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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-4922785-A, on 8 May 1990. 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-2026-000003455

Tubular camshaft assemblies and the like

Published
Permanent URL
Classification
Industrial Motion & Power Transmission › Rotary Motion
Assignee
GEN MOTORS CORP
Original source
US-4922785-A, the United States Patent and Trademark Office, 8 May 1990
Document SHA-256
9db6be708476d1deede06f4691a5290ca98079faa991ec2379174272de82a18c

Camshaft assemblies are disclosed with methods for making them by the expansion of tubular shafts into prelocated cams, journals and other elements, if desired. Features of the camshafts include trilobe or polylobe element openings, preferably splined or serrated for low energy filling and high torque capacity and High Strength Low Alloy mild steel tubular shaft material.

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Abstract

Camshaft assemblies are disclosed with methods for making them by the expansion of tubular shafts into prelocated cams, journals and other elements, if desired. Features of the camshafts include trilobe or polylobe element openings, preferably splined or serrated for low energy filling and high torque capacity and High Strength Low Alloy mild steel tubular shaft material.

1. Drawings

[0001]Sheet 1.

[0002]Sheet 2.

Publication information

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Citation

OpenTechnical Publication OT-2026-000003455, “Tubular camshaft assemblies and the like,” published September 15, 2026 at 20:29:39 UTC, https://opentechnical.org/p/OT-2026-000003455.

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