end of this instrument is contacted with the end face 61d of the end of the protruding 61a that is provided with guide ring 61, hammer tool under this state, holding ring 62 and sealing element 63 move in just making by guide ring 61, just can only change above-mentioned sealing element 63, thereby can reduce service expenditure.
In addition, when above-mentioned piston rod 4 moves, for the guide ring 61 of this piston rod 4 guiding owing to piston rod 4 between contact the resistance that produces, be subjected to the power of length direction, but, because the interval H1 between the end face 62d of the protruding 61a of guide ring 61 and interior holding ring 62 1 ends, greater than the end face 61b of the other end of guide ring 61 and the interval H2 between the first restricted part 62c, so when guide ring 61 along with the motion of piston rod 4 when length direction moves, just shown in Fig. 1 and Fig. 2 (a), protruding 61a will contact with the second restricted part 64b, and it moves and is restricted.
In addition, when when opposite side moves,, also limited moving of it just shown in Fig. 2 (b), the end face 61b of guide ring 61 other ends will contact with the first restricted part 62c.Like this, protruding 61a only just touches with restricted part during to a side shifting at guide ring 61, makes that the stress of the base portion that acts on protruding 61a is the stress of unidirectional variation, thereby has improved the life-span of guide ring 61.
Among the embodiment described above, on guide ring 61, be provided with grooving 61c, but this grooving 61c is not essential.
As mentioned above, according to the present invention, guide ring do not need diameter reduction just can pack at an easy rate in the holding ring, improved the efficient of the erecting work of interior holding ring, and, on the end face of guide ring one end, apply the power of length direction, holding ring moves in just making, so, when inserting the sealing element that is installed in the outer holding ring with holding ring in this leakage take place, just can only change above-mentioned sealing element, reduce service expenditure.Further, because the stress that is acted on the base portion of guide ring is the stress of unidirectional variation, so the life-span of guide ring has also improved.
Claims (1)
1. tooth bar one gear wheel type direction changing device, it is provided with piston rod and increases the hydraulic actuating cylinder of auxiliary force on rack shaft, piston rod is connected along with steering operation on an end of the rack shaft that the left and right directions of vehicle body moves, hydraulic actuating cylinder has for the cylinder barrel of the piston guide on the above-mentioned piston rod and the supporting member of the centre portion of above-mentioned piston rod at above-mentioned cylinder barrel upper support; Above-mentioned supporting member embeds and fixes the interior holding ring of this guide ring by allowing above-mentioned piston rod pass and being the guide ring of its guiding, and the outer holding ring that embeds and fix holding ring in this; At the two ends of above-mentioned guide ring, in above-mentioned, be provided with on holding ring and the outer holding ring and limit first restricted part and second restricted part that above-mentioned guide ring moves; It is characterized in that, above-mentioned guide ring has and outwards protrudes from the one end, the end face projection relative with above-mentioned interior holding ring one end with second restricted part, interval between this projection and the above-mentioned end face, end face and the interval between above-mentioned first restricted part than the above-mentioned guide ring other end are big, and above-mentioned second restricted part relative with above-mentioned projection is arranged on the radially outer position relative with the inside face of above-mentioned guide ring.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00807698A JP3667072B2 (en) | 1998-01-19 | 1998-01-19 | Rack and pinion type steering device |
| JP988076 | 1998-01-19 | ||
| JP98-8076 | 1998-01-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1225321A true CN1225321A (en) | 1999-08-11 |
| CN1114540C CN1114540C (en) | 2003-07-16 |
Family
ID=11683258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99100181 Expired - Fee Related CN1114540C (en) | 1998-01-19 | 1999-01-15 | Gear rack-gear wheel type direction changing device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3667072B2 (en) |
| CN (1) | CN1114540C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429107C (en) * | 2003-10-29 | 2008-10-29 | 唐行伦 | Manipulating device for driving car |
| CN100462269C (en) * | 2004-04-02 | 2009-02-18 | 株式会社捷太格特 | Steering device and method of manufacturing the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5851181B2 (en) * | 2011-09-29 | 2016-02-03 | 株式会社吉野工業所 | Tube container with valve |
-
1998
- 1998-01-19 JP JP00807698A patent/JP3667072B2/en not_active Expired - Fee Related
-
1999
- 1999-01-15 CN CN 99100181 patent/CN1114540C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429107C (en) * | 2003-10-29 | 2008-10-29 | 唐行伦 | Manipulating device for driving car |
| CN100462269C (en) * | 2004-04-02 | 2009-02-18 | 株式会社捷太格特 | Steering device and method of manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11198834A (en) | 1999-07-27 |
| CN1114540C (en) | 2003-07-16 |
| JP3667072B2 (en) | 2005-07-06 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030716 Termination date: 20110115 |