JPH0357704U - - Google Patents
Info
- Publication number
- JPH0357704U JPH0357704U JP11939289U JP11939289U JPH0357704U JP H0357704 U JPH0357704 U JP H0357704U JP 11939289 U JP11939289 U JP 11939289U JP 11939289 U JP11939289 U JP 11939289U JP H0357704 U JPH0357704 U JP H0357704U
- Authority
- JP
- Japan
- Prior art keywords
- ribs
- escape
- steel spikes
- escape board
- protruding
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
Landscapes
- Magnetic Heads (AREA)
Description
図面は本考案によるぬかるみ脱出板の実施例を
示すもので、第１図はぬかるみ脱出板のＡ―Ａ線
断面図、第２図はぬかるみ脱出板の平面図、第３
図は第２図のＢ―Ｂ線断面図、第４図は一方側の
連結板の底面図である。
１……ぬかるみ脱出板、２１，２２……メイン
リブ、３……サイドリブ、４……センターリブ、
５……前の連結板、６……後の連結板、７１，７
２，７３……補助リブ、８１，８２，８３，８４
……凸部、９……長穴、１０……足、１１……鋼
製のスパイク。
The drawings show an embodiment of the muddy escape board according to the present invention, and FIG.
The figure is a sectional view taken along line BB in FIG. 2, and FIG. 4 is a bottom view of one side of the connecting plate. 1...Muddy escape board, 2 1 , 2 2 ... Main rib, 3... Side rib, 4... Center rib,
5... Front connecting plate, 6... Back connecting plate, 7 1 , 7
2 , 7 3 ... Auxiliary rib, 8 1 , 8 2 , 8 3 , 8 4
...Protrusion, 9...Elongated hole, 10...Legs, 11...Steel spikes.
Claims (1)
かつ中央部の隣あう縦リブの間を補助リブで連結
して補強し、これらリブと前記連結板の上面に凸
部を設けて合成樹脂製脱出板本体を形成し、この
脱出板本体の底面から鋼製スパイクを突出させた
ことを特徴とするぬかるみ脱出板。 (2) 鋼製スパイクは脱出板本体の底面に一体に
設けた足に、ピン状の複数本の鋼製スパイクを突
設してなる請求項(1)記載のぬかるみ脱出板。 (3) 鋼製スパイクは脱出板本体の底面に一体に
設けた足に、鋼板を打抜き形成した複数本の爪状
の鋼製スパイクを突設してなる請求項(1)記載の
ぬかるみ脱出板。 (4) 複数の縦リブはメインリブ、サイドリブ、
センターリブからなる請求項(1)，(2)または(3)
記載のぬかるみ脱出板。[Claims for Utility Model Registration] (1) A plurality of vertical ribs connected by connecting plates at both ends,
Further, the adjacent vertical ribs in the central part are connected and reinforced by auxiliary ribs, and a protrusion is provided on the upper surface of these ribs and the connecting plate to form a synthetic resin escape plate body, and the bottom surface of the escape plate body is A mud escape board characterized by steel spikes protruding from the bottom. (2) The mud escape board according to claim (1), wherein the steel spikes include a plurality of pin-shaped steel spikes protruding from a foot integrally provided on the bottom surface of the escape board main body. (3) The mud escape board according to claim (1), wherein the steel spikes include a plurality of claw-shaped steel spikes formed by punching a steel plate and protruding from feet provided integrally on the bottom surface of the escape board main body. . (4) Multiple vertical ribs include main ribs, side ribs,
Claim (1), (2) or (3) consisting of a center rib
The muddy escape board mentioned above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11939289U JPH0357704U (en) | 1989-10-12 | 1989-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11939289U JPH0357704U (en) | 1989-10-12 | 1989-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0357704U true JPH0357704U (en) | 1991-06-04 |
Family
ID=31667518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11939289U Pending JPH0357704U (en) | 1989-10-12 | 1989-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0357704U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5635124B2 (en) * | 1977-07-04 | 1981-08-14 |
-
1989
- 1989-10-12 JP JP11939289U patent/JPH0357704U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5635124B2 (en) * | 1977-07-04 | 1981-08-14 |