Wiper arm driving mechanism

Details Wiper arm driving mechanism Wiper arm driving mechanism

1981-06-19

1982-11-16

Feldman, Peter

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

74 50, 1525034, B60S 124

Patent

active

043588697

ABSTRACT:
A driving mechanism for reciprocating a windshield wiper arm having maximum velocity at the mid-portion of the wiper stroke and zero velocity and minimum acceleration at the outboard ends of the stroke. The driving mechanism includes a slotted follower having a semicircular shape with ends pivotally secured to a housing. An output drive shaft extends from the motor housing and has a curved crank attached thereto for rotation. The crank includes a pin at one end which extends into the follower slot for converting the rotary motion of the output drive shaft into reciprocable motion of the follower. The follower transmits the reciprocable motion to a drive shaft connected to the wiper arm for reciprocating the wiper across the windshield surface.

REFERENCES:
patent: 2393193 (1946-01-01), Sacchini
patent: 2494538 (1950-01-01), Baldo
patent: 3060755 (1962-10-01), De Brosse et al.
patent: 3741004 (1973-06-01), Posakony
patent: 3974826 (1976-08-01), Eggleton et al.
patent: 4103556 (1978-08-01), Niday
patent: 4120291 (1978-10-01), Paton et al.
patent: 4215585 (1980-08-01), Kunii et al.

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