Directly readable digital clock

Claim 2

A control mechanism for a directly readable digital clock having a clock mechanism and switch means for opening and closing an electric circuit as well as electromagnetic vibrating means for producing an alarm and wherein said switch means and said vibrating means are settable in a plurality of combinations of states, said mechanism comprising a selector shaft rotatable to a plurality of discreet positions, cam means having a sector-shaped cam plate secured to said shaft and an eccentric pin protruding from said cam plate, operating lever means engageable with said cam plate and movable by said cam plate to a plurality of positions in which said lever means controls the states of said switch means and said electromagnetic vibrating means in one plurality of the combinations, said lever means being engageable with said pin so as to assume one of a plurality of positions for controlling the states of said switch means and said electromagnetic vibrating means in a second plurality of the combinations, timing means responsive to said clock mechanism for shifting said lever means from engagement with said plate into engagement with said pin.

Claim 3

A mechanism as in claim 1, further comprising a control shaft settable from an initial position to a plurality of set positions, a notched crown gear fitted on said control shaft, a disk-plate having a notch and coupled with said crown gear, a pivotally mounted operating arm biased against said disk-plate to enter the notch when said control shaft is in the initial position, said operating arm being movable out of the notch by rotation of said control shaft from the initial position, said arm, when out of said notch, being effective to constrain said lever means to assume one of said plurality of positions, and spur gear means responsive to operation of the clock mechanism for engaging said notched crown gear and turning said notched crown gear until said arm enters the notch.

Claim 4

A digital clock, comprising a main shaft, a plurality of time indicating wheels with numerals on their circumferential surfaces pivotally mounted on said shaft, a shifting pinion shaft parallel with said main shaft, a plurality of shifting pinions on said pinion shaft engaging said wheels for transferring rotation of said time indicating wheels from one wheel to the other, switch means for controlling an electric circuit, electromagnetic vibrating means for producing an alarm, said switch means and said vibrating means being settable in a plurality of combinations of states, operating lever means including a pivotally mounted operating lever for controlling said switch means and said electromagnetic vibrating means, a selector shaft rotatable to a plurality of positions, cam means comprising a sector-shaped cam plate fixed on said selector shaft and an eccentric pin protruding from said cam plate, said operating lever means being engageable with said cam plate and when engaged therewith being movable to one of a plurality of positions controlling the states of said switch means and said electromagnetic vibrating means in a plurality of the combinations, said operating lever means being shiftable to engage said pin and when engaging said pin being capable of controlling the states of sAid switch means and said electromagnetic vibrating means in a second plurality of the combinations, timing means responsive to said main shaft for shifting engagement of said operating lever means from said cam plate to said pin, sleep setting means having a sleep setting shaft, said sleep setting means including a notched disk-plate and a crown gear integral with said disk-plate and fitted loosely and coaxially on said sleep setting shaft, said disk-plate having a notch, said selector means including spur gear means operatively engaging said shifting pinion shaft and engaging said crown gear, and stopping lever means movable from a position in said notch of said disk-plate out of the notch into a position for inhibiting the operation of said operating lever and controlling said switch means and said vibrating means, said spur gear means being engaged with said crown gear for rotating said crown gear until said stopping lever reenters the notch in said disk-plate.

Claim 5

A digital clock, comprising a main shaft, a plurality of time indicating wheels with numerals on their circumferential surfaces pivotally mounted on said shaft, a shifting pinion shaft parallel with said main shaft, a plurality of shifting pinions on said pinion shaft engaging said wheels for transferring rotation of said time indicating wheels from one wheel to the other, switch means for controlling an electric circuit, electromagnetic vibrating means for producing an alarm, said switch means and said vibrating means being settable in a plurality of combinations of states, operating lever means including a pivotally mounted operating lever for controlling said switch means and said electromagnetic vibrating means, a selector shaft rotatable to a plurality of positions, cam means comprising a sector-shaped cam plate fixed on said selector shaft and an eccentric pin protruding from said cam plate, said operating lever means being engageable with said cam plate and when engaged therewith being movable to one of a plurality of positions controlling the states of said switch means and said electromagnetic vibrating means in a plurality of the combinations, said operating lever means being shiftable to engage said pin and when engaging said pin being capable of controlling the states of sAid switch means and said electromagnetic vibrating means in a second plurality of the combinations, timing means responsive to said main shaft for shifting engagement of said operating lever means from said cam plate to said pin, sleep setting means having a sleep setting shaft, said sleep setting means including a notched disk-plate and a crown gear integral with said disk-plate and fitted loosely and coaxially on said sleep setting shaft, said disk-plate having a notch, said selector means including spur gear means operatively engaging said shifting pinion shaft and engaging said crown gear, and stopping lever means movable from a position in said notch of said disk-plate out of the notch into a position for inhibiting the operation of said operating lever and controlling said switch means and said vibrating means, said spur gear means being engaged with said crown gear for rotating said crown gear until said stopping lever reenters the notch in said disk-plate.

Claim 6

A digital clock, as in claim 3, wherein one of said shifting pinions is fixedly mounted on the pinion shaft.

Claim 7

A digital clock, comprising a clock mechanism, switch means for opening and closing an electric current, electro-magnetic vibrating means for producing an alarm, said switch means and said vibrating means being settable in a plurality of combinations of states, a selector shaft rotatable to a plurality of discrete positions, cam means having a sector-shaped cam plate secured to said shaft and an eccentric pin protruding from said cam plate, operating lever means engageable with said cam plate and movable by said cam plate to a plurality of positions in which said lever means controls the states of said switch means and said electromagnetic vibrating means in one plurality of the combinations, said lever means being engageable with said pin so as to assume one of a plurality of positions controlling the states of said switch means and said electro-magnetic vibrating means in a second plurality of combinations, timing means responsive to said clock mechanism for shifting said lever means from engagement with said plate into engagement with said pin, said clock mechanism including a main shaft and ''''second'''', ''''minute'''', ''''tens of minutes'''', and ''''hour'''' indicating wheels with numerals on their circumferential surfaces mounted on said main shaft, said clock mechanism further including a plurality of shifting pinions engaging said wheels and adapted to successively transfer rotation of said time indicating wheels, and said timing means including time setting cam means mounted on said main shaft.

Claim 8

A digital clock, comprising a clock mechanism, switch means for opening and closing an electric current, electro-magnetic vibrating means for producing an alarm, said switch means and said vibrating means being settable in a plurality of combinations of states, a selector shaft rotatable to a plurality of discrete positions, cam means having a sector-shaped cam plate secured to said shaft and an eccentric pin protruding from said cam plate, operating lever means engageable with said cam plate and movable by said cam plate to a plurality of positions in which said lever means controls the states of said switch means and said electromagnetic vibrating means in one plurality of the combinations, said lever means being engageable with said pin so as to assume one of a plurality of positions controlling the states of said switch means and said electro-magnetic vibrating means in a second plurality of combinations, timing means responsive to said clock mechanism for shifting said lever means from engagement with said plate into engagement with said pin, said clock mechanism including a main shaft and ''''second'''', ''''minute'''', ''''tens of minutes'''', and ''''hour'''' indicating wheels with numerals on their circumferential surfaces mounted on said main shaft, said clock mechanism further including a plurality of shifting pinions engaging said wheels and adapted to successively transfer rotation of said time indicating wheels, and said timing means including time setting cam means mounted on said main shaft.

Claim 9

A digital clock, as in claim 5, wherein a pinion shaft supports said pinions, said one of said pinions transferring rotation of the ''''minute'''' indicating wheel to the ''''tens of minutes'''' indicating wheel being fixedly mounted on said pinion shaft.

Claim 10

A digital clock, as in claim 5, further comprising a control shaft settable from an initial position to a plurality of set positions, a notched crown gear fitted on said control shaft, a disk-plate having a notch and coupled with said crown gear, a pivotally mounted operating arm biased against said disk-plate to enter the notch when said control shaft is in the initial position, said operating arm being movable out of the notch by rotation of said control shaft from the initial position, said arm, when out of said notch, being effective to constrain said lever means to assume one of said plurality of positions, and spur gear means responsive to operation of the clock mechanism for engaging said notched crown gear and turning said notched crown gear until said arm enters the notch.

Claim 11

A digital clock, comprising a clock mechanism, switch means for opening and closing an electrical circuit, vibrating means for producing an alarm, said switch means and said vibrating means being settable in a plurality of combinations of states, said mechanism comprising a selector shaft rotatable to a plurality of discreet positionS, cam means having a sector-shaped cam plate secured to said shaft and an eccentric pin protruding from said cam plate, operating lever means engageable with said cam plate and movable by said cam plate to a plurality of positions in which said lever means controls the states of said switch means and said electromagnetic vibrating means in one plurality of the combinations, said lever means being engageable with said pin so as to assume one of a plurality of positions for controlling the states of said switch means and said electromagnetic vibrating means in a second plurality of the combinations, timing means responsive to said clock mechanism for shifting said lever means from engagement with said plate into engagement with said pin.

Claim 12

A digital clock, comprising a clock mechanism, switch means for opening and closing an electrical circuit, vibrating means for producing an alarm, said switch means and said vibrating means being settable in a plurality of combinations of states, said mechanism comprising a selector shaft rotatable to a plurality of discreet positionS, cam means having a sector-shaped cam plate secured to said shaft and an eccentric pin protruding from said cam plate, operating lever means engageable with said cam plate and movable by said cam plate to a plurality of positions in which said lever means controls the states of said switch means and said electromagnetic vibrating means in one plurality of the combinations, said lever means being engageable with said pin so as to assume one of a plurality of positions for controlling the states of said switch means and said electromagnetic vibrating means in a second plurality of the combinations, timing means responsive to said clock mechanism for shifting said lever means from engagement with said plate into engagement with said pin.