Invention Grant
- Patent Title: Micro-peck feed drill clutch
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Application No.: US16003835Application Date: 2018-06-08
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Publication No.: US10654114B2Publication Date: 2020-05-19
- Inventor: Blake Forrest Babcock
- Applicant: Lockheed Martin Corporation
- Applicant Address: US MD Bethesda
- Assignee: Lockheed Martin Corporation
- Current Assignee: Lockheed Martin Corporation
- Current Assignee Address: US MD Bethesda
- Agency: Baker Botts L.L.P.
- Main IPC: B23B47/34
- IPC: B23B47/34 ; B23Q5/32 ; B23B45/00 ; B23B35/00

Abstract:
An apparatus includes a spindle, a pecking mechanism, and a clutch mechanism coupled to the pecking mechanism. The spindle includes a drill tool and the spindle is configured to be fed in a first direction during a drilling operation. The pecking mechanism is configured to retract the drill periodically during the drilling operation. The clutch mechanism is configured to selectively engage the pecking mechanism during a portion of the drilling operation. The clutch mechanism is configured to constrain the rotation of the washer such that the spindle drill is retracted a predefined distance periodically.
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