JPH02130628U

JPH02130628U -

Info

Publication number: JPH02130628U
Application number: JP3884189U
Authority: JP
Priority date: 1989-03-31
Filing date: 1989-03-31
Publication date: 1990-10-29
Anticipated expiration: 2004-03-31
Also published as: JPH074018Y2

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す組立分解斜視
図、第２図は第１図において組立てた状態を示す
平面図、第３図及び第４図は第２図の−線に
おける縦断面図であり、第３図はアームレストを
倒している時のホルダとストツパとの関係を示す
図、第４図はアームレストを起した時のホルダと
ストツパとの関係を示す図、第５図は本考案の他
の実施例の組立て分解斜視図、第６図は第５図に
おいて組立てた状態を示す平面図、第７図は第６
図の−線における縦断面図、第８図は第５図
における偏心スペーサとアームレストとの関係を
示す模式図、第９図は従来のアームレストの斜視
図、第１０図は従来の他のアームレストの斜視図
、第１１図は従来の他のアームレストの斜視図、
第１２図は車椅子を斜視図で示した説明用図であ
る。１……アームレスト、２……アームレスト部材
、４……バツクシートフレーム、１２……ボス部
、１３……ブラケツト、１４……開口部、１５…
…ねじ孔、１６……ホルダ、１９……ストツパ面
、２０……ストツパ、２１……テーパ穴、２４…
…シヤフト、２５……ねじ孔、２６……偏心スペ
ーサ、２７……ボルト、２８……ホルダ、２９…
…ストツパ溝。 Fig. 1 is an exploded perspective view showing one embodiment of the present invention, Fig. 2 is a plan view showing the assembled state in Fig. 1, and Figs. 3 and 4 are longitudinal sections taken along the - line in Fig. 2. Figure 3 is a diagram showing the relationship between the holder and the stopper when the armrest is folded down, Figure 4 is a diagram showing the relationship between the holder and the stopper when the armrest is raised, and Figure 5 is a diagram showing the relationship between the holder and the stopper when the armrest is raised. An assembled exploded perspective view of another embodiment of the invention, FIG. 6 is a plan view showing the assembled state in FIG. 5, and FIG.
8 is a schematic diagram showing the relationship between the eccentric spacer and the armrest in FIG. 5, FIG. 9 is a perspective view of a conventional armrest, and FIG. 10 is a diagram of another conventional armrest. A perspective view, FIG. 11 is a perspective view of another conventional armrest,
FIG. 12 is an explanatory diagram showing a wheelchair in a perspective view. DESCRIPTION OF SYMBOLS 1... Armrest, 2... Armrest member, 4... Back seat frame, 12... Boss portion, 13... Bracket, 14... Opening, 15...
...Screw hole, 16...Holder, 19...Stopper surface, 20...Stopper, 21...Tapered hole, 24...
...Shaft, 25...Screw hole, 26...Eccentric spacer, 27...Bolt, 28...Holder, 29...
...stoppa groove.

Claims

[Claims for Utility Model Registration] (1) In an armrest of a wheelchair that is fixed to a backseat frame of a wheelchair, a cylindrical holder having an abutment surface at one end and a stopper surface at the other end is fixed to the backseat frame. , a boss part is inserted into the holder and has a stepped part at one end that comes into contact with the contact surface of the holder, and a shaft having a tapered part formed at the other end and a screw hole in the end face thereof, A stopper is provided with a taper hole that fits into the tapered part of the shaft and a stopper surface that engages with the stopper surface of the holder, and an armrest member for attaching the armrest is fixed to the boss part of the shaft. Wheelchair armrest. (2) In the armrest of a wheelchair that is fixed to the back seat frame of the wheelchair, a shaft is fixed to the back seat frame in a horizontal direction, a screw hole is provided in a direction perpendicular to the axis of the shaft, and the shaft is inserted into the shaft. A holder having a stopper groove circumferentially formed at a position corresponding to the screw hole of the shaft is provided, an eccentric spacer that engages with the stopper groove of the holder, and a bolt that is inserted through the eccentric spacer and screwed into the screw hole of the shaft. An armrest for a wheelchair, characterized in that the armrest member is fixed to the holder.