CA2513243A1 - Safe angle guide gauge for use in climbing ladders - Google Patents
Safe angle guide gauge for use in climbing ladders Download PDFInfo
- Publication number
- CA2513243A1 CA2513243A1 CA 2513243 CA2513243A CA2513243A1 CA 2513243 A1 CA2513243 A1 CA 2513243A1 CA 2513243 CA2513243 CA 2513243 CA 2513243 A CA2513243 A CA 2513243A CA 2513243 A1 CA2513243 A1 CA 2513243A1
- Authority
- CA
- Canada
- Prior art keywords
- face plate
- safe angle
- angle guide
- guide gauge
- climbing ladders
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/003—Indicating devices, e.g. user warnings or inclinators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/12—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
A device for determining if a ladder is at a safe angle comprises a casing having a face plate mounted therein. The face plate has an indicator pivotally connected thereto. The indicator has a central axle extending through the face plate, a counterweight affixed to an inner end of the axle behind the face plate and a pointer affixed to an outer end of the axle. The face plate has an outer surface that is provided with visible markings to which the pointer may point to indicate whether a ladder to which the device is attached is set at a safe angle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2513243 CA2513243C (en) | 2005-08-08 | 2005-08-08 | Safe angle guide gauge for use in climbing ladders |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2513243 CA2513243C (en) | 2005-08-08 | 2005-08-08 | Safe angle guide gauge for use in climbing ladders |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2513243A1 true CA2513243A1 (en) | 2007-02-08 |
CA2513243C CA2513243C (en) | 2008-10-07 |
Family
ID=37728048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2513243 Expired - Fee Related CA2513243C (en) | 2005-08-08 | 2005-08-08 | Safe angle guide gauge for use in climbing ladders |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2513243C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140131541A1 (en) * | 2012-11-14 | 2014-05-15 | William D. Polzen | Ladder safety device and method of attachment |
-
2005
- 2005-08-08 CA CA 2513243 patent/CA2513243C/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140131541A1 (en) * | 2012-11-14 | 2014-05-15 | William D. Polzen | Ladder safety device and method of attachment |
US9482053B2 (en) * | 2012-11-14 | 2016-11-01 | William D. Polzen | Ladder safety device and method of attachment |
Also Published As
Publication number | Publication date |
---|---|
CA2513243C (en) | 2008-10-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20140808 |