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US 12,636,713 B2Granted
Modular hydraulic chuck
AssigneeKennametal Inc.
InventorsRuy Frota de Souza Filho, Santhosha Boregowda
Life of this patent
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Abstract
A hydraulic chuck may include an expansion sleeve, a plurality of pistons, and an actuator ring. The expansion sleeve may include a bore. The plurality of pistons may be axially mounted in at least one piston chamber of the expansion sleeve. The actuator ring may be rotatably mounted relative to the expansion sleeve. The actuator ring may be configured to actuate the plurality of pistons in the at least one piston chamber to hydraulically expand the expansion sleeve to provide a varying clamping force within the bore.
Claims12
A hydraulic chuck comprising:
- an expansion sleeve comprising a bore;
- a plurality of pistons axially mounted in at least one piston chamber of the expansion sleeve, the expansion sleeve comprising a plurality of pressure chambers containing hydraulic fluid, the plurality of pressure chambers connected to different piston chambers and extending axially adjacent the bore;
- and
- an actuator ring rotatably mounted relative to the expansion sleeve, the actuator ring configured to actuate the plurality of pistons in the at least one piston chamber to hydraulicly expand the expansion sleeve to provide a varying clamping force within the bore.
1 more element
Dependencies are inferred from the claim text.