Patent ID: 8973892
Filing Date: 2015-03-10
Classification: H01M,Y02E,Y10T

Abstract:
1. A locking mechanism for a valve device, the valve device including a valve body for opening and closing a fluid path, a gear wheel to which rotational driving force of a rotational driving source is transmitted and a rack section having rack teeth provided thereon for meshing engagement with the gear wheel and configured to convert rotational movement of the gear wheel into linear movement and move together with the valve body, said locking mechanism comprising: a ball abuttable with a wall face of the rack section; and a spring member configured to press said ball toward the wall face; wherein the valve body is retained by frictional force generated when said ball is pressed against the wall face of the rack section, wherein the locking mechanism is capable of retaining the valve body at a predetermined opening position, and wherein the locking mechanism further comprising: a pusher comprising a retainer comprising a retaining face facing in the first direction and configured to retain said ball at said retaining face thereof.