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EP0059807A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Window blind with cord-locking device

Assignee: Beatrice Companies Inc
•
Filing: 1981-08-25
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Granted: —
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Expires: 2001-08-25
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Abstract

Abstract The cords 16, 16' for controlling a pleated fabric blind hanging from a head-rail 12 pass over a fixed pin 29 and hang down at the edge of the blind. In this condition they engage a pin 32 which is slidable in end slots 34. The weight of the blind pulls the cord upwards and the pin 32 is dragged up to grip the cord between the pins 29 and 32, thereby locking the cord. For adjustment of the blind the cords are pulled to one side against the inclined surface 21, allowing the pin 32 to fall and thereby freeing the cord lock.

Inventors

  • 👤 Claude M. Mcniel
  • 👤 Louis G. Valle

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-03 08:22
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/32; E06B9/324

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 166 words
A locking device for the height adjusting cord of a window blind having a headrail and an adjustable blind interconnected with the cord, said cord having a pull portion extending from said headrail, comprising: a first pin fixedly mounted to said headrail receiving the cord in contacting relationship to the pin circumferential periphery; and a second pin having its end portions slidingly confined enabling said second pin to move along a gravity path in a plane including said second pin from a first position spaced from said first pin a distance less than the cord thickness to a second position spaced from said first pin a distance substantially greater than the cord thickness; said first and second pins being so located relative to each other that at a first angular relation of the cord pull portion to the headrail the cord contacts both the first and second pins circumferential surfaces and at a second angular relation to the headrail the cord only contacts the first pin.
Claim 2
Dependent Claim 166 words
A locking device for the height adjusting cord of a window blind having a headrail and an adjustable blind interconnected with the cord, said cord having a pull portion extending from said headrail, comprising: a first pin fixedly mounted to said headrail receiving the cord in contacting relationship to the pin circumferential periphery; and a second pin having its end portions slidingly confined enabling said second pin to move along a gravity path in a plane including said second pin from a first position spaced from said first pin a distance less than the cord thickness to a second position spaced from said first pin a distance substantially greater than the cord thickness; said first and second pins being so located relative to each other that at a first angular relation of the cord pull portion to the headrail the cord contacts both the first and second pins circumferential surfaces and at a second angular relation to the headrail the cord only contacts the first pin.
Claim 3
Dependent Claim 16 words
A locking device as in claim 1, in which said first and second pins are cylindrical.
Claim 4
Dependent Claim 121 words
A locking device as in claim 1, in which there is further provided a housing mounted onto the headrail, and wall members of said housing holding the end portions of said first pin such that said first pin is arranged transversely of the headrail longitudinal axis and angularly disposed to a horizontal plane with the back pin end being lower than the front pin end, said housing wall members also defining an opening in communication with said first and second pins angling generally forward and downward to exit at a lower housing surface whereby said cord passes over said first pin contacting the wall members defining the forwardly and downward angled opening portion and exiting generally vertically downward when at rest.
Claim 5
Dependent Claim 26 words
A locking device as in claim 1, in which the second pin end portions are rounded enabling said second pin to rotate as well as slide.
Claim 6
Dependent Claim 93 words
A window blind having a headrail and an adjusting cord for the blind hanging from one end of the headrail characterized in that the cord passes over a fixed pin and when hanging freely engages a slidably-mounted locking pin such that the locking pin is dragged upwards'by the weight of the blind pulling on the cord and the cord is clamped between the locking pin and the fixed pin, the clamp being releasable by moving the cord to one side to allow the locking pin to fall out of engagement with the cord.
Claim 7
Dependent Claim 93 words
A window blind having a headrail and an adjusting cord for the blind hanging from one end of the headrail characterized in that the cord passes over a fixed pin and when hanging freely engages a slidably-mounted locking pin such that the locking pin is dragged upwards'by the weight of the blind pulling on the cord and the cord is clamped between the locking pin and the fixed pin, the clamp being releasable by moving the cord to one side to allow the locking pin to fall out of engagement with the cord.

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