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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-5740703-A, on 21 April 1998. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000003222

Power wrench apparatus having a positive sliding clamp

Published
Permanent URL
Classification
Tools & Tooling › Clamping Tools
Original source
US-5740703-A, the United States Patent and Trademark Office, 21 April 1998
Document SHA-256
31fc39dfaaa93d196eb9e27b0c23bd925a39e03155f7c39ae9fb07be6f6016b8

A tong apparatus is provided for gripping a pipe. The apparatus includes a support having a track, a first positive stop, and a second positive stop. The apparatus also includes a jaw assembly having a base slidably coupled to the track of the support. The jaw assembly includes a cylinder having a movable piston. The cylinder is rigidly coupled to the base. The jaw assembly also includes a clamp for gripping the pipe. The clamp has a first jaw coupled to the movable piston and a second jaw coupled to the base. The first jaw has at least one stop located between the first and second positive stops of the support so that when the piston is extended from the cylinder the first jaw initially moves toward the second jaw until the first jaw engages the first positive stop. Further extension of the piston causes the base, the cylinder, and the second jaw to move relative to the support toward the first jaw until the second jaw engages the pipe to grip the pipe and prevent rotation of the pipe relative to the jaw assembly.

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Abstract

A tong apparatus is provided for gripping a pipe. The apparatus includes a support having a track, a first positive stop, and a second positive stop. The apparatus also includes a jaw assembly having a base slidably coupled to the track of the support. The jaw assembly includes a cylinder having a movable piston. The cylinder is rigidly coupled to the base. The jaw assembly also includes a clamp for gripping the pipe. The clamp has a first jaw coupled to the movable piston and a second jaw coupled to the base. The first jaw has at least one stop located between the first and second positive stops of the support so that when the piston is extended from the cylinder the first jaw initially moves toward the second jaw until the first jaw engages the first positive stop. Further extension of the piston causes the base, the cylinder, and the second jaw to move relative to the support toward the first jaw until the second jaw engages the pipe to grip the pipe and prevent rotation of the pipe relative to the jaw assembly.

1. Drawings

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Publication information

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Citation

OpenTechnical Publication OT-2026-000003222, “Power wrench apparatus having a positive sliding clamp,” published September 15, 2026 at 19:51:47 UTC, https://opentechnical.org/p/OT-2026-000003222.

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This record reproduces a document published elsewhere and is provided for reference and study. Rights in the original remain with its owner. See the publication policy.