A walker comprises: a cross brace having an end sleeve on each end, N-shaped leg extensions, a lock body having a housing and a block having an axis hole, wherein the leg extension is covered by the end sleeve, the lock body is provided on top of the end sleeve, the leg extension and the lock body a
A walker comprises: a cross brace having an end sleeve on each end, N-shaped leg extensions, a lock body having a housing and a block having an axis hole, wherein the leg extension is covered by the end sleeve, the lock body is provided on top of the end sleeve, the leg extension and the lock body are provided with a pin hole and a connecting pin hole respectively at corresponding positions and fixed by a lock pin, the housing of the lock body is provided with a hole for sub axis, the block is connected inside the housing by a sub axis passing through the hole for sub axis and the axis hole, the end sleeve is provided with an orientation hole, a flange for fitting with the orientation hole is provided at the bottom of the block in the housing, a stretch part with a bearing rod is provided inside the leg extension, and the bearing rod leans against the upper portion of the block above the axis hole by passing through a through hole on the leg extension. The invention of this walker is of simple structure and assembly, easy processing and folding, light weight, convenient to transportation and storage. It meets of the demands of different users.
대표청구항▼
What is claimed is: 1. A walker, comprising: a cross brace having an end sleeve on each end, N-shaped leg extensions, a lock body having a housing and a block having an axis hole, wherein the leg extension is covered by the end sleeve, the lock body is provided on top of the end sleeve, the leg ext
What is claimed is: 1. A walker, comprising: a cross brace having an end sleeve on each end, N-shaped leg extensions, a lock body having a housing and a block having an axis hole, wherein the leg extension is covered by the end sleeve, the lock body is provided on top of the end sleeve, the leg extension and the lock body are provided with a pin hole and a connecting pin hole respectively at corresponding positions and fixed by a lock pin, the housing of the lock body is provided with a hole for sub axis, the block is connected inside the housing by a sub axis passing through the hole for sub axis and the axis hole, the end sleeve is provided with an orientation hole, a flange for fitting with the orientation hole is provided at the bottom of the block in the housing, a stretch part with a bearing rod is provided inside the leg extension, and the bearing rod leans against the upper portion of the block above the axis hole by passing through a through hole on the leg extension. 2. The walker according to claim 1, wherein a bushing with pin holes is provided between the lock body and the leg extension and fixed by the lock pin. 3. The walker according to claim 2, wherein the bushing is provided with a limit slot for inserting the block, the outer wall of the bushing is provided with a through hole for inserting the bearing rod. 4. The walker according to claim 3, wherein the bushing is provided with a glide slot on the bottom outer wall, and a corresponding protrusion is provided on the top inner wall of the end sleeve. 5. The walker according to claim 2, wherein the top of the end sleeve is bugle-shaped. 6. The walker according to claim 3, wherein the top of the end sleeve is bugle-shaped. 7. The walker according to claim 1, wherein the block is provided with an actuating lever or a transversal lever or a longitudinal lever. 8. The walker according to claim 2, wherein the block is provided with an actuating lever or a transversal lever or a longitudinal lever. 9. The walker according to claim 3, wherein the block is provided with an actuating lever or a transversal lever or a longitudinal lever. 10. The walker according to claim 4, wherein the block is provided with an actuating lever or a transversal lever or a longitudinal lever. 11. The walker according to claim 5, wherein the block is provided with an actuating lever or a transversal lever or a longitudinal lever. 12. The walker according to claim 6, wherein the block is provided with an actuating lever or a transversal lever or a longitudinal lever. 13. The walker according to claim 7, wherein the leg extension is adjustable. 14. The walker according to claim 8, wherein the leg extension is adjustable. 15. The walker according to claim 9, wherein the leg extension is adjustable. 16. The walker according to claim 10, wherein the leg extension is adjustable. 17. The walker according to claim 11, wherein the leg extension is adjustable. 18. The walker according to claim 12, wherein the leg extension is adjustable.
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이 특허를 인용한 특허 (6)
Bordan, Douglas, Assistive walking device with adjustable dimensions.
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