Beds – Bedclothing – Sheet
Reexamination Certificate
1999-10-25
2001-05-08
Grosz, Alexander (Department: 3628)
Beds
Bedclothing
Sheet
C005S482000, C112S475080
Reexamination Certificate
active
06226815
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to a baby crib sheet that is constructed to prevent or greatly reduce the possibility that a baby will be able to remove the sheet from a crib mattress.
Fitted sheets for bed mattresses are well known. See, for example, U.S. Pat. No. 5,530,979 to Whitley, which shows a fitted sheet having an elastic underskirt for resiliently gripping the mattress to hold the sheet on the mattress. The fitted sheet shown in this patent has corners sewn to fit the substantially square corners of the mattress. A problem with this construction is that since the sheet does not extend substantially under the mattress, the sheet can be pulled off rather easily, which is a safety problem with infants.
See also U.S. Pat. No. 5,809,593 to Edwards, which illustrates a mattress cover having a wide continuous elastic strip sewn to the outer edges of a rectangularly shaped mattress cover. No attempt is made in the Edwards cover to provide a fitted cover having sewn corners, matching the corners of the mattress. The reason for this is to allow the sheet to be used with different sized mattresses.
A need exists for a fitted sheet which can be used with a baby's crib mattress and constructed to prevent a baby from removing the sheet from the mattress to thereby reduce the possible suffocation of the infant.
It is also an object of the invention to provide a crib sheet construction that will meet the “10-pound pull test” established by Good Housekeeping.
SUMMARY OF INVENTION
A fitted crib safety sheet for positioning over a crib mattress is made with a rectangular portion sized to fit over the top of the mattress. Side skirts are positioned on each side of the rectangular portion, and are sized to extend down from the rectangular portion adjacent the sides of the mattress with a free edge which is sized to extend beneath the mattress. End flaps are positioned at each end of the rectangular portion, and are sized to not only extend down the mattress but also to extend beneath the mattress. Corners of the sheet are sewn to conform to the corners of the mattress. A wide elastic stip is sewn to each end flap along a portion of the lateral width of the end flap. Further in a first embodiment a complete loop of a narrow elastic strip is sewn to each side skirt along the longitudinal length of the fee edge of the side skirt, turns a corner, and then is sewn to the wide elastic stip joined with each end flap. In a second embodiment, the narrow elastic strip is sewn along the longitudinal length of the free edge of each side skirt, turns a corner, and is then only sewn along a portion of the wide elastic strip joined with each end flap.
REFERENCES:
patent: 4662013 (1987-05-01), Harrison
patent: 4703530 (1987-11-01), Gusman
patent: 4727608 (1988-03-01), Joyce
patent: 4777677 (1988-10-01), Dugan
patent: 4825489 (1989-05-01), Ross
patent: 5479664 (1996-01-01), Hollander
patent: 5491853 (1996-02-01), Turnbull
patent: 5530979 (1996-07-01), Whitley
patent: 5625912 (1997-05-01), McCain et al.
patent: 5809593 (1998-09-01), Edwards
patent: 5901389 (1999-05-01), Manner
patent: 5996148 (1999-12-01), McCain et al.
Mink Franklin
Strongwater Bruce
Abelman ,Frayne & Schwab
Grosz Alexander
J. Lamb Inc.
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