| 摘要 |
A tool designed primarily for the removal of oil filters of the canister type. The tool is generally cup shaped and of a design to operate in a minimum of working space. The tool has finger portions defined by cut-out openings equally spaced about the central axis. Gripping surfaces in the form of spring biased roller cams mounted on the finger portions serve to secure the tool on the canister when the tool is positioned thereon and to firmly grip and lock the tool upon the canister when rotated by a suitable wrench, thereby enabling the canister to be easily removed from the engine block.
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