KR200362270Y1 - One bolt-tyep adjustable Crutch - Google Patents

Abstract

end. The technical field to which the invention described in the claims belongs.

The present invention is to adjust the height of the handle and the height of the middle leg at the same time by using one bolt and nut to adjust the height of the crutches.

I. The technical problem the invention is trying to solve

Conventional crutches have an uncomfortable problem because one or two bolts are used to adjust the height of the middle leg [4] for height adjustment and one bolt is used to adjust the height of the handle.

All. Summary of solution of design

To solve this problem, the handle holder protrudes laterally in the middle of the crutch and can move along the wide or narrow side stand [FIG. 1] and the penetrate through the height adjusting middle leg [Z] 4] by installing a handle [FIG. 3] in the conventional crutches [FIG. 4], the height adjustment of the middle leg [FIG. 2] is limited by the length of the handle is separate from the height adjustment for the middle leg It eliminates the need for the height adjustment bolt and nut to lengthen the height adjustable distance, and uses one bolt and nut to adjust the height of the handle and the height of the center leg at the same time to speed up the height adjustment time.

Important uses of the design

Description

1 bolt-type adjustable crutch {One bolt-tyep adjustable Crutch}

The present invention installs a height-adjustable middle leg between the wide or narrow sides of the lower armpits located on the upper side of the crutches, protrudes laterally in the middle of the crutches and can move along both sides of the crutches. Install the handle [Fig. 1] on the handle holder [Fig. 4] that the middle leg moves through, and attach the bottom cap to the lower part and combine it with both sides and the rivet [Fig. 9]. By using two bolts and nuts, the height of the handle and the height of the middle leg can be adjusted at the same time.

Conventional crutches [Fig. 4] are two (two bolt-type height-adjustable crutches) or three (three bolts) to adjust the height of the middle leg [Fig. 2] and the handle [Fig. 4] for height adjustment. Type of height adjustment crutches) using bolts and nuts [Figure 4]

In order to solve the above-mentioned problems of the present invention, the object of the present invention is the height adjustment of the middle leg [first 2] is limited by the length of the handle [first 3] separate handle and the center The height adjustment of the height of the handle [Fig. 3] and the center leg [Fig. 2] using one bolt and nut [Fig. At the same time

1 is a perspective view of one bolt type height adjustable crutches of the present invention

Figure 2 is a front perspective view of one bolt type height adjustable crutches of the present invention

Figure 3 is a perspective view of the handle holder of one bolt type height adjustable crutches of the present invention

Figure 4 is a perspective view of a conventional crutches (three bolt type height adjustable crutches, two bolt type height adjustable crutches)

<Explanation of symbols for the main parts of the drawings>

1.Side stand 2. Middle foot 3. Handle 4. Handle holder 5. Bolt 6. Handle fixed nut

7.Handle holder nut 8.Bottom plug 9.Rivet 10.Rubber 11.Axillary

Hereinafter, with reference to the accompanying drawings will be described in detail the most preferred embodiment of the present invention. As shown in FIG. 1, a height-adjustable middle leg [FIG. 1] is installed between the wide or narrow side bars [FIG. 1] located under the armpits located above the crutches. A handle [FIG. 3] is installed on a handle holder [FIG. 4] in which the middle part protrudes to the side and can move along both sides, and the height adjustment middle leg moves through the handle holder. 4 degrees] In the case of height adjustment in the middle leg [Fig. 2] is limited by the length of the handle [4 Fig. 3] by the height adjustment bolts and nuts [Fig. 4] is required for height adjustment Allow the middle leg to move through the handle holder, and attach the bottom stopper [Figure 8] to the lower part so that it can be combined with both sides and the rivet [Figure 1] so that the middle leg for height adjustment can penetrate and move. 1 bolt and nut [Fig. 7] Utilized will also at the same time to adjust the height of the leg band height adjustment handle.

As described above, the present invention is to adjust the height of the handle and the height of the middle leg at the same time by using one bolt and nut to adjust the height of the crutches to speed up the height adjustment time.

Claims (3)

A height-adjustable gown [1st 2] is installed between the lower armpits [1st 1] under the upper side of the crutches, protrudes laterally in the middle of the crutch and moves along both sides. Install a handle holder whose legs move through the handle holder. Install the handle [Figure 1] on the handle holder [Figure 1] and attach the bottom stopper [Figure 1] to the lower part and combine it with the side stand and the rivet [Figure 9] and adjust the height. One bolt-type crutch, which makes the height adjustment time quick by adjusting the height of the handle and the height of the middle leg by using one bolt and nut. In (claim 1) above, it protrudes laterally in the middle of the crutch and can move along both sides [1], allowing the height-adjustable hem to move through, and one bolt and nut [1] 7] For 1 bolt type play adjustable crutches with a handle holder [Fig. 4] that adjusts the height of the handle and the height of the middle leg at the same time. In the above (Claim 1), a lower stopper is attached to the lower part of the crutches, which is combined with both side stands and rivets [FIG. 9], and the bottom of the height adjusting gown [FIG. 2] moves through. One bolt-type height adjustable crutch with a stopper [Figure 8].