JPH0420803U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図および第２図、第３図は本考案に係るキ
ヤスタの一実施例の断面図およびハウジングに車
輪を取り付ける状態を示す説明図、ハウジングの
正面図、第４図および第５図、第６図はキヤスタ
の他の実施例の断面図およびハウジングの斜視図
、正面図、第７図ａおよび第７図ｂはキヤスタの
従来例の断面図およびハウジングの斜視図、第８
図ａおよび第８図ｂはキヤスタの他の従来例の断
面図および車輪の取付状態を示す説明図である。 １０……ハウジング、１２……車軸、１４……
車輪、１８……凹溝、２０……車軸受け部、２０
ａ……フランジ、２２……突起部、２４……取付
金具、２８……嵌挿孔、３０……スリーブ、３０
ａ……係止突起。 1, 2, and 3 are a sectional view of an embodiment of the caster according to the present invention, an explanatory view showing a state in which wheels are attached to the housing, a front view of the housing, and FIGS. 4, 5, and 3. 6 is a cross-sectional view of another embodiment of the caster, and a perspective view and a front view of the housing. FIGS. 7a and 7b are a cross-sectional view of a conventional example of the caster and a perspective view of the housing.
Figures a and 8b are sectional views of other conventional examples of casters and explanatory views showing how wheels are attached. 10...Housing, 12...Axle, 14...
Wheel, 18... Concave groove, 20... Axle bearing part, 20
a...Flange, 22...Protrusion, 24...Mounting bracket, 28...Fitting hole, 30...Sleeve, 30
a...Latching protrusion.

Claims (1)

【実用新案登録請求の範囲】 １ 脚等の被支持体に取り付けられるハウジング
に端部を外方に突出させて車軸を嵌挿し、車軸を
車輪の内壁に設けた車軸受け部に挿入して車輪を
装着したキヤスタにおいて、 前記ハウジングの車軸を嵌挿させる嵌挿孔の周
囲に車輪側へ突出するスリーブを設けるとともに
、該スリーブの下端縁に断面コの字状の係止突起
を設け、 前記車軸受け部の端部にフランジを設けて、車
軸受け部に車軸を挿入すると共にフランジの下端
縁を前記係止突起とハウジング側面の凹部内に嵌
入して係止させたことを特徴とするキヤスタ。 ２ 前記嵌挿孔を鉛直方向に長孔に形成し、該嵌
挿孔に挿通した車軸の上面に当接して車軸を常時
下方に押圧すべく付勢された弾性体をハウジング
内に設けるとともに、車軸が下方に押圧された状
態で車軸受け部の下側の外面に前記係止突起の上
端縁を当接させて設けたことを特徴とする請求項
１記載のキヤスタ。[Scope of Claim for Utility Model Registration] 1. An axle is inserted into a housing that is attached to a supported body such as a leg with an end protruding outward, and the axle is inserted into an axle receiving part provided on the inner wall of the wheel. In the caster equipped with the housing, a sleeve protruding toward the wheel is provided around the insertion hole into which the axle of the housing is inserted, and a locking protrusion having a U-shaped cross section is provided on the lower edge of the sleeve, A caster characterized in that a flange is provided at the end of the bearing part, and the axle is inserted into the axle bearing part, and the lower end edge of the flange is fitted into the locking protrusion and the recess in the side surface of the housing to be locked therein. 2. The insertion hole is formed into a long hole in the vertical direction, and an elastic body is provided in the housing so as to be in contact with the upper surface of the axle inserted into the insertion hole and constantly press the axle downward; 2. The caster according to claim 1, wherein the upper end edge of the locking protrusion is provided in contact with the lower outer surface of the axle bearing portion when the axle is pressed downward.