JPH0488560U - - Google Patents
Info
- Publication number
- JPH0488560U JPH0488560U JP40368090U JP40368090U JPH0488560U JP H0488560 U JPH0488560 U JP H0488560U JP 40368090 U JP40368090 U JP 40368090U JP 40368090 U JP40368090 U JP 40368090U JP H0488560 U JPH0488560 U JP H0488560U
- Authority
- JP
- Japan
- Prior art keywords
- armrest
- rod
- rack
- guide rod
- chair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000000078 claw Anatomy 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案の代表的実施例を示す要部の縦
断側面図、第２図は同じく縦断背面図、第３図は
支持杆と案内杆の連結部の横断平面図、第４図は
操作レバーの他の実施例を示す簡略縦断側面図、
第５図は本考案の肘掛け装置を装着した椅子の側
面図である。
Ａ：椅子、１：支持杆、２：肘掛け、３：操作
レバー、４：座板、５：アーム、６：連結孔、７
：連結管、８：摺動孔、９：スライダー杆、１０
：ラツク、１１：補強杆、１２：蛇腹、１３：凹
溝、１４：チヤンネル部材、１５：側板、１６：
チヤンネル溝、１７：案内杆、１８：肘掛け部、
１９：縦長凹溝、２０：支軸、２１：ピニオン、
２２：操作部、２３：水平杆、２４：係止杆、２
５：爪、２６：支軸、２７：長孔、２８：ピン、
２９：開口、３０：板ばね、３１：孔、３２：案
内板、３３：長孔、３４：ピン。
Fig. 1 is a longitudinal sectional side view of the main part showing a typical embodiment of the present invention, Fig. 2 is a longitudinal sectional rear view, Fig. 3 is a transverse plan view of the connecting part between the support rod and the guide rod, and Fig. 4 is A simplified vertical sectional side view showing another embodiment of the operating lever,
FIG. 5 is a side view of a chair equipped with the armrest device of the present invention. A: Chair, 1: Support rod, 2: Armrest, 3: Operation lever, 4: Seat plate, 5: Arm, 6: Connection hole, 7
: Connecting pipe, 8: Sliding hole, 9: Slider rod, 10
: Rack, 11: Reinforcement rod, 12: Bellows, 13: Groove, 14: Channel member, 15: Side plate, 16:
Channel groove, 17: Guide rod, 18: Armrest,
19: Vertical groove, 20: Support shaft, 21: Pinion,
22: Operation unit, 23: Horizontal rod, 24: Locking rod, 2
5: Claw, 26: Support shaft, 27: Long hole, 28: Pin,
29: Opening, 30: Leaf spring, 31: Hole, 32: Guide plate, 33: Long hole, 34: Pin.
Claims (1)
した摺動孔に、肘掛けの略水平な肘掛け部に下設
した案内杆を上下スライド可能に嵌挿するととも
に、該摺動孔内面には上下方向にラツクを固設し
、前記案内杆には該ラツクを収容する縦長凹溝と
、該ラツクに噛合するピニオンをその一部を該凹
溝内に突出させて水平な支軸にて回動可能に内装
し、前記肘掛け部の下面に一端を該肘掛け部内に
水平な支軸にて枢支した操作レバーの操作部を臨
ませるとともに、他端に係止杆を下方へ延長形成
し、該係止杆の先端に形成した爪を前記ピニオン
の歯車に噛合する方向に弾性付勢してなり、支持
杆に対して肘掛けを高さ調節可能となしたことを
特徴とする椅子の肘掛け装置。 A guide rod attached to the substantially horizontal armrest part of the armrest is inserted into a sliding hole opened upward at the upper end of the support rod provided on both sides of the chair, and a guide rod is inserted into the upper end of the supporting rod so as to be slidable up and down. A rack is fixed in the vertical direction, and the guide rod has a vertically elongated groove for accommodating the rack, and a pinion that engages with the rack is rotated by a horizontal support shaft with a part of it protruding into the groove. The operating portion of the operating lever is movably installed inside the armrest portion, one end of which is pivoted within the armrest portion by a horizontal support shaft, and the operating portion of the operating lever is provided on the lower surface of the armrest portion, and a locking rod is formed at the other end to extend downward; An armrest device for a chair, characterized in that a claw formed at the tip of the locking rod is elastically biased in a direction to mesh with the gear of the pinion, so that the height of the armrest can be adjusted with respect to the support rod. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40368090U JPH0488560U (en) | 1990-12-18 | 1990-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40368090U JPH0488560U (en) | 1990-12-18 | 1990-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0488560U true JPH0488560U (en) | 1992-07-31 |
Family
ID=31881426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40368090U Pending JPH0488560U (en) | 1990-12-18 | 1990-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0488560U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5340633U (en) * | 1976-09-14 | 1978-04-08 |
-
1990
- 1990-12-18 JP JP40368090U patent/JPH0488560U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5340633U (en) * | 1976-09-14 | 1978-04-08 |
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