JPS6187122U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a rear view of the main parts showing an embodiment of the present invention, Fig. 2 is an overall side view of a tractor equipped with the embodiment of the invention, Fig. 3 is a side view of the main parts, and Fig. 4 is Fig. 3. 5 is a rear view of essential parts showing a state in which the vehicle is operated for high-speed positioning. 1... Tractor body, 17... Guide plate, 23... PT
O gear shift lever, 29...guide groove, 30...restraint body, 3
3...Lock body, 36...Biasing spring.

Claims (1)

[Scope of utility model registration request] In a PTO transmission that can be switched between high and low speeds using a shift lever 23 inserted into a guide groove 29 of a guide plate 17, a shift lever 2 is provided on the back surface of the guide plate 17.
a check position P that protrudes toward the guide groove 29 side in order to prevent the operation from the low speed position L side of No. 3 to the high speed position H side;
A check body 30 is pivotally supported so as to be freely repositionable to a non-check position Q, which is removed from the operating range of the gear shift lever 23, and the check body 30 is rotated toward the check position P by one-way movement on the guide plate 17, and the check body 30 is moved in one direction. Checking body 30 at position P
A lock body 33 is pivotably supported in a reciprocating manner between a lock position R that prevents the return rotation of the lock body, and a release position S that allows the restraining body to freely rotate by moving in the other direction. A check device for a PTO shift lever in a PTO transmission, characterized in that a biasing spring 36 is provided to bias the PTO shift lever.