Seal for portable fastener driving tool
First Claim
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1. A seal for use in a fastener-driving tool on a component moving relative to another component, comprising:
- a component body defining at least one seal groove;
a metallic ring disposed in said at least one seal groove; and
a polymeric ring disposed in said at least one seal groove in operational relationship to said metallic ring;
wherein said at least one seal groove is keyed, and said polymeric ring is provided with a key formation for engagement in a desired position in said at least one groove upon installation.
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Abstract
A seal for use in a fastener-driving tool on a component moving relative to another component, includes a component body defining at least one seal groove, a metallic ring disposed in the at least one seal groove, and a polymeric ring disposed in the at least one seal groove in operational relationship to the metallic ring.
32 Citations
24 Claims
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1. A seal for use in a fastener-driving tool on a component moving relative to another component, comprising:
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a component body defining at least one seal groove;
a metallic ring disposed in said at least one seal groove; and
a polymeric ring disposed in said at least one seal groove in operational relationship to said metallic ring;
wherein said at least one seal groove is keyed, and said polymeric ring is provided with a key formation for engagement in a desired position in said at least one groove upon installation. - View Dependent Claims (2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 22)
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3. (canceled)
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15. A seal for use in a fastener-driving tool with at least one exhaust valve on a component moving relative to another component, comprising:
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a component body defining at least one seal groove having a body key formation disposed in an adjacent orientation relative to the at least one exhaust valve;
a polymeric ring having a joint, being separately formed from said component body, and configured for disposition in said at least one seal groove and having a ring key formation diametrically opposed to said joint and configured for engaging said body key formation, such that upon installation in said at least one groove, said joint is free of operational contact with the at least one exhaust valve. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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23. A seal for use in a fastener-driving tool on a component moving relative to another component, comprising:
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a component body defining a first seal groove and a second seal groove separately disposed from said first seal groove;
a metallic ring disposed in said first seal groove; and
a polymeric ring disposed in said second seal groove. - View Dependent Claims (24)
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Specification