JPS62200690U - - Google Patents

Description

[Brief explanation of the drawing]

Figure 1 is a front view showing one embodiment of the present invention;
The drawings are a side view of FIG. 1, FIG. 3 is a partially enlarged view of the portion shown in FIG. 1, and FIG. 4 is a side view of FIG. 3. 1, 2...Movable rail, 3...Self-weight type rail end trolley safety stopper (safety stopper), 3a...
Mounting bracket, 3b...horizontal axis, 3c...play, 3d...
Differential cam, 3e... Weight stopper body, 4... Fixed position touch bar, 5... Trolley, 6a, 6b... Cam body.

Claims (1)

[Scope of utility model registration request] In a safety device for a connection between a pair of front and rear movable rails in which opposing rail ends move up and down relative to each other, each horizontal member is provided protruding above the connection end of one movable rail and reaches above the connection end of the other movable rail. a pair of left and right fixed position touch rods that extend; a pair of left and right support shafts that protrude above the connecting end of the other movable rail and that are pivotally supported by the bearing hardware and the bearing hardware and extend along the other movable rail; , a first cam body fitted onto each of the above-mentioned support shafts, and a second cam main body fitted onto each of the above-mentioned support shafts and combined with the first cam body so as to allow appropriate angular play. a movable cam, and a pair of left and right pendulum stoppers whose upper ends are respectively pivotally supported on the above-mentioned respective support shafts, and whose lower ends are suspended so as to be able to move toward and away from the lower part of the web of the other movable rail by the action of the differential cam. A movable rail connection safety device for a trolley rail, comprising a main body and a stopper for preventing the trolley from falling.