Tools – Wrench – screwdriver – or driver therefor – Flexible
Patent
1993-06-28
1995-02-14
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Flexible
81 343, B25B 1352
Patent
active
053884850
ABSTRACT:
A new and improved oil filter wrench includes a band assembly. An abrasive-surface-containing flexible sheet assembly is connected to the band assembly and is installed over the inner band surface. A handle assembly is connected respective ends of the band assembly. The abrasive-surface-containing flexible sheet assembly includes a sandpaper strip. An adhesive layer is applied to a backside of the sandpaper strip. A flexible, sandpaper strip mounting unit receives the adhesive-backed sandpaper strip. The sandpaper strip mounting unit includes a plurality of projections for connecting the unit to the band assembly. The band assembly includes a plurality of mounting apertures, and the projections project rearward from the sandpaper strip mounting unit and engage the mounting apertures, such that the flexible, sandpaper strip mounting unit is mounted on the band assembly. The handle assembly includes a band tightening element pivotally connected to a hand grip portion. A handle member is connected to a portion of the band tightening element, such that a portion of the handle member can be rotated outside the plane of the band assembly to install or remove an oil filter. A torque indicating assembly is connected to the band assembly for indicating torque applied by the apparatus to the oil filter. A hand-protecting shroud assembly is installed on the handle assembly for protecting a user's hand during use of the apparatus.
REFERENCES:
patent: 4750388 (1988-06-01), Hagen et al.
patent: 4778730 (1988-10-01), Zucker
patent: 4916943 (1990-04-01), Siekawitch
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