Cam-actuated timer switch

Claim 2

A cam-actuated timer switch comprising: a. a synchronous motor including an output shaft; b. a cam means including a primary and a secondary cam member, wherein said primary cam member is carried on said output shaft and said secondary cam member is carried on a second shaft substantially parallel to said output shaft; b''. means connecting said secondary cam member to said primary cam member; c. an electrical switching means responsive to said cam means including a long and short set of contact-carrying blades wherein said long set of contact-carrying blades is located on one side of a line through the centers of said primary and secondary cam members, and said short set of contact-carrying blades is located on the other side of said line; d. an enclosure substantially enveloping said cam means and said switching means; and e. an attachment means connecting said motor to said enclosure.

Claim 3

The cam-actuated timer switch according to claim 1 wherein said primary and secondary cam members each include a gear and two cam tracks separated by a cam separation means.

Claim 4

The cam-actuated timer switch according to claim 2 wherein said cam separation means comprises said gear.

Claim 5

The cam-actuated timer switch according to claim 2 wherein said means connecting said primary cam member to said secondary cam member comprises said gears on said primary and secondary cam members.

Claim 6

The cam-actuated timer switch according to claim 1 wherein said short set of contact-carrying blades is responsive to said secondary cam member and said long set of contact-carrying blades is responsive to said primary cam member.

Claim 7

The cam-actuated timer switch according to claim 1 wherein said enclosure comprises a cup-shaped housing and a substantially thin and flat cover.

Claim 8

The cam-actuated timer switch according to claim 6 wherein said cup-shaped housing includes a plurality of slots disposed in a side wall thereof in which are disposed said long and short sets of contact-carrying blades.

Claim 9

The cam-actuated timer switch according to claim 7 wherein said substantially thin and flat cover entraps said long and short sets of contact-carrying blades in said slots.

Claim 10

The cam-actuated timer switch according to claim 1 wherein said long and short sets of contact-carrying blades are maintained in spaced relation to each other by a contact spacing means.

Claim 11

The cam-actuated timer switch according to claim 9 wherein said contact spacing means includes at least one slider freely translatable along one of a plurality of slider guides.

Claim 12

The cam-acutated timer switch according to claim 10 wherein one of said long and short sets of contact-carrying blades restrain said slider in contact with one of said slider guides.

Claim 13

The cam-actuated timer switch according to claim 1 wherein said enclosure enveloping said cam means and said switching means is substantially thin in a direction substantially parallel to said output shaft.

Claim 14

The cam-actuated timer switch according to claim 1 wherein said enclosure includes a ratio of thickness to perimeter distance of from 1/40 to 1/20, said thickness taken in a direction substantially parallel to a longitudinal axis of said output shaft, and said perimeter measured around the outside of said enclosure in a plane substantially perpendicular to the longitudinal axis of said output shaft.

Claim 15

A cam-actuated timer switch comprising: a. a synchronous motor including an output shaft; b. a cam member, including two substantially concentric tracks, carried on said output shaft; c. a plurality of contact-carrying blades responsive to said cam tracks; d. an enclosure substantially enveloping said cam member and carrying said output shaft and enveloping and carrying said plurality of contact-carrying blades and wherein said enclosure is substantially parallelpiped in shape including a ratio Of thickness to perimeter distance of from 1/40 to 1/20, said thickness taken in a direction substantially parallel to a longitudinal axis of said output shaft, and said perimeter measures around the outside of said enclosure in a plane substantially perpendicular to said longitudinal axis of said output shaft; e. an attachment means connecting said motor to said enclosure.

Claim 16

A cam-actuated timer switch comprising: a. a synchronous motor including an output shaft; b. a cam member, including two substantially concentric tracks, carried on said output shaft; c. a plurality of contact-carrying blades responsive to said cam tracks; d. an enclosure substantially enveloping said cam member and carrying said output shaft and enveloping and carrying said plurality of contact-carrying blades and wherein said enclosure is substantially parallelpiped in shape including a ratio Of thickness to perimeter distance of from 1/40 to 1/20, said thickness taken in a direction substantially parallel to a longitudinal axis of said output shaft, and said perimeter measures around the outside of said enclosure in a plane substantially perpendicular to said longitudinal axis of said output shaft; e. an attachment means connecting said motor to said enclosure.

Claim 17

A cam-actuated timer switch comprising: a. a synchronous motor including an output shaft; b. a cam means including a primary cam carried by said output shaft and having two cam tracks separated by a gear, a secondary cam member carried on a second shaft disposed substantially parallel to said output shaft and having two cam tracks separated by a gear, said gears engaging one another. c. an electrical switching means responsive to said cam means including a long and short set of contact-carrying blades wherein said long set of contact-carrying blades is located on one side of a line through the centers of said primary and secondary cam members, and said short set of contact-carrying blades is located on the other side of said line; d. an enclosure substantially enveloping said cam and electrical switching means comprising a cup-shaped housing and a substantially thin flat cover closing same, said cup-shaped housing having a plurality of slots disposed in a side wall thereof in which are disposed said long and short contact carrying blades; and e. an attachment means connecting said motor to said enclosure.

Claim 18

A cam-actuated timer switch comprising: a. a synchronous motor including an output shaft; b. a cam means including a primary cam carried by said output shaft and having two cam tracks separated by a gear, a secondary cam member carried on a second shaft disposed substantially parallel to said output shaft and having two cam tracks separated by a gear, said gears engaging one another. c. an electrical switching means responsive to said cam means including a long and short set of contact-carrying blades wherein said long set of contact-carrying blades is located on one side of a line through the centers of said primary and secondary cam members, and said short set of contact-carrying blades is located on the other side of said line; d. an enclosure substantially enveloping said cam and electrical switching means comprising a cup-shaped housing and a substantially thin flat cover closing same, said cup-shaped housing having a plurality of slots disposed in a side wall thereof in which are disposed said long and short contact carrying blades; and e. an attachment means connecting said motor to said enclosure.

Claim 19

A cam-actuated timer switch comprising: a. a synchronous motor including an output shaft; b. a cam means including a primary cam carried by said output shaft and having two cam tracks separated by a gear, a secondary cam member carried on a second shaft disposed substantially parallel to said output shaft and having two cam tracks separated by a gear, said gears engaging one another. c. an electrical switching means reponsive to said cam means including a long and short set of contact-carrying blades wherein said long set of contact-carrying blades is located on one side of a line through the centers of said primary and secondary cam members, and said short set of contact-carrying blades is located on the other side of said line, both said long and short set maintained in spaced relation to each other by a contact spacing means; d. an enclosure substantially enveloping said cam means and said switching means; and e. an attachment means connecting said motor to said enclosure.

Claim 20

A cam-actuated timer switch comprising: a. a synchronous motor including an output shaft; b. a cam means including a primary cam carried by said output shaft and having two cam tracks separated by a gear, a secondary cam member carried on a second shaft disposed substantially parallel to said output shaft and having two cam tracks separated by a gear, said gears engaging one another. c. an electrical switching means reponsive to said cam means including a long and short set of contact-carrying blades wherein said long set of contact-carrying blades is located on one side of a line through the centers of said primary and secondary cam members, and said short set of contact-carrying blades is located on the other side of said line, both said long and short set maintained in spaced relation to each other by a contact spacing means; d. an enclosure substantially enveloping said cam means and said switching means; and e. an attachment means connecting said motor to said enclosure.