Snow subdivision device and snowfall device

Abstract

A snow subdivision device includes: a receiving member having a receiving surface that receives snow collectively dropping from a snow growth mechanism; and a transmission portion that changes a posture of the receiving member so as to change an inclination of the receiving surface by receiving an external force. The receiving member drops snow on the receiving surface part by part while temporally shifting the dropping by changing the inclination of the receiving surface, so that the snow falls to a subject area. In the receiving member, the receiving surface can be alternately inclined in both directions so that the snow on the receiving surface drops from both sides of the receiving surface.

1 . A snow subdivision device for causing snow to dispersively fall, the snow collectively dropping from a snow growth mechanism, the snow subdivision device comprising:
 a receiving member having a receiving surface configured to receive the snow collectively dropping from the snow growth mechanism; and   a transmitter configured to change a posture of the receiving member so that an inclination of the receiving surface changes or the receiving surface moves by receiving an external force,   wherein the receiving member is configured to drop the snow on the receiving surface part by part while temporally shifting the dropping by changing the inclination of the receiving surface or moving the receiving surface, so that the snow is caused to fall to a subject area.   
     
     
         2 . The snow subdivision device according to  claim 1 , wherein the receiving surface of the receiving member is capable of being alternately inclined in both directions, or is capable of being alternately moved in both directions, so that the snow on the receiving surface drops from both sides of the receiving surface. 
     
     
         3 . The snow subdivision device according to  claim 2 , further comprising a rotation shaft that rotatably supports the receiving member,
 wherein the receiving surface of the receiving member is capable of being alternately inclined in both the directions around the rotation shaft, or is capable of being alternately moved in both the directions around the rotation shaft.   
     
     
         4 . The snow subdivision device according to  claim 3 , wherein the rotation shaft supports the receiving member above a gravity center position of the receiving member. 
     
     
         5 . The snow subdivision device according to  claim 2 , wherein
 the transmitter is configured to incline or move the receiving surface in one direction of the both direction, and   the receiving member is configured so that movement of the receiving surface is reversed when transmission from the transmitter is released.   
     
     
         6 . The snow subdivision device according to  claim 1 , further comprising a rotation shaft that rotatably supports the receiving member,
 wherein the transmitter is configured to rotate the receiving member around the rotation shaft so that the inclination of the receiving surface changes or the receiving surface moves.   
     
     
         7 . The snow subdivision device according to  claim 6 , wherein the rotation shaft supports the receiving member above a gravity center position of the receiving member. 
     
     
         8 . The snow subdivision device according to  claim 1 , wherein the transmitter includes a rod-shaped member fixed to the receiving member. 
     
     
         9 . A snowfall device comprising:
 a snow growth mechanism configured to grow snow; and   the snow subdivision device according to  claim 1 .   
     
     
         10 . The snowfall device according to  claim 9 , wherein
 the snow growth mechanism includes:   a container having a space for growing snow and provided with an opening through which the grown snow is dropped; and   a pushing-outer configured to move, toward the opening, the snow grown inside the space and temporarily stored in a bottom portion of the container, and   the receiving member is located below the opening so as to receive the snow moved to the opening by the pushing-outer and dropped through the opening of the container.   
     
     
         11 . The snowfall device according to  claim 10 , wherein
 the pushing-outer includes a scraping member for scraping the snow stored in the bottom portion, and a driver for driving the scraping member, and   the transmitter is configured to receive a force by the scraping member as the external force to incline the receiving surface of the receiving member or move the receiving surface.   
     
     
         12 . The snowfall device according to  claim 9 , wherein
 the snow growth mechanism includes:
 a container having a space for growing snow and provided with an opening through which the grown snow is dropped; 
 a scraping member for scraping the snow inside the container; and 
 a driver for driving the scraping member, and 
   the transmitter is configured to receive a force by the scraping member as the external force to incline the receiving surface of the receiving member or move the receiving surface.