Mechanical-hydraulic control device for controlling the...

Details Mechanical-hydraulic control device for controlling the... Mechanical-hydraulic control device for controlling the...

2006-12-05

2006-12-05

Luong, Vinh T. (Department: 3682)

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Locking means

C074S81300L, C074S81300L, C074S826000, C029S03800E

Reexamination Certificate

active

07143665

ABSTRACT:
An improved mechanical-hydraulic device for controlling the locking and unlocking movements of a rotary disk—ring gear system comprises a mechanical screw and screw-nut assembly for driving the disk between a locking position, and an unlocking position, and a cooperating hydraulic assembly for controlling the engagement force of the ring gears and accordingly the locking force of the rotary disk to perform high speed and safe locking and unlocking movements of the rotary disk.

REFERENCES:
patent: 3126766 (1964-03-01), Bent
patent: 3798722 (1974-03-01), Lutz
patent: 4080849 (1978-03-01), Benjamin et al.
patent: 5090489 (1992-02-01), Ettori
patent: 5261148 (1993-11-01), Ettori
patent: 5271134 (1993-12-01), Schips
patent: 6053075 (2000-04-01), Porta
patent: 6240807 (2001-06-01), Hebener et al.

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