JPH02139193U - - Google Patents

Description

[Brief explanation of drawings]

The drawings show an embodiment of this devised device, and FIGS. 1 to 4 show the first embodiment, of which FIG. Figure 3 is a plan view of the metal fitting alone, Figure 3 is a back view of the handle stem connecting metal fitting alone, Figure 4 is a bottom view of the same, and Figures 5 to 7 show the second embodiment, with Figure 5 showing the essentials. FIG. 6 is a plan view of the hook stem connecting fitting alone, FIG. 7 is a plan view of the handle stem connecting fitting alone, FIGS. 8 to 10 show the third embodiment, and FIG. 9 is a plan view of the hook stem connecting fitting alone, and FIG. 10 is a plan view of the handle stem connecting fitting alone. 1, 22, 30...Hawk stem connecting fittings,
2... Hawk stem, 3... Fitting hole, 4... Engaging protrusion, 5... Keyway, 6... Linking protrusion, 7,2
4, 32...Handle connection fitting, 8...Handle stem, 9...Fitting hole, 10...Connection part, 1
1... Surrounding part, 12... Mounting hole, 13... Mounting part, 14... Screw, 15... Screw hole, 16... Cap nut, 17... Upper ball press, 18... Upper one, 1
9... Pull-up threaded rod, 20... Plug-type enlarged diameter body, 21
...head pipe.

Claims (1)

[Scope of Claim for Utility Model Registration] A Hawk stem linking metal fitting that is fitted onto the outer periphery of the Hawk stem, has an engaging protrusion on the inner diameter surface of the fitting hole that fits into the key groove of the Hawk stem, and has a connecting protrusion on the outer periphery; Fitted around the outer periphery of the handle stem,
A safety device for a bicycle handle, comprising means for fixing to the handle stem, and means for connecting to a connecting protrusion of a connecting fitting of the Hawk stem, and connecting the Hawk stem and the handle stem. The means for fixing the handle stem connecting fitting to the handle stem includes a first mounting portion having a mounting hole provided on the outer surface of the connecting fitting, and a first screw which is screwed into the threaded hole of the handle stem and is tightened and fixed.
Bicycle handlebar safety device as described in section. 2. The bicycle handlebar safety device according to claim 1, wherein the connecting portion of the handlebar stem connecting fitting to the Hawk stem connecting fitting surrounds and engages a connecting protrusion of the Hawk stem connecting fitting. The connecting portion of the handle stem connecting fitting has a connecting pin vertically provided therein, and the connecting pin is inserted into and engaged with a connecting hole opened in the connecting projection of the Hawk stem connecting fitting.
Bicycle handlebar safety device as described in section. The handle stem link fitting is formed by forming a part of the outer periphery into a link part of the required width and appropriate shape that protrudes in the direction of the outer periphery, and a link pin is provided vertically in the link part, and a fitting hole is inserted between the inside of the pin and the center. communicates with a long hole of the required width, communicates with a screw insertion hole that crosses the long hole, opens a screw insertion hole that crosses the long hole,
2. The bicycle handlebar safety device according to claim 1, wherein the bicycle handlebar safety device is fixed to the handlebar stem by inserting the screw into the screw insertion hole and tightening it from both sides with a screw and nut passed through the long hole. The connecting part of the Hawk stem connecting fitting is bent into an L shape, with the tip facing upward, and the upper end is fitted into and engaged with the connecting hole of the connecting part of the handle stem connecting fitting. The bicycle handlebar safety device described in paragraph 1. 2. The bicycle handlebar safety device according to claim 1, wherein the handlebar stem metal fitting is provided with a corresponding tightening arm so as to be fixed to the handlebar stem.