Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1980-10-30
1982-09-07
Feldman, Peter
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
15250A, 1525023, B60S 140
Patent
active
043476406
ABSTRACT:
A connector assembly, for use in connecting a wiper arm and a wiper blade for pivotal movement of the blade in relation to the arm about a common axis which in use is substantially perpendicular to the surface to be wiped, comprises two basic parts, namely a first part (11) for attachment to the wiper arm and a second part (12) for attachment directly or indirectly to the wiper blade, the parts being pivotally connected together for relative angular movement about the common axis (13). The assembly includes a discrete element (33) arranged for rotation about the common axis in relation to one of the parts (11) and there are two first abutment faces (31, 32) on that part (11), and two second abutment faces (36, 37) on the discrete element, the second faces being arranged to co-operate with the respective first faces to limit the range of relative angular movement of the two parts (11, 12) about the common axis. A coil spring 38 acts between the two parts (11, 12), and a tail (40 ) of the spring couples the element (33) to the other part (12).
REFERENCES:
patent: 1727456 (1929-09-01), Uddenborg
patent: 2587168 (1952-02-01), Kessler
patent: 3453679 (1969-07-01), Thorlakson
patent: 3660862 (1972-05-01), Scinta
patent: 4208759 (1980-06-01), Nixon
Feldman Peter
Liss E. Herbert
Trico Products Corporation
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