| 摘要 |
FIELD: automatics. ^ SUBSTANCE: device for automatic throwing of bowling balls has mechanism, which returns ball from one end of bowling alley to other one; mechanism is disposed onto frame. Mechanism has conveyor band that embraces pair of pulleys, electric engine, two guides which direct motion of ball. Guides have higher and lower parts that smoothly turn one to others. Mechanism also has conveyor band tension stabilization device. Assembly is provided with frame, frame is mounted inside fame for turn in relation to vertical axis of casing. Set of player, return spring and sighting device are disposed on top part of frame. Sighting device is made in form of turn-lever mechanism composed of control handle and control lever with slot. Post with sight is placed inside mechanism. Post is fastened onto frame. Ball dosing mechanism and optical converter are mounted onto frame. Post is provided feeder connected with guides which direct movement of balls onto frame at one side, and on the other side - with mechanism of horizontal return of ball to play path. ^ EFFECT: widened functional abilities; wider age range of players. ^ 3 cl, 8 dwg |
