Wiper arm assembly for motor vehicles

Details Wiper arm assembly for motor vehicles Wiper arm assembly for motor vehicles

1988-04-11

1989-05-23

Feldman, Peter

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

B60S 118

Patent

active

048316792

ABSTRACT:
The invention relates to a wiper arm assembly for motor vehicles, comprising an oscillating mounting head (1), a rod (2) rigidly secured to the mounting head (1), a slidable element (3) pivotally (12) secured to a channel (4) and arm extension (7) and capable of sliding on said rod (2). Inside the channel (4) spring means are provided which are capable of biasing the arm extension (7) towards the surface to be wiped. A stationary bar (8) is rigidly attached to the vehicle body and a movable bar (9) is pivotally secured (10) to the stationary bar (8) at one of its ends and pivotally secured (11) to the slidable element (3) at the other of its ends. When the mounting head (1) and said rod (2) are oscillating the movable bar (9) oscillates too and imparts a back and forth movement to the slidable element (3), to the channel (4) and to the arm extension ( 7). A radial movement is thus superimposed on the oscillating movement.

REFERENCES:
patent: 1660971 (1928-02-01), Lindner
patent: 2308212 (1943-01-01), Scott-Iversen et al.
patent: 3003173 (1961-10-01), Ziegler
patent: 4447928 (1984-05-01), Schuch et al.
patent: 4625359 (1986-12-01), Egner-Walter et al.

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