End-effector assembly for countersinking a predrilled bore

Details End-effector assembly for countersinking a predrilled bore End-effector assembly for countersinking a predrilled bore

1987-07-14

1989-04-04

Abrams, Neil

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Movable relative to tool along tool-axis

33833, B23B 3900

Patent

active

048181544

ABSTRACT:
An end-effector assembly provides lateral compliance for a cutting tool while counter-sinking a bore in a workpiece. The assembly has a first subassembly which is connected to a gantry. A second subassembly may extend or retract relative to the first, such movement being driven by hydraulic or air cylinders. A third subassembly carries the cutting tool and motor for driving the same. This latter subassembly is connected to the second subassembly by a plurality of compliant members which cause the third subassembly to extend and retract correspondingly with the second, but which permit the third subassembly to shift laterally relative to the second. In this situation, the motor and cutting tool also shift laterally along with the third subassembly.

REFERENCES:
patent: 2210128 (1940-08-01), Rohr
patent: 2335614 (1943-11-01), Spievak
patent: 2829544 (1958-04-01), Bergstrom
patent: 4098001 (1978-07-01), Watson
patent: 4155169 (1979-05-01), Drake et al.
patent: 4242017 (1980-12-01), DeFazio
patent: 4332066 (1982-06-01), Hailey et al.
patent: 4337566 (1982-07-01), DiMatteo et al.
patent: 4337579 (1982-07-01), DeFazio
patent: 4338052 (1982-07-01), Lockett

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