Invention Grant
- Patent Title: Cross-recess screwdriver grinding assembly
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Application No.: US15924874Application Date: 2018-03-19
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Publication No.: US10702965B2Publication Date: 2020-07-07
- Inventor: David Tubbs
- Applicant: David Tubbs
- Main IPC: B24B3/60
- IPC: B24B3/60 ; B24B27/00 ; B24B19/00

Abstract:
A cross-recess screwdriver sharpening assembly for sharpening a cross-recess screwdriver includes a housing that has a sharpening aperture. A plurality of grinding wheels is rotatably mounted within the housing. Each of the grinding wheels is arranged to define a grinding space. A plurality of sleeves is included wherein each of the sleeves is removably extendable into the interior of the housing to have the cross-recess screwdriver positioned therethrough such that the cross-recess screwdriver extends into the housing. The sharpening aperture receives one of the sleeves therethrough and is centrally aligned with the grinding space such that the cross-recess screwdriver is extendable into the grinding space to sharpen the cross-recess screwdriver. A drive is mounted in the housing and mechanically coupled to each of the grinding wheels. The drive is turned on to rotate each of the grinding wheels.
Public/Granted literature
- US20190283198A1 Cross- Recess Screwdriver Grinding Assembly Public/Granted day:2019-09-19
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