US 2022/0297210 A1Published application

Hole saw

OwnerMark Turnerinventor

Life of this patent

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Abstract

A hole saw includes a base member configured to secure the hole saw to a drive device and a plurality of blade members extending orthogonally to the base member. The blade members are configured to cut into a structure to form a polygonal opening in the structure in response to rotational movement of the hole saw by the drive device. Each blade member is attached to the base member in a fixed position relative to the base member and has cutting teeth extending in a respective cutting direction. First and second blade members of the plurality are disposed parallel to each other and have I-shaped faces that face each other. Third and fourth blade members of the plurality are disposed parallel to each other and have I-shaped faces that face each other.

Claims10

Dependent claims

A hole saw, comprising:

a base member configured to secure the hole saw to a drive device;
and
a plurality of blade members extending orthogonally to the base member, the plurality of blade members configured to cut into a structure to form a polygonal opening in the structure in response to rotational movement of the hole saw by the drive device relative to the structure, each blade member attached to the base member in a fixed position relative to the base member, each blade member having cutting teeth extending in a respective cutting direction, a first blade member of the plurality disposed parallel to a second blade member of the plurality wherein an I-shaped face of the first blade member faces an I-shaped face of the second blade member, a third blade member of the plurality disposed parallel to a fourth blade member of the plurality wherein an I-shaped face of the third blade member faces an I-shaped face of the fourth blade member.

Dependencies are inferred from the claim text.

Facts

Application: 17/805,589Filed 6 Jun 2022
Priority: 3 Dec 2015
Published: 22 Sep 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

B23D 49/11
Hand-held or hand-operated sawing devices with straight saw blades: for special purposes, e.g. offset-blade hand; Hand saws having spaced blades;…
B23D 49/003
Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws: having a plurality of saw blades or saw blades having plural…
B23D 61/006
Tools for sawing machines or sawing devices ; Clamping devices for these tools: oscillating saw blades
B23D 61/18
Tools for sawing machines or sawing devices ; Clamping devices for these tools: sawing tools of special type, e.g. wire saw strands, saw blades or…

Family

Application62/262,813Us provisional application · filed 3 Dec 2015
Application15/066,163Continuation · filed 10 Mar 2016
Application16/141,756Continuation · filed 25 Sep 2018
Application16/905,647Continuation · filed 18 Jun 2020
Application17/805,589Continuation
US 10,688,573 B2Related patent
US 11,364,559 B2Related patent
US 2017/0157687 A1Published application
US 2019/0022774 A1Published application
US 2020/0316698 A1Published application
US 2022/0297210 A1This patent

From the US filing history. Foreign family members aren’t listed.

Timeline

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