Cooperative system of windshield washer and wiper with intermittent wiper operating mechanism

Claim 2

A cooperative system of a wiper and a washer comprising in combination: a. a wiper motor for operating a wiper; b. temperature responsive switch means having normally open contacts connected in series between said wiper motor and a power source; c. a heating wire for causing said temperature responsive switch means to respond to a heat and controlling said switch means with a predetermined time delay; d. a first parallel connection circuit for connecting said normally open contacts of said temperature responsive switch means in parallel with said heating wire, said circuit including a wiper intermittent operation switch; e. a washer motor for operating a washer; f. a washer switch connected to said power source in series with said washer motor; and g. a second parallel connection circuit for connecting said heating wire in parallel with said washer motor, said circuit including current stopping means for preventing a current from said power source from flowing into said washer motor upon closing said intermittent operation switch.

Claim 3

A cooperative system of a wiper and a washer comprising in combination: a. a wiper motor for operating a wiper; b. temperature responsive switch means having normally open contacts connected in series between said wiper motor and a power source; c. a heating wire for causing said temperature responsive switch means to respond to a heat and controlling said switch means with a predetermined time delay; d. a first parallel connection circuit for connecting said normally open contacts of said temperature responsive switch means in parallel with said heating wire, said circuit including a wiper intermittent operation switch; e. a washer motor for operating a washer; f. a washer switch connected to said power source in series with said washer motor; and g. a second parallel connection circuit for connecting said heating wire in parallel with said washer motor, said circuit including current stopping means for preventing a current from said power source from flowing into said washer motor upon closing said intermittent operation switch.

Claim 4

A cooperative system of a wiper and a washer comprising in combination: a. a wiper motor for operating a wiper; b. temperature responsive switch means having normally open contacts connected in series between said wiper motor and a power source; c. a heating wire for causing said temperature responsive switch means to respond to a heat and controlling said switch means with a predetermined time delay; d. a first parallel connection circuit for connecting said normally open contacts of said temperature responsive switch means in parallel with said heating wire, said circuit including a wiper intermittent operation switch; e. a washer motor for operating a washer; f. a washer switch connected to said power source in series with said washer motor; and g. a second parallel connection circuit for connecting said heating wire in parallel with said washer motor, said circuit including current stopping means for preventing a current from said power source from flowing into said washer motor upon closing said intermittent operation switch.

Claim 5

A cooperative system according to claim 1, wherein a variable resistor is provided in the series connection of said heating wire and said intermittent operation switch to make said time delay of said temperature responsive switch means adjustable.

Claim 6

A cooperative system according to claim 1 further including an automatic stop switch having normally closed contacts adapted to open only when said wiper is in a predetermined position, said normally closed contacts of said automatic stop switch being connected in parallel with said normally open contacts of said temperature responsive switch means.

Claim 7

A cooperative system according to claim 1 further including a second intermittent operation switch operatively associated with said intermittent operation switch, normally closed contacts adapted to open upon closing of said normally open contacts of said temperature responsive switch means, a second heating wire connected to said power source in series with said second intermittent operation switch and said normally closed contacts of said temperature responsive switch means, and second temperature responsive switch means having normally closed contacts operable in response to a heat generated by said second heating wire with a predetermined time delay, said normally closed contacts of said second temperature responsive switch means being provided in the series circuit of said first-mentioned heating wire and said first-mentioned intermittent operation switch.

Claim 8

A cooperative system according to claim 1 further including second current stopping means provided in said first parallel connection circuit, whereby when said washer switch is closed during the intermittent operation of said wiper, current is prevented from flowing through the closed normally open contacts of said temperature responsive switch means, said first parallel connection circuit, said second parallel connection circuit, and said closed washer switch from said power source.

Claim 9

A cooperative system of a wiper and a washer comprising in combination: a. a wiper motor for operating a wiper; b. first temperature responsive switch means having normally open contacts connected in series between said wiper motor and a power source; c. a first heating wire for causing said first temperature responsive switch means to respond to a heat and controlling said switch means with a predetermined time delay; d. a first parallel connection circuit for connecting said normally open contacts of said first temperature responsive switch means in parallel with said first heating wire, said first parallel connection circuit including a second heating wire and normally closed contacts of second temperature responsive switch means responding to a heat generated by said second heating wire and controlled by said second heating wire with a predetermined time delay, the series connection of said second heating wire and said normally open contacts of said first temperature responsive switch means and the series connection of said first heating wire and said normally closed contacts of said second temperature responsive switch means being connected in parallel with each other; e. an intermittent operation switch connected to said power source in series with said series connection of said first heating wire and said normally closed contacts of said second temperature responsive switch means; f. a washer motor for operating a washer; g. a washer switch connected to said power source in series with said washer motor; and h. a second parallel connection circuit for connecting said first heating wire in parallel with said washer motor, said second parallel connection circuit including current stopping means for preventing current from flowing into said washer motor from said power source upon closing said intermittent operation switch.

Claim 10

A cooperative system of a wiper and a washer comprising in combination: a. a wiper motor for operating a wiper; b. first temperature responsive switch means having normally open contacts connected in series between said wiper motor and a power source; c. a first heating wire for causing said first temperature responsive switch means to respond to a heat and controlling said switch means with a predetermined time delay; d. a first parallel connection circuit for connecting said normally open contacts of said first temperature responsive switch means in parallel with said first heating wire, said first parallel connection circuit including a second heating wire and normally closed contacts of second temperature responsive switch means responding to a heat generated by said second heating wire and controlled by said second heating wire with a predetermined time delay, the series connection of said second heating wire and said normally open contacts of said first temperature responsive switch means and the series connection of said first heating wire and said normally closed contacts of said second temperature responsive switch means being connected in parallel with each other; e. an intermittent operation switch connected to said power source in series with said series connection of said first heating wire and said normally closed contacts of said second temperature responsive switch means; f. a washer motor for operating a washer; g. a washer switch connected to said power source in series with said washer motor; and h. a second parallel connection circuit for connecting said first heating wire in parallel with said washer motor, said second parallel connection circuit including current stopping means for preventing current from flowing into said washer motor from said power source upon closing said intermittent operation switch.

Claim 11

A cooperative system according to claim 6 further including an automatic stop switch having normally closed contacts adapted to open only when said wiper is in a predetermined position, said normally closed contacts of said automatic stop switch being connected in parallel with said normally open contacts of said first temperature responsive switch means.

Claim 12

A cooperative system according to claim 6, wherein said first parallel connection circuit further includes second current stopping means for preventing current from flowing through said first heating wire, said normally closed contacts of said second temperature responsive switch means, said second heating wire and said wiper motor.

Claim 13

A cooperative system according to claim 6 further including normally closed contacts adapted to open upon closing of said normally open contacts of said first temperature responsive switch means and resistor means, said normally closed contacts being connected in series in the series connection of said first heating wire and said normally closed contacts of said second temperature responsive switch means, said resistor means being connected in parallel with said first-mentioned normally closed contacts.

Claim 14

A cooperative system according to claim 9, wherein there are further provided normally open contacts adapted to close upon opening of said normally closed contacts of said second temperature responsive switch means, second resistor means, said series connection of said first heating wire and said normally closed contacts being cOnnected in parallel with said series connection of said second heating wire and said normally open contacts of said first temperature responsive switch means through said normally open contacts of said second temperature responsive switch means and said second resistor means, and a short circuit for short-circuiting said last-mentioned series connection through said normally closed contacts of said second temperature responsive switch means.

Claim 15

A cooperative system according to claim 10 further including an automatic stop switch having normally closed contacts adapted to open only when said wiper is in a predetermined position, said normally closed contacts being connected in parallel with said normally open contacts of said first temperative responsive switch means.

Claim 16

A cooperative system according to claim 10 further including third current stopping means for prevent current from flowing into said short circuit through said normally closed contacts of said first temperature responsive switch means, said first heating wire, said second heating wire, and said wiper motor.