US4189855A — Electric pressing iron having indicating ready li…

Claim 1

Independent Claim 217 words

In an electric pressing iron having a heater circuit, the iron having mounted on the top of its soleplate a temperature-sensitive switch comprising a pair of superposed, spaced aligned contact blades cantilever-mounted and extending in the same direction, the switch including an upper blade and a lower blade, the blades carrying aligned contact zones, a bimetallic element cantilever-mounted on the soleplate in heat exchange relation therewith and adapted to engage with its distal end the lower blade to move the distal end of said lower blade away from the upper blade in conditions of no-heat-demand to separate the contact zones, temperature control setting means on the iron including means to raise and lower the distal end of the upper blade, the heater circuit being operatively connected in series with the switch, the improvement of a ready light circuit including a third blade mounted cantilever-fashion and disposed between and generally aligned with the other blades, the upper blade and third blade having aligned contact points, the bimetallic element adapted in conditions approaching heat-demand to cause upward movement of the distal end of the third blade to adjacent the upper blade to close the contact points, the ready light and the contact points being operatively connected in series and across the contact zones of the upper and lower blades.

Claim 2

Dependent Claim 217 words

In an electric pressing iron having a heater circuit, the iron having mounted on the top of its soleplate a temperature-sensitive switch comprising a pair of superposed, spaced aligned contact blades cantilever-mounted and extending in the same direction, the switch including an upper blade and a lower blade, the blades carrying aligned contact zones, a bimetallic element cantilever-mounted on the soleplate in heat exchange relation therewith and adapted to engage with its distal end the lower blade to move the distal end of said lower blade away from the upper blade in conditions of no-heat-demand to separate the contact zones, temperature control setting means on the iron including means to raise and lower the distal end of the upper blade, the heater circuit being operatively connected in series with the switch, the improvement of a ready light circuit including a third blade mounted cantilever-fashion and disposed between and generally aligned with the other blades, the upper blade and third blade having aligned contact points, the bimetallic element adapted in conditions approaching heat-demand to cause upward movement of the distal end of the third blade to adjacent the upper blade to close the contact points, the ready light and the contact points being operatively connected in series and across the contact zones of the upper and lower blades.

Claim 3

Dependent Claim 23 words

In an electric pressing iron as claimed in claim 1, the improvement wherein one of said contact points is an adjustable set-screw-type contact.

Claim 4

Dependent Claim 27 words

In an electric pressing iron as claimed in claim 2, the improvement wherein the other of said contact points is a tongue struck upward from its blade.

Claim 5

Dependent Claim 29 words

In an electric pressing iron as claimed in claim 1, the improvement wherein at least some of the blades are stamped from sheetmetal and are channel-shaped in cross section.

Claim 6

Dependent Claim 46 words

In an electric pressing iron as claimed in claim 1, the improvement wherein the third blade is of resilient sheet-metal and is angled upward at a flexure point outward toward the distal end from the engagement with it of the distal end of the bimetallic element.

Claim 7

Dependent Claim 33 words

In an electric pressing iron as claimed in claim 5, the improvement wherein the contact point on the third blade is on an upstruck tongue toward the distal end from the flexure point.

Claim 8

Dependent Claim 214 words

An electric iron having a heater, temperature setting means, a first heater switch blade mounted at one end on the iron soleplate, means connecting the setting means and the other end of the blade to lower the distal end of the blade to lower levels corresponding to higher temperature settings, a second heater switch blade beneath and in alignment with the first blade and having one end mounted under the said one end of the first blade, a bimetallic strip mounted at one end on the soleplate and extending toward and engaging the top of the other end of the second blade, the said other end of the second blade being biased upwardly, a first set of aligned contacts on the first and second blades respectively and circuit means connecting the first set of contacts in series with the heater and a power source, a third blade having an end mounted between the said one ends of the first and second blades and having its other end biased downward and resting normally on the other end of the bimetallic element, an indicator lamp, a second set of aligned contacts on the first and third blades respectively and second circuit means connecting the second set of aligned contacts with the lamp across the first set.

Claim 9

Dependent Claim 214 words

An electric iron having a heater, temperature setting means, a first heater switch blade mounted at one end on the iron soleplate, means connecting the setting means and the other end of the blade to lower the distal end of the blade to lower levels corresponding to higher temperature settings, a second heater switch blade beneath and in alignment with the first blade and having one end mounted under the said one end of the first blade, a bimetallic strip mounted at one end on the soleplate and extending toward and engaging the top of the other end of the second blade, the said other end of the second blade being biased upwardly, a first set of aligned contacts on the first and second blades respectively and circuit means connecting the first set of contacts in series with the heater and a power source, a third blade having an end mounted between the said one ends of the first and second blades and having its other end biased downward and resting normally on the other end of the bimetallic element, an indicator lamp, a second set of aligned contacts on the first and third blades respectively and second circuit means connecting the second set of aligned contacts with the lamp across the first set.

Claim 10

Dependent Claim 34 words

An electric pressing iron as claimed in claim 7 wherein one of the contacts of the second set of aligned contacts is adjustable toward and away from the other contact of the second set.

Claim 11

Dependent Claim 24 words

An electric pressing iron as claimed in claim 7 wherein the third blade has a cut-out in alignment with the first set of contacts.

Claim 12

Dependent Claim 26 words

An electric pressing iron as claimed in claim 7 wherein the said other end of the second blade presents a dog-leg away from the third leg.

Claim 13

Dependent Claim 25 words

An electric pressing iron as claimed in claim 7 wherein the contact on the third blade is on a tongue inclined toward the first blade.

Claim 14

Dependent Claim 207 words

In an electric pressing iron having a heater circuit, the iron having mounted on the top of its soleplate a temperature-sensitive switch comprising three superposed, spaced aligned contact blades cantilever-mounted and extending in the same direction, the switch including a first blade and a second blade carrying aligned contact points, a bimetallic element cantilever-mounted on the soleplate in heat exchange relation therewith and having its distal end adapted to move the distal end of said second blade away from the first blade in conditions of no-heat-demand to open the electrical connection through the contact points on the first and second blades, temperature control setting means on the iron including means to raise and lower the distal end of the first blade, the heater circuit being operatively connected in series with the first and second blades, a ready light circuit including a third blade disposed between and generally aligned with the other blades, the first blade and third blade having aligned contact points, the bimetallic element adapted at temperature in a range below but proximate heat-demand temperature to cause engagement of the contact points of the third blade and the first blade, means connecting the ready light and the third blade operatively in series to the second blade.

Claim 15

Dependent Claim 207 words

In an electric pressing iron having a heater circuit, the iron having mounted on the top of its soleplate a temperature-sensitive switch comprising three superposed, spaced aligned contact blades cantilever-mounted and extending in the same direction, the switch including a first blade and a second blade carrying aligned contact points, a bimetallic element cantilever-mounted on the soleplate in heat exchange relation therewith and having its distal end adapted to move the distal end of said second blade away from the first blade in conditions of no-heat-demand to open the electrical connection through the contact points on the first and second blades, temperature control setting means on the iron including means to raise and lower the distal end of the first blade, the heater circuit being operatively connected in series with the first and second blades, a ready light circuit including a third blade disposed between and generally aligned with the other blades, the first blade and third blade having aligned contact points, the bimetallic element adapted at temperature in a range below but proximate heat-demand temperature to cause engagement of the contact points of the third blade and the first blade, means connecting the ready light and the third blade operatively in series to the second blade.

Claim 16

Dependent Claim 211 words

In an electric pressing iron having a heater, the iron having mounted adjacent its soleplate a temperature-sensitive switch comprising three superposed, spaced aligned contact blades cantilever-mounted and extending in the same direction, the switch including a first blade and a second blade carrying aligned contact points, a bimetallic element cantilever-mounted adjacent the soleplate in heat exchange relation therewith and having its distal end adapted to move the distal end of said second blade away from the first blade in conditions of no-heat-demand to open the electrical connection through the contact points on the first and second blades, temperature control setting means on the iron including means to move the distal end of the first blade toward and away from the second blade, the heater being operatively connected in series with the first and second blades and to supply means, a ready light circuit including a third blade disposed between and generally aligned with the other blades, the first blade and third blade having aligned contact points, the bimetallic element adapted at temperature in a range below but proximate heat-demand temperature to cause engagement of the contact points of the third blade and the first blade, means connecting the ready light and the third blade operatively in series to the second blade.

Claim 17

Dependent Claim 211 words

In an electric pressing iron having a heater, the iron having mounted adjacent its soleplate a temperature-sensitive switch comprising three superposed, spaced aligned contact blades cantilever-mounted and extending in the same direction, the switch including a first blade and a second blade carrying aligned contact points, a bimetallic element cantilever-mounted adjacent the soleplate in heat exchange relation therewith and having its distal end adapted to move the distal end of said second blade away from the first blade in conditions of no-heat-demand to open the electrical connection through the contact points on the first and second blades, temperature control setting means on the iron including means to move the distal end of the first blade toward and away from the second blade, the heater being operatively connected in series with the first and second blades and to supply means, a ready light circuit including a third blade disposed between and generally aligned with the other blades, the first blade and third blade having aligned contact points, the bimetallic element adapted at temperature in a range below but proximate heat-demand temperature to cause engagement of the contact points of the third blade and the first blade, means connecting the ready light and the third blade operatively in series to the second blade.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1983-02-25	1983-08-27	1984-02-26	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1987-02-25	1987-08-27	1988-02-26	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1991-02-25	1991-08-27	1992-02-26	$7700.00	Window Closed / Lapsed

Electric pressing iron having indicating ready light

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