JPS642604U - - Google Patents
Info
- Publication number
- JPS642604U JPS642604U JP9777387U JP9777387U JPS642604U JP S642604 U JPS642604 U JP S642604U JP 9777387 U JP9777387 U JP 9777387U JP 9777387 U JP9777387 U JP 9777387U JP S642604 U JPS642604 U JP S642604U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- pivot frame
- lock
- bifurcated pivot
- engagement
- 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.)
- Granted
Links
Landscapes
- Handcart (AREA)
- Ladders (AREA)
Description
図面は本考案の実施例を示し、第１図は自在車
輪の一部破断正面図、第２図は旋回ロツク装置の
取出し斜視図、第３図はロツク解除姿勢での要部
断面図、第４図は旋回ロツク姿勢での要部断面図
である。
１……二又枢支枠、２……車輪、３……取付部
、７……固定部材、１１……旋回ロツク具、１２
……揺動フレーム、１３……カムロツド、１４…
…バネ材、１６……１２の連結壁、１７……１の
脚部、１９……係合作動部、２０……カム溝、２
１……ロツク解除操作部、２４……ロツク操作部
、２５……係入部。
The drawings show an embodiment of the present invention; FIG. 1 is a partially cutaway front view of the free wheel, FIG. 2 is a perspective view of the swing lock device taken out, FIG. 3 is a sectional view of the main part in the unlocked position, and FIG. FIG. 4 is a sectional view of the main part in the turning lock position. DESCRIPTION OF SYMBOLS 1...Bifurcated pivot frame, 2...Wheel, 3...Mounting part, 7...Fixing member, 11...Swivel locking tool, 12
...Swinging frame, 13...Camrod, 14...
... Spring material, 16 ... 12 connection wall, 17 ... 1 leg part, 19 ... Engagement operation part, 20 ... cam groove, 2
1... Lock release operation section, 24... Lock operation section, 25... Engagement section.
Claims (1)
、この二又枢支枠１に車輪２を転動自在に支持さ
せ、二又枢支枠１に旋回ロツク具１１を配置し、
旋回ロツク具１１の係合作動部１９を取付部３の
固定部材７に係脱可能に構成してなる自在車輪に
おいて、 旋回ロツク具１１を二又枢支枠１の両脚部１７
に揺動自在に支持されている断面コ字形の揺動フ
レーム１２と、二又枢支枠１の脚部１７間に架着
したクランク状に形成したカムロツド１３と、カ
ムロツド１３と揺動フレーム１２との間に掛け渡
したバネ材１４とで構成し、揺動フレーム１２の
連結壁１６における上縁部から係合作動部１９を
上向きに突設するとともに、連結壁１６の下端部
からロツク解除操作部２１を横向きで外側に向け
て連出し、揺動フレーム１２の側壁前端寄部に略
〔字形のカム溝２０を形成し、このカム溝２０に
カムロツド１３を挿通し、二又枢支枠１の脚部１
７外に位置するカムロツド１３の一端部からロツ
ク操作部２４を一体に連出し、ロツク操作部２４
及びロツク解除操作部２１の下向き操作により、
係合作動部１９を取付部３に形成した係入部２５
に係脱操作させるように構成したことを特徴とす
る自在車輪の旋回ロツク装置。[Claims for Utility Model Registration] A bifurcated pivot frame 1 is rotatably supported on the mounting portion 3, a wheel 2 is rotatably supported on the bifurcated pivot frame 1, and the bifurcated pivot frame 1 is rotatably supported. Place the turning lock 11,
In a free wheel in which the engagement actuating portion 19 of the swing locking device 11 is configured to be removable from the fixing member 7 of the mounting portion 3, the swinging lock device 11 is connected to both leg portions 17 of the bifurcated pivot frame 1.
A swinging frame 12 having a U-shaped cross section and swingably supported by a pivot frame 12, a crank-shaped cam rod 13 mounted between legs 17 of the bifurcated pivot frame 1, and a cam rod 13 and the swing frame 12. An engagement actuating portion 19 is provided to protrude upward from the upper edge of the connecting wall 16 of the swinging frame 12, and a lock release portion 19 is provided from the lower end of the connecting wall 16. The operation part 21 is extended outward in a horizontal direction, and a cam groove 20 in the shape of a letter is formed near the front end of the side wall of the swing frame 12. The cam rod 13 is inserted into this cam groove 20, and the bifurcated pivot frame 1 leg 1
The lock operating portion 24 is integrally extended from one end of the cam rod 13 located outside the lock operating portion 24.
And by operating the lock release operation part 21 downward,
Engagement part 25 in which engagement actuation part 19 is formed in attachment part 3
A rotating lock device for a swivel wheel, characterized in that it is configured to be engaged and disengaged by the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987097773U JPH0723283Y2 (en) | 1987-06-24 | 1987-06-24 | Free wheel turning lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987097773U JPH0723283Y2 (en) | 1987-06-24 | 1987-06-24 | Free wheel turning lock device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS642604U true JPS642604U (en) | 1989-01-09 |
| JPH0723283Y2 JPH0723283Y2 (en) | 1995-05-31 |
Family
ID=31323468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987097773U Expired - Lifetime JPH0723283Y2 (en) | 1987-06-24 | 1987-06-24 | Free wheel turning lock device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0723283Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013193574A (en) * | 2012-03-19 | 2013-09-30 | Nansin Co Ltd | Caster braking structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816902A (en) * | 1981-07-21 | 1983-01-31 | Natsuo Morita | Wheel device |
| JPS59110701U (en) * | 1983-01-18 | 1984-07-26 | 株式会社富士技研 | Traveling body with free wheels |
-
1987
- 1987-06-24 JP JP1987097773U patent/JPH0723283Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816902A (en) * | 1981-07-21 | 1983-01-31 | Natsuo Morita | Wheel device |
| JPS59110701U (en) * | 1983-01-18 | 1984-07-26 | 株式会社富士技研 | Traveling body with free wheels |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013193574A (en) * | 2012-03-19 | 2013-09-30 | Nansin Co Ltd | Caster braking structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0723283Y2 (en) | 1995-05-31 |
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