JPH0317901U

JPH0317901U -

Info

Publication number: JPH0317901U
Application number: JP7861989U
Authority: JP
Priority date: 1989-07-03
Filing date: 1989-07-03
Publication date: 1991-02-21

Description

[Brief explanation of drawings]

第１図は本考案の１実施例を示す縦断面図、第
２図は第１図のＡ矢視図、第３図は車輪を進出さ
せた状態を示す縦断面図である。１……基体、５……ハウジング、７……支持部
、７ａ……舌片、７ｂ……ブラケツト片、８……
車輪、９……車軸、１０……揺動アーム、１１，
１４，１９……枢軸、１３……操作体、１３ａ…
…操作アーム、１５……操作レバー、１６……補
助具挿入穴、１８……連動ロツド、２０……第一
ロツク手段、２１……第二ロツク手段、２２……
凹部。 FIG. 1 is a longitudinal sectional view showing one embodiment of the present invention, FIG. 2 is a view taken along arrow A in FIG. 1, and FIG. 3 is a longitudinal sectional view showing a state in which the wheels are advanced. DESCRIPTION OF SYMBOLS 1... Base body, 5... Housing, 7... Support part, 7a... Tongue piece, 7b... Bracket piece, 8...
Wheel, 9... Axle, 10... Swinging arm, 11,
14, 19... Pivot, 13... Operating body, 13a...
...Operating arm, 15... Operating lever, 16... Auxiliary tool insertion hole, 18... Interlocking rod, 20... First locking means, 21... Second locking means, 22...
recess.

Claims

[Claims for Utility Model Registration] 1. A base body 1 for supporting a heavy object, a wheel 8 that can freely move forward and backward from the lower surface of the base body, an operating body 13 that moves the wheel forward and backward, and a wheel that is in an advanced position. Locking means (20 or 21) for non-retractable fixation
A Jatski type caster device characterized by comprising: 2. A base body 1 for supporting a heavy object, and a swinging arm 10 which is pivotally supported by the tip of the swinging arm 10 which is pivotally connected to the base body, and which is movable downwardly by the lower surface of the base body by reciprocating swinging of the swinging arm. a wheel 8, and an operating arm 1 pivotally connected to the base for moving the wheel forward and backward.
3a, an interlocking rod 18 that connects the operating arm and the wheel and/or the swinging arm, and the interlocking rod and the swinging arm are mutually engaged in the advanced position of the wheel, so that the swinging arm cannot be moved back. and a locking means 20 for fixing the caster to the jack. 3. Registration of a utility model characterized in that the locking means 20 is constituted by a recess 22 provided in the interlocking rod 18, and the pivot 11 of the swing arm 10 is held by the recess at the wheel advanced position. A Jatski type caster device according to claim 2. 4 With the pivot shaft 11 of the swing arm 10 held by the recess 22, the pivot shafts 19 at both ends of the interlocking rod 18 are
, 9 centers is located beyond the pivot point 11 center of the swinging arm in the forward movement direction. 5. The Jatski type caster device according to any one of claims 1 to 4 of the claims registered as a utility model, which is portable.