Patent ID: 11925295
Assignee: J.M. DE JONG DUKE AUTOMATENFABRIEK B.V.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 30:
31. A grinding device comprising drive means and a grinding housing, which grinding housing comprises a set of mutually co-acting grinding bodies with mutually facing grinding surfaces which maintain a mutual clearance, wherein at least a driven grinding body of the set of grinding bodies is suspended rotatably about a central axis thereof in the grinding housing and is coupled, or at least can be coupled, operatively to the drive means for performing a rotation about the central axis during operation, and wherein adjusting means are provided whereby at least an adjustable grinding body of the set of grinding bodies is axially adjustable for imposing a desired mutual clearance between the grinding surfaces, wherein a first and lower of the set of mutually co-acting grinding bodies is both driven and adjustable, wherein a second and upper grinding body of the set of mutually co-acting grinding bodies is arranged in stationary manner, wherein the second grinding body is connected to the grinding housing in manually detachable manner, wherein the drive means comprise a drive platform with a main motor and with an actuator, wherein the main motor is or at least can be operatively coupled with a first transmission to the driven grinding body, wherein the actuator is or at least can be operatively coupled with a second transmission to the adjustable grinding body, and wherein the grinding housing is coupled to the drive platform in manually detachable manner.