Wiper with self compensating blade park position

Details Wiper with self compensating blade park position Wiper with self compensating blade park position

1991-04-11

1991-11-05

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525016, 1525013, 74411, B60S 144, B60S 140

Patent

active

050621769

ABSTRACT:
A wiper blade support is joined to a wiper arm by a yielding mechanism that maintains the two in a fixed angular relation during normal wipe, but which yields to allow the wiper blade to move more closely parallel to the windshield lower edge at park. The yielding mechanism includes a leaf spring indirectly joined between the wiper arm and blade support which buckles only when the wiper blade hits the lower edge of the windshield, allowing the compensating blade rotation, but remains flat during normal wipe.

REFERENCES:
patent: 1694245 (1928-12-01), Baker et al.
patent: 2644187 (1953-07-01), Lacy
patent: 3453679 (1969-07-01), Thorlakson
patent: 3660862 (1972-05-01), Scinta
patent: 3818535 (1974-06-01), Ito
patent: 4707876 (1987-11-01), Carducci
patent: 4765018 (1988-08-01), Buchanan, Jr.
patent: 4935983 (1990-06-01), Yamamoto et al.

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