Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Reexamination Certificate
2007-01-23
2007-01-23
Graham, Gary K. (Department: 1744)
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
C015S250040
Reexamination Certificate
active
10281704
ABSTRACT:
This invention relates to windshield wiper system which utilizes a flexible drive arm for withstanding bending loads applied to a wiper. The drive arm may be made of a pull-molded composite material having a relatively low modulus of elasticity and a relatively high elongation factor. The flexible arm twists in the presence a bending load and undergoes rapidly progressing elastic buckling when the bending load exceeds a predetermined amount.
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Seely, Fred B. “Elastic and Inelastic Buckling of Columns.” Advanced Mechanics of Materials. Second Edition. New York: John Wiley & Sons, Inc.
Penrod, James P., Yaomin Dong, and H. Charles Buchanan. “A Novel Use of a Composite Material to Limit the Loads in Windshield Wiper Systems.” Society of Automotive Engineers, 2001.
Graham Gary K.
Jacox Meckstroth & Jenkins
Valeo Electrical Systems, Inc.
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