Back to results
US 2023/0067592 A1Published application
A Multipurpose Screw
AssigneeB.M.B. Investments Pty Ltd
InventorMatthew Augimeri
Life of this patent
Estimating the term…
Abstract
A multipurpose screw is provided. The screw comprises: a head having a tool engaging formation, a self-drilling drill tip, and a shank extending between the head and the drill tip. The shank includes a threaded portion and an unthreaded portion. The threaded portion includes a major thread extending from the drill tip. The ratio between the major diameter of the major thread and the pitch of the major thread is from 1.2 to 2.4.
Claims20
A multipurpose screw comprising:
- a head having a tool engaging formation;
- a self-drilling drill tip;
- a shank extending between the head and the drill tip, and including a threaded portion and an unthreaded portion, the threaded portion including a major thread extending from the drill tip, wherein the ratio between the major diameter of the major thread and the pitch of the major thread is from 1.2 to 2.4;
- wherein the threaded portion includes a secondary or low thread extending from the drill tip to define with the major thread a high/low thread which does not extend along the shank for as far as the major thread;
- and
- wherein the major thread is formed with a series of swarf indents defining at least one swarf channel.
3 more elements
(canceled)
(canceled)
Dependencies are inferred from the claim text.