JPS63148501U - - Google Patents

Description

[Brief explanation of the drawing]

The drawings show an embodiment of the present application, and FIG. 1 is a perspective view with some parts omitted, FIG. 2 is an enlarged sectional view taken along the - line, FIG. 5 is a sectional view showing a normal state where rotation is allowed, FIG. 5 is a sectional view showing a state in which wheel rotation is inhibited, FIG. 6 is an operation explanatory diagram showing an enlarged main part of FIG. 5, and FIG.
8 is a cross-sectional view showing a state in which the rotation of the wheel is released, FIG. 9 is an operation explanatory diagram showing an enlarged main part of FIG. 8, and FIG. 10 is a cross-sectional view along the line,
1 is an explanatory view of the operation, FIG. 12 is a sectional view taken along the line ``--'', and FIG. 13 is a perspective view showing a different example. DESCRIPTION OF SYMBOLS 1... Caster with brake, 2... Base, 3... Mounting member, 4... Support member, 5... Wheel, 6... Brake mechanism, 7... Support frame, 8... Lever, 9... Stop, 22
...Biasing spring, 24...Engaging portion, 25...Tread surface, 26...
Brake shoe, 28...Biasing spring, 29...Abutting surface, 30...Locking portion, 31...Guiding surface, 32...Pushing surface.

Claims (1)

[Scope of utility model registration request] A base body having a mounting member fixed to a truck or the like and a support member protruding downward from the mounting member, and a wheel rotatably mounted to the support member via a horizontal axle. and a brake mechanism attached to the base body to stop and release rotation of the wheel, the brake mechanism comprising a support frame fixed to the base body and a brake mechanism attached to the base body to stop and release the rotation of the wheel. ,
A lever that is pivotably pivoted near the base of the lever with respect to the support frame so that the tip of the lever can move toward and away from the wheel; is equipped with an engaging part, a lever with a tread on the upper side and a brake shoe on the lower side, and a base part of the lever that is swingably pivoted to the support frame. and a stop whose end part is movable toward and away from the engaging part, and the lever is configured to move the brake shoe away from the wheel from a stopping position where the brake shoe is in contact with the wheel. The stop is biased to return to its normal position after being separated, and the stop is movable in the direction of its own axis and is biased from one side of the axis to the other side; Further, on the side of the stop that faces the engaging part, when the lever is swung from the normal position to the stopping position, it comes into contact with the engaging part and is swung against the biasing force. The contact surface is positioned within the return trajectory of the engaging part when the lever is swung to the stopping position, and when the lever is released, the engaging part is locked and the lever is stopped. a locking portion adapted to be held in position;
The push-up surface is located within the return locus of the engagement portion when the lever is swung to a release position below the stop position, and comes into contact with the engagement portion when the lever is released. The push-up surface is in contact with the engaging portion to move the stopper in the pivot direction against the biasing force, and is adapted to follow the return locus of the engaging portion to allow return movement of the engaging portion. A caster with a brake that is characterized by being formed at an angle.