Asymmetric sectioned convex mirrors

• US 10,525,888 B1
• Filed: 07/30/2018
• Issued: 01/07/2020
• Est. Priority Date: 11/01/2006
• Status: Active Grant

• Current Assignee: Rosco Incorporated
• Original Assignee: Rosco Incorporated
• Inventors: Englander, Benjamin, Serer, Julian
• Primary Examiner(s): Shafer, Ricky D
• Application Number:
  US16/049,645
• Time in Patent Office: 526 Days
• Field of Search: 359850, 359851, 359864, 359868, 359869
• CPC Class Codes: B60R 1/007 specially adapted for covering the lateral blind spot not covered by the usual rear-view mirror
• CPC Class Codes: B60R 1/06 mounted on vehicle exterior B60R1/025, B60R1/08 take precedence
• CPC Class Codes: B60R 1/082 using a single wide field mirror or an association of rigidly connected mirrors
• CPC Class Codes: B60R 1/10 Front-view mirror arrangements; specially adapted for covering the peripheral part of the vehicle B60R1/002; Periscope arrangements , i.e. optical devices using combinations of mirrors, lenses, prisms or the like specially adapted for covering the peripheral part of the vehicle B60R1/002; for viewing traffic-lights B60R1/005; Other mirror arrangements giving a view from above or under the vehicle
• CPC Class Codes: G02B 5/09 Multifaceted or polygonal mirrors , e.g. polygonal scanning mirrors; Fresnel mirrors
• CPC Class Codes: G02B 5/10 with curved faces

Abstract

Asymmetric sectioned mirrors are presented. The mirrors include, for example, constant radius of curvature sections that are selected to increase the sizes and improve the definitions of images, for example images of children milling, walking and/or standing about either the front or alongside regions of a school bus. The mirrors may be asymmetric in either or both the horizontal and vertical directions. The mirrors may include a mounting system capable of using both ball mounts and tunnel mounts.

Claims

1. A cross view asymmetric mirror comprising:

a convex mirror lens which defines at least one substantially width-wise extending axis and at least one substantially height-wise extending axis, wherein the convex mirror lens defines a base with a peripheral edge lying in a flat plane, the peripheral edge is asymmetric at least with respect to one of the width-wise extending axis and the height-wise extending axis, said convex mirror lens including;

a plurality of mirror lens sections arranged at least width-wise along the mirror lens, said plurality of mirror lens sections including;

a first mirror lens section having a first radius of curvature, located to one side relative to the height-wise axis of the mirror lens;

a second mirror lens section having a second radius of curvature which is different from the first radius of curvature, located to the other side of the height-wise extending axis of the mirror lens; and

a third mirror lens section comprising a substantially narrow strip of at least one of a constant and changing curvature mirror surface joined to, and in between, said first and second sections, producing a smoothly changing image size between said first and second sections.

2. The cross view asymmetric mirror of claim 1, wherein the peripheral edge of the base is neither circular, nor oval, nor elliptical in shape and is asymmetric with respect to both the width-wise extending axis and the height-wise extending axis.

3. The cross view asymmetric mirror of claim 1, further comprising:

a fourth mirror lens section having at least one of a constant and changing radius of curvature located between the first mirror lens section and the third mirror lens section; and

a fifth mirror lens section having at least one of a constant and changing radius of curvature located between the second mirror lens section and the third mirror lens section.

4. The cross view asymmetric mirror of claim 1, further comprising at least one fourth section comprising a substantially narrow strip of a changing curvature mirror surface joined with at least one of said first and second sections producing a smoothly changing image size.

5. The cross view asymmetric mirror of claim 1, further comprising at least one fourth section comprising a substantially narrow strip of at least one of a constant and changing curvature mirror surface joined to, and in between, said first and third sections, producing a smoothly changing image size between said first and third sections.

6. The cross view asymmetric mirror of claim 5, further comprising at least one fifth section comprising a substantially narrow strip of at least one of a constant and changing curvature mirror surface joined to, and in between, said second and third sections, producing a smoothly changing image size between said second and third sections.

7. The cross view asymmetric mirror of claim 1, wherein the third radius of curvature is a constant radius of curvature which is larger than the first and second radius of curvature.

8. A cross view asymmetric mirror comprising:

a convex mirror lens which defines at least one substantially width-wise extending axis and at least one substantially height-wise extending axis, wherein the convex mirror lens defines a base with a peripheral edge lying in a flat plane, and the peripheral edge of the base asymmetrical shaped and including a plurality of mirror lens sections arranged at least width-wise along the mirror lens, said plurality of mirror lens sections including;

a first mirror lens section having a first radius of curvature, located to one side relative to the height-wise axis of the mirror lens;

a second mirror lens section having a second radius of curvature which is different from the first radius of curvature, located to the other side of the height-wise extending axis of the mirror lens; and

a third mirror lens section comprising a substantially narrow strip of at least one of a constant and changing curvature mirror surface joined to, and in between, said first and second sections, producing a smoothly changing image size between said first and second sections.

9. The cross view asymmetric mirror of claim 8, wherein at least one of the first, second and third radii of curvature comprises a varying radius of curvature, and at least another of the first, second and third radii of curvature comprises a constant radius of curvature.

10. The cross view asymmetric mirror of claim 8, wherein the third radius of curvature is a constant radius of curvature which is larger than the first and second radii of curvature.

11. The cross view asymmetric mirror of claim 8, further comprising:

a fourth mirror lens section having at least one of a constant and changing radius of curvature located between the first mirror lens section and the third mirror lens section; and

a fifth mirror lens section having at least one of a constant and changing radius of curvature located between the second mirror lens section and the third mirror lens section.

12. The cross view asymmetric mirror of claim 8, wherein the convex mirror lens is asymmetric with respect to both the width-wise extending axis and the height-wise extending axis.

13. The cross view asymmetric mirror of claim 8, further comprising at least one fourth section comprising a substantially narrow strip of a changing curvature mirror surface joined with at least one of said first and second sections or said second and third sections producing a smoothly changing image size.

14. The cross view asymmetric mirror of claim 8, further comprising at least one fourth section comprising a substantially narrow strip of at least one of a constant and changing curvature mirror surface joined to, and in between, said first and third sections producing a smoothly changing image size between said first and third sections.

15. The cross view asymmetric mirror of claim 14, further comprising at least one fifth section comprising a substantially narrow strip of at least one of a constant and changing curvature mirror surface joined to, and in between, said second and third sections, producing a smoothly changing image size between said second and third sections.

16. The cross view asymmetric mirror of claim 8, further comprising at least one fourth section comprising a substantially narrow strip of a step-wise changing curvature mirror surface joined to, and in between, at least one of said first and third sections or said second and third sections, producing a smoothly changing image size between said first and third sections.