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Title:
METHOD AND DEVICE FOR MAKING GARDEN STONE
Document Type and Number:
Japanese Patent JPS5554171
Kind Code:
A
Abstract:

PURPOSE: To very easily and quickly make a stone cut off a mountain, into a garden stone which looks as if it were naturally shaped in the flow or a river.

CONSTITUTION: Shafts 9 projecting from the centers of both the sides of a rotary drum 1 are supported on struts 8 set up on a base 7. Guide projections 10 are provided on the peripheries of both the sides of the drum 1 and revolvably supported on a plurality of rollers 11 provided on the base 7 at both the sides of the drum. A speed reducer 12 is installed between the rotary drum 1 and a motor 3 secured on one part of the base 7. The motor and the speed reducer are coupled to each other through a chain 13. The sped reducer 12 is also coupled through another chain 15 to a sprocket 14 fixed on a shaft 9 to rotate the drum 1 by the motor 3. Raw stones, pebbles and water are put into the rotary drum 1 through an opening 4. After the opening is closed, the drum is rotated to make the raw stones into garden stones.


Inventors:
YAMADA AKIO
Application Number:
JP1978000123799
Publication Date:
April 21, 1980
Filing Date:
October 07, 1978
Export Citation:
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Assignee:
YAMADA AKIO
International Classes:
B24B31/00; B24B31/02; B28B11/08; (IPC1-7): B24B31/02; B28B11/08
Domestic Patent References:
JPS53134297A1978-11-22
JP54109994B
Foreign References:
US3167890A1965-02-02



 
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