Electromechanical system

Claim 2

A horizontal instrument comprising at least two time drums, means rotatably supporting said drums, motor mans associated with said drums so that each is rotatably driven and so that one drum controls the rotation of the other drum, said other drum having a ratchet gear associated therewith for rotatably driving the same, electromagnet means energized upon each revolution of said one drum, and means actuated by said electromagnet means and operative upon said ratchet gear to produce only one gear tooth rotation thereof and a corresponding rotation of said other drum upon each energization of said electromagnet means, a trip lever carried by said one drum, and a pair of normally open electrical contacts actuated to close position by said trip lever upon each revolution of said one drum for energizing said electromagnet means, a pawl moveable upon each energization of said electromagnet means and operative upon said ratchet gear for effecting one gear tooth rotation thereof at a time.

Claim 3

A horological instrument as claimed in claim 1, a manually operated switch means corresponding to said other drum having one position closing a circuit in series circuit with said pair of electrical contacts, said switch means also having another closed position opening said series circuit to disable said pair of electrical contacts and closing another circuit in parallel circuit with said electromagnet means to energize the same to permit rotation of said other drum under manual control for time setting or correction.

Claim 4

A horological instrument as claimed in claim 1, a delayed action mechanism associated with said pair of electrical contacts, said delayed action mechanism including means actuated by said trip lever which maintain said pair of electrical contacts closed for a predetermined time interval following closing thereof.

Claim 5

A horological instrument as claimed in claim 3, said delayed action mechanism including a pivot arm actuated by said trip lever carrying compressible means which is compressed upon such actuation of said pivot arm.

Claim 6

A horological instrument comprising at least two time drums, means rotatably supporting said drums, motor means associated with said drums so that each is rotatably driven and so that one drum controls the rotation of the other drum, said other drum having means associated therewith which divides each revolution thereof into segments of rotation and revolving one segment of rotation for each revolution of said one drum, means constituting a direct read-out calendar clock and being provided with indicia of units of time for giving direct reading of time information, said one drum being a day drum and said other drum being a month drum, means for controlling the rotation of said day drum so that it completes one revolution at the end of each month irrespective of the number of days therein, leap year notwithstanding, and means for rotating said month drum 1/12th of a revolution for each revolution of said day drum, said day drum having a day ratchet gear associated therewith which has different gear teeth areas thereon corresponding to 28, 29, 30 and 31 day months, a day pawl operative upon Selected ones of said gear teeth areas on said day ratchet gear for controlling the rotation of said day drum, and means for moving said day pawl at each month end change so that it is located in the respective gear tooth area on said day ratchet gear according to whether the next subsequent month is a 28, 29, 30 or 31 day month, a 48 month locator drum having 48 consecutive means associated therewith corresponding to 48 consecutive month end changes, said day drum pawl axially slidable in respect to said day drum ratchet gear, and means responsive to one of said 48 consecutive means operative upon said day drum pawl at each month end change for axially sliding the same to the proper gear teeth area on said day drum ratchet gear.

Claim 7

A horological instrument comprising at least two time drums, means rotatably supporting said drums, motor means associated with said drums so that each is rotatably driven and so that one drum controls the rotation of the other drum, said other drum having means associated therewith which divides each revolution thereof into segments of rotation and revolving one segment of rotation for each revolution of said one drum, means constituting a direct read-out calendar clock and being provided with indicia of units of time for giving direct reading of time information, said one drum being a day drum and said other drum being a month drum, means for controlling the rotation of said day drum so that it completes one revolution at the end of each month irrespective of the number of days therein, leap year notwithstanding, and means for rotating said month drum 1/12th of a revolution for each revolution of said day drum, said day drum having a day ratchet gear associated therewith which has different gear teeth areas thereon corresponding to 28, 29, 30 and 31 day months, a day pawl operative upon Selected ones of said gear teeth areas on said day ratchet gear for controlling the rotation of said day drum, and means for moving said day pawl at each month end change so that it is located in the respective gear tooth area on said day ratchet gear according to whether the next subsequent month is a 28, 29, 30 or 31 day month, a 48 month locator drum having 48 consecutive means associated therewith corresponding to 48 consecutive month end changes, said day drum pawl axially slidable in respect to said day drum ratchet gear, and means responsive to one of said 48 consecutive means operative upon said day drum pawl at each month end change for axially sliding the same to the proper gear teeth area on said day drum ratchet gear.

Claim 8

A direct read-out calendar clock as claimed in claim 5, said 48 month locator drum having means for manually setting its rotated position, said 48 month locator drum having four different rotated positions for manual setting or correcting of the same, said four different rotated positions corresponding to four different groupings of years having reference to leap years.

Claim 9

A horological instrument comprising at least two time drums, means rotatably supporting said drums, motor means associated with said drums so that each is rotatably driven and so that one drum controls the rotation of the other drum, said other drum having means associated therewith which divides each revolution thereof into segments of rotation and revolving one segment of rotation for each revolution of said one drum, means constituting an alarm system for said instrument including electrical alarm means for giving off an alarm, a rotatably supported alarm drum correspondong to each time drum, normally open electrical switch means including a moveable contact arm thereof carried on each alarm drum, each alarm drum manually rotatable to a preset alarm position corresponding to an advance rotational position of the respective time drum, a laterally projecting trip arm associated with each time drum, each alarm drum disposed adjacent its corresponding trip arm so that the respective contact arm thereon is actuated by said trip arm once upon each revolution of said time drum to close the respective electrical switch means, said alarm means beng energized upon simultaneous closing of all said electrical switch means.

Claim 10

A horological instrument comprising at least two time drums, means rotatably supporting said drums, motor means associated with said drums so that each is rotatably driven and so that one drum controls the rotation of the other drum, said other drum having means associated therewith which divides each revolution thereof into segments of rotation and revolving one segment of rotation for each revolution of said one drum, means constituting an alarm system for said instrument including electrical alarm means for giving off an alarm, a rotatably supported alarm drum correspondong to each time drum, normally open electrical switch means including a moveable contact arm thereof carried on each alarm drum, each alarm drum manually rotatable to a preset alarm position corresponding to an advance rotational position of the respective time drum, a laterally projecting trip arm associated with each time drum, each alarm drum disposed adjacent its corresponding trip arm so that the respective contact arm thereon is actuated by said trip arm once upon each revolution of said time drum to close the respective electrical switch means, said alarm means beng energized upon simultaneous closing of all said electrical switch means.

Claim 11

A horological instrument having an alarm system as claimed in claim 7, each time drum having direct read-out indicia on the circumference thereof, and each alarm drum having direct read-out indicia on the circumference thereof identical to that on its corresponding time drum.

Claim 12

A horological instrument having an alarm system as claimed in claim 7, means constituting a direct read-out calendar clock and being provided with indicia of units of time for giving direct reading of time information over a span of time, an hour drum, a day drum and a month drum, the rotation of said hour drum controlling the rotation of said day drum and the rotation of said day drum controlling the rotation of said month drum, said alarm drums capable of being set at alarm settings which cover the range of hours, days and months so that said instrument can be pre-set to give off an alarm for a reminder over at least a year range. 10. A direct read-out calendar clock havng an alarm system as claimed in claim 9, a 48 month locator drum having 48 consecutive means associated therewith corresponding to 48 consecutive month end changes, said 48 month locator drum controlling the rotation of said day drum at each month end change.

Claim 13

A direct read-out calendar clock having an alarm system as claimed in claim 10, said 48 month locator drum having means for manually setting its rotated position, said 48 month locator drum having four different rotated positions for manual setting or correcting the same, said four different rotated positions corresponding to four different groupings of years hving reference to leap years.

Claim 14

In a horological instrument having an alarm system as claimed in claim 7, means for holding a plurality of appointment cards pertaining to said alarm settings.