T-square

Patent metadata

Field	Value
Publication number	US-9259958-B2
Application number	US-201313967556-A
Country	US
Kind code	B2
Filing date	Aug 15, 2013
Priority date	Aug 15, 2013
Publication date	Feb 16, 2016
Grant date	Feb 16, 2016

Abstract

A T-square for measuring and marking a panel comprises a housing; a rule mounted to the housing and arranged to engage a flat surface of a panel; a blade guide for receiving a blade, the blade guide mounted on the rule; and two moveable arms coupled to the housing and arranged to engage an edge of the panel.

First claim

The invention claimed is:

1. A T-square for measuring and marking a panel comprising:
a housing;
a rule mounted to the housing and arranged to engage a flat surface of a panel;
a blade guide for receiving a blade, the blade guide mounted on the rule; and
two moveable arms coupled to the housing and arranged to engage an edge of the panel;
wherein each of the two arms are moveable independently of each other.

2. A T-square according to claim 1 , wherein the rule has
a fixed length
and wherein the blade guide is mounted to the rule so as to be positioned on the rule at one or more places along the fixed length.

3. A T-square according to claim 1 wherein the two moveable arms are pivotable with respect to the housing.

4. A T-square according to claim 1 wherein the two moveable arms are fixedly moveable between a plurality of positions.

5. A T-square according to claim 1 wherein the T-square comprises at least one stop member for stopping the movement of the two moveable arms.

6. A T-square according to claim 5 wherein each of the two moveable arms comprise the at least one stop member.

7. A T-square according to claim 6 wherein when the at least one stop member abuts the housing the respective moveable arm is perpendicular with respect to the rule.

8. A T-square according to claim 1 wherein the two moveable arms each comprise reciprocal gripping portions for engaging each other and locking the two moveable arms with respect to each other.

9. A T-square according to claim 8 wherein each gripping portion comprises a set of teeth interlockable with the other set of teeth on the other gripping portion.

10. A T-square according to claim 1 wherein the two moveable arms are lockable with respect to the housing with a first locking knob.

11. A T-square according to claim 1 wherein the blade guide is moveable with respect to the rule.

12. A T-square according to claim 11 wherein the blade guide is lockable with respect to the rule with a second locking knob.

13. A T-square according to claim 1 wherein at least one of the two moveable arms comprise a lip portion for engaging a flat surface of the panel.

14. A T-square according to claim 1 wherein the blade guide is configured for scoring the panel.

Assignees

• Stanley Black & Decker Inc
• Stanley Black & Decker Inc

Inventors

• Chernyshou Aliaksei

Classifications

• B43L7/12

  Square and pivoted straightedges · CPC title

• B43L7/14

  Square and sliding straight edges · CPC title

• G01B3/04

  rigid · CPC title

• G01B3/566

  Squares · CPC title

• B25H7/02

  Plates having a flat surface · CPC title