And Means To Hold Clothes In Position On Bed Patents (Class 5/498)
  • Patent number: 4768252
    Abstract: A fitted sheet comprising top, side and end panels for covering the top, sides and ends of a mattress with adjacent ends of the side and end panels connected together to form vertical corners and with the lower portions of the side and end panels extending into underlying relation with the underside of the mattress. Elastic corner bands are attached to each side panel at a location adjacent one end panel and are otherwise attached to the same end panel. A cross band is attached to the lower edges of the side panels at a location adjacent the point of attachment of the corner bands thereto.
    Type: Grant
    Filed: March 23, 1987
    Date of Patent: September 6, 1988
    Inventor: Anthony J. Ross
  • Patent number: 4761032
    Abstract: An infant seat cover having a cover pad to be placed over the seat and a blanket and a protective hood attached to the front end and head ends, respectively, of the pad. An article-receiving pocket is attached to the rear of the pad. The blanket may be rolled or otherwise gathered and then tied at the front end of the cover pad when not in use and when needed may be folded back over and adjustably secured along its edges to the pad to cover an infant in the seat in a manner which accommodates the infants's growth. The hood arches over the head end of the pad to shield the infants's head and face against the elements and to some degree against flying glass and other debris in the event of an automobile accident. The hood may be pressed flat against the pad when not in use.
    Type: Grant
    Filed: March 27, 1987
    Date of Patent: August 2, 1988
    Inventors: Florence J. Sanchez, David L. Sanchez
  • Patent number: 4754514
    Abstract: A coverlet for conventional, unheated waterbeds which provides effective insulation is disclosed. The coverlet utilizes an insulating layer of fibrous materials, such as hollow polyester fibers, typically quilted together with a layer of flexible, lightweight foam material.
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: July 5, 1988
    Inventors: Garth J. Limb, Sandra L. Limb
  • Patent number: 4736478
    Abstract: The waterbed sheet assembly 25 includes a top sheet 28, and a bottom sheet 26, with the sheets sewn together along their bottom edges. A corner pocket structure 30 is formed on the corners of the bottom sheet, and each corner pocket structure includes a corner pocket panel 31 sewn along its right angle edges 32 and 33to the adjacent side and end edges of the sheet, with a sleeve 40 attached longitudinally along the diagonal free edge 34 of the corner pocket structure. A bar 42 is inserted into the sleeve 40, with the bar extending diagonally across and beneath the corner of the waterbed mattress. The weight of the water in the mattress holds the bar and pocket structure in place beneath each corner of the mattress.
    Type: Grant
    Filed: July 8, 1987
    Date of Patent: April 12, 1988
    Inventor: Johnny L. Dangerously
  • Patent number: 4731892
    Abstract: A waterbed and holder assembly for use therewith wherein the holder assembly comprises a U-shaped base member for being secured to the waterbed's frame, an expandable, resilient member (e.g., elastic fabric material) for being secured at one end to an article of the waterbed's bedclothing (e.g., sheet) and for being releasably secured at the other end to the U-shaped base member, a first retention means (e.g., snap fastener) for providing the resilient member's releasable securement, and a second retention means (e.g., removable cover) for engaging the resilient member to retain it against the base member. Positioning and securement of the article of bedclothing in an expeditious manner is thus provided.
    Type: Grant
    Filed: May 13, 1987
    Date of Patent: March 22, 1988
    Inventor: Steve F. Bissel
  • Patent number: 4723331
    Abstract: A fitted sheet is formed with material that is tapered in width between the side edges, so that the material is wider between the side edges, at the mid point between the top and bottom edges, and narrower in regions closer to the top and bottom edges.
    Type: Grant
    Filed: July 28, 1986
    Date of Patent: February 9, 1988
    Assignee: Sleep-Knit International
    Inventor: Sidney M. Weiss
  • Patent number: 4716608
    Abstract: An apparatus for releasably securing a mattress cover or bedclothes to a mattress or bed, including a generally rectangular anchoring device to be positioned below the sleeping surface of the mattress, and fastening members for connecting the anchoring device to a mattress cover or other bedclothes. Each fastening member has a protective cover for protecting the mattress and/or the bed frame from damage from the fastening member. In one embodiment, the anchoring device is a continuous member, while in another embodiment the anchoring member is formed of at least two relatively movable members, with clamps, carried on the movable members, that releasably lock such members together to fit the size and shape of the mattress.
    Type: Grant
    Filed: July 14, 1986
    Date of Patent: January 5, 1988
    Inventor: John H. Whitfield
  • Patent number: 4712262
    Abstract: An "L" shaped device having a fabric clamping means near the top of its vertical leg and inserted basewise between a waterbed mattress and its horizontal support platform. A sheet placed over a waterbed mattress may be secured by the clamping means (of a plurality) of such devices and thereby secured to the mattress surface by application of the invention.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: December 15, 1987
    Assignee: FMR Corporation
    Inventor: Frank Viggiano
  • Patent number: 4698880
    Abstract: An assembly including a clasp member having a pair of opposing upper and lower gripping jaws which receive selected portions of sheets therein; and a wedge member for insertion between the inner surface of said gripping jaws along with the bedsheets for locking the sheets between the clasp member and the wedge member. The preferred wedge has a triangular cross-section and being of a size somewhat smaller than the space between the opposed gripping jaws, to provide some clearance when the wedge is inserted between the gripping jaws. When tension is applied to the sheets the wedge member is caused to rotate and wedge the edges thereof against the inner surfaces of the gripping jaws to more tightly grip and retain the sheets in position.
    Type: Grant
    Filed: August 21, 1986
    Date of Patent: October 13, 1987
    Inventor: Jerry A. Hamm
  • Patent number: 4686726
    Abstract: A waterbed mattress sheet an insert, combination having waterbed sheet flaps defining pockets into which resilient, sheet-anchoring inserts can be placed, serving to secure the sheet over the waterbed mattress since the inserts conform in shape to the sides of the mattress and extend underneath the lower edge portions of mattress a short distance, being wedged between the matress and its support frame by the weight of the water in the waterbed mattress and any load placed thereon and being removably restrained in that position by the weight of the waterbed mattress and any load placed thereon against wrinkling, folding, creasing or slipping.
    Type: Grant
    Filed: June 4, 1986
    Date of Patent: August 18, 1987
    Inventor: David C. Dunfee
  • Patent number: 4662016
    Abstract: A bedclothes retaining system is provided for holding and positioning bedclothes such as sheets, blankets and other covers on a bed. The retainer includes a plurality of elastic straps which are detachably anchored to the bed by cooperating gripping surfaces; for example, hook and loop tape. A clip or snap fastener is provided at the other end of each strap to attach the strap to the bedclothes. The straps are adjustable in length. Provision is made for the convenient addition of a second strap at each anchor point, if desired.
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: May 5, 1987
    Assignee: Patrica G. Rainey
    Inventor: Ronald D. Seeman
  • Patent number: 4662013
    Abstract: A fitted contour sheet or mattress cover which includes additional elastic members for retaining the corners of the cover upon the mattress. The additional elastic includes elastic bands which extend diagonally across each corner of the sheet and an elastic band which extends from the diagonal elastic to the corner of the sheet. The present invention therefore prevents inadvertant removal of the sheet due to extensive wear or excessive motion.
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: May 5, 1987
    Inventor: Sandra K. Harrison
  • Patent number: 4660240
    Abstract: A bed sheet attachment device for use in combination with a waterbed of the type having an upwardly open box-like base holding a fluid-filled flexible mattress. A flat first member of the attachment device defines an opening including a slot and a larger portion connected therewith. A cooperative stud has a neck which fits in the slot, and two larger portions on opposite ends of the neck. At least one of the larger portions of the stud is smaller than the larger part of the opening, so that the stud will fit matingly in the slot with a part of a bed sheet protruding through the slot and wrapped around the neck of the stud. A flexible elastic member connects the first member to the interior of the base of the waterbed, applying tension which urges the stud and sheet toward the narrow end of the slot and holds the sheet in place on the waterbed.
    Type: Grant
    Filed: May 13, 1985
    Date of Patent: April 28, 1987
    Inventors: William B. Hutton, Deanice B. Hutton
  • Patent number: 4659144
    Abstract: A portable sunshield for selectively protecting front or rear interior portions of an automobile is provided which is characterized by its ability to be easily used without installing hardware or making other modifications to the automobile. The sunshield is readily adaptable to a variety of automobiles and includes a body formed of a generally rectangular sheet of opaque, pliable material and a pocket which extends widthwise of and is connected to the body. Distributable weighting means are contained in the pocket for providing a weighted pocket which holds the sunshield in place. The distribution of the distributable weighting means may be adjusted within the pocket to vary the sunshield's effective width and for facilitating the folding of the sunshield to provide a compact unit for storage, as under the seat of an automobile.
    Type: Grant
    Filed: June 25, 1985
    Date of Patent: April 21, 1987
    Inventor: Winfield L. Reese
  • Patent number: 4646375
    Abstract: A reliable fastener to quickly and easily secure a flat sheet around the mattress of a bed, particularly a water bed, to prevent an inadvertent removal of the sheet from the mattress. First and second complementary pieces of adhesive material are arranged at each of the corners of the sheets and at areas of the bed frame over which the mattress corners are laid. A pocket is associated with each of the sheet corners to enable the user to insert his hand therein and guide a first piece of adhesive at the sheet corner into mating and releasable engagment with a second piece of adhesive at the bed frame.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: March 3, 1987
    Inventor: Robert W. Parker
  • Patent number: 4625352
    Abstract: An implement for fastening a sheet to a mat comprises a cover body formed with an opening for inserting the mat on one surface to be mounted on the longitudinal ends of the mat, and a sheet clamping member fixed on the opening side of the upper surface of said cover body. The implements are mounted on both ends of the mat. Subsequently, the ends of the sheet are clamped with the sheet clamping member, so that the sheet is fastened to the mat.
    Type: Grant
    Filed: August 24, 1984
    Date of Patent: December 2, 1986
    Inventor: Mikizo Kobayashi
  • Patent number: 4541137
    Abstract: An elongated flat arm is joined at one end to the outer side of one of a pair of spaced apart legs, with that leg extending at about 90 degrees to the arm. The legs are joined together at one end, and are open ended at the other end. Inwardly directed cooperating projections are located adjacent the open end. A latch having a knobbed end is joined intermediate the length of the joined leg, and that latch extends towards and works in combination with an opening through the opposite leg to hold the legs together.
    Type: Grant
    Filed: November 28, 1983
    Date of Patent: September 17, 1985
    Inventor: Lester K. Murray
  • Patent number: 4521970
    Abstract: An anchoring device for the sheet and/or other covers of a water bed includes a generally elongated rectangular, flat panel for positioning under a water bed mattress to be held in place by the weight of the mattress against the bed support platform and including an elongated slot for receiving a button secured to the corners of the sheets for retaining the sheet in place.
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: June 11, 1985
    Inventor: James M. Jester
  • Patent number: 4520518
    Abstract: A retaining device for a bed cover such as a bed sheet having a clasp for releasably gripping a bed cover corner and a hand hold portion near one end for manipulating the retainer is disclosed and in one preferred form comprises a flat sheet of rubber-like material having a leading edge which is beveled and rounded at the end opposite the handle or hand grip portion and with a suspender-like gripper clip positioned intermediate the two ends. The device is suitable for use on conventional beds and finds particular utility when used in conjunction with a waterbed. The retaining device is also suitable for use with either conventional bed clothes or fitted bed clothes or sheets wherein a sewn in pocket configured to overly the corner of a mattress is provided.
    Type: Grant
    Filed: September 30, 1983
    Date of Patent: June 4, 1985
    Inventor: Brian K. Reaser
  • Patent number: 4506398
    Abstract: A bed sheet for water beds which is substantially rectangular in configuration and dimensioned to cover the top of the fluid-filled mattress. Integral extensions project from the four sides of the sheet and are adapted to be draped over the mattress and positioned between the mattress and the rigid walls of the bed frame. A hemmed pocket is stitched onto each extension and rigid rod means are insertable into said pockets so that, when operationally positioned, the mattress cooperates with the rigid walls of the bed frame to positively grip the rod means therebetween.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: March 26, 1985
    Inventor: Mark Hruban
  • Patent number: 4498205
    Abstract: A medical bed employing a fluidized particle media is improved by clamping the sheet thereof between the hand rails and the side flanges of the bed by means of a series of latch locks engaging latch hooks extending downwardly from the hand rails.
    Type: Grant
    Filed: December 1, 1982
    Date of Patent: February 12, 1985
    Assignee: Fuji Electric Co., Ltd.
    Inventor: Kazuhiko Hino
  • Patent number: 4494262
    Abstract: A mattress cover for use on, and in combination with, a waterbed, including a rectangular fabric panel dimensioned to be longer and wider than the sleeping surface of the waterbed, and having a notch removed from at least two of the corners of the panel at one of the sides of the panel. Elastomeric retainer bands extend across each of these notches and each band has its opposite ends connected to parts of the panel on opposite sides of the respective notch. When the cover is used in combination with a waterbed of right parallelepiped configuration, the panel is superimposed on the upwardly facing sleeping surface of the waterbed, with the peripheral edge portion of the panel overhanging the sides, head and foot of the waterbed, and with the notches in the pad located at corresponding corners of the waterbed.
    Type: Grant
    Filed: April 25, 1983
    Date of Patent: January 22, 1985
    Inventor: Carl L. Robertson
  • Patent number: 4470857
    Abstract: The method of making a foam plastic cushion or structural part with a plurality of fastening assemblies thereon comprising the steps of applying a moisture proof barrier sheet of plastic to a strip of porous backing material; applying a coating of pressure sensitive adhesive to the barrier sheet; applying a strip of hook or loop material having a backing to the adhesive coating extending laterally outward of the strip of backing material, barrier sheet and adhesive coating extending laterally outward of the strip of hook or loop material; bonding the backing of the strip of hook or loop material to the barrier sheet upon the strip of backing material; successively mounting upon a mold surface of a pair of mold bodies defining a mold cavity a plurality of spaced bonded backing and hook or loop assemblies, with the hook or loop material facing the mold surface; adhering peripheral portions of the strip of backing material and adhesive coating to the mold surface for sealing the fastening assemblies thereon; and
    Type: Grant
    Filed: June 25, 1982
    Date of Patent: September 11, 1984
    Assignee: R. A. Casalou, Inc.
    Inventor: Stephen J. Casalou
  • Patent number: 4461049
    Abstract: Disposable fitted sheets and method for making them. The sheets are formed without necessitating prior cutting by folding edges of the material and attaching the folded-over edges along diagonal lines associated with each corner. Elastic bands cooperate with each pocket to maintain the fit on the corners of the mattress. The bands are fastened in a stretched condition to the folded-over edges while the sheet is in a flat state. The process of the invention is particularly adapted to continuously forming such sheets which may be formed from a variety of inexpensive materials. Sheets of the invention are particularly useful in hospitals and nursing homes where frequent bedding changes may be needed.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: July 24, 1984
    Assignee: Kimberly-Clark Corporation
    Inventor: Philip G. Hammond
  • Patent number: 4454615
    Abstract: In an inflatable pad or mattress, or a pad of fluid impervious material for holding fluids of any type, securement straps are provided of the same sheet of film material which is used to form the main portion of the pad. The securement straps are designed to fit around and under the corners of a standard bed mattress to hold the pad in position on the mattress. The film material which forms the main body of the pad is die cut such that four straps are provided at each of the four corners of the pad with each strap being connected to the pad at approximately the center of the ends of the pad and at a point along the side of the pad spaced from the corner.
    Type: Grant
    Filed: May 3, 1982
    Date of Patent: June 19, 1984
    Assignee: Medisearch PR, Inc.
    Inventor: John Whitney
  • Patent number: 4411034
    Abstract: A blanket is held in position on a bed by means of adjustable electrically conductive snaps connected between the blanket and the sheet or mattress cover. The snaps are connected to an electrical circuit in such a way that an alarm sounds when the snaps are disconnected.
    Type: Grant
    Filed: May 13, 1981
    Date of Patent: October 25, 1983
    Inventor: Althea M. W. Williams
  • Patent number: 4400836
    Abstract: A method for using a device for facilitating the covering of a furniture piece, which includes a flat plate which is sized and shaped to fit between the cushion and cushion supports of a chair or couch, or between a mattress and a mattress support of a bed. The flat plate contains a plurality of parallel rectangular slots through which a corner of the furniture covering is passed for securing the furniture covering to the plate. When placed between the mattress and mattress support or cushion and cushion support of a furniture piece, the weight of the mattress or cushion serves to hold the plate in place, which serves to maintain the position of the sheet upon the bed.
    Type: Grant
    Filed: July 31, 1981
    Date of Patent: August 30, 1983
    Assignee: Neat Nap, Incorporated
    Inventor: Carme D. Pelura
  • Patent number: 4389744
    Abstract: A method and system are disclosed for attaching bed bed coverings to the mattress of a bed to prevent them from being pulled loose and to make the task of making the bed on a day-by-day basis easier and quicker. The spread for the bed includes a flap secured near the foot end of the spread extending essentially the width of the mattress, the flap including an elastic strap secured at or near its terminal edge adapted to fit around and across the mattress. Any blankets and the top sheet to be secured to the bed are each fitted with an elastic strap along their respective edges for securing under the foot end of the mattress, the elastic strap extending along the terminal edge essentially the width of the mattress and adapted to fit around and across the top surface of the mattress. The coverings are secured to the mattress in reverse order; i.e., the flap of the spread is first positioned beneath the mattress with the elastic strap extending across the top surface of the mattress.
    Type: Grant
    Filed: November 13, 1980
    Date of Patent: June 28, 1983
    Inventor: Gerald E. Monroe
  • Patent number: 4386439
    Abstract: A low-cost bedspread to permit fresh sheets and blanket to be fitted on the bed when the bedspread is removed, said bedspread comprising as the lining for the bedspread a fitted sheet having elastic strip material sewn to its lower edge adapting the encasing of the mattress and the lining having a bedspread sewn thereto along a rectangular seam to said fitted sheet within a spaced marginal portion between said seam and the mattress to permit the covering of one or more pillows beneath said bedspread at the top of the mattress. After stripping the bedding the assembly of the fitted lining and bedspread the assembly is quickly fitted about the mattress to provide the appearance of a completely made bed. Preferably the seam which sews the bedspread to the fitted lining is a double seam to assure that there be no unintended separation of the spread from the lining due to catching or snagging. In a preferred embodiment a double skirt is gathered and ruffled is provided to enhance the appearance of the spread.
    Type: Grant
    Filed: August 18, 1981
    Date of Patent: June 7, 1983
    Inventors: Yolanda C. Roccograndi, Daniel M. Roccograndi
  • Patent number: 4339835
    Abstract: A combination sleeping sack and decorative cover comprises an outer sack or covering which removably receives an inner sack or liner therein. The inner sack or liner completely covers the inner portions of the outer sack to prevent the outer sack from being soiled in use, the inner sack being completely removable for easy laundering. One or more pillows are retained in respective pouches of the inner and outer sacks. Access openings are provided at the bottom of the outer sack to facilitate insertion of the inner sack and to permit securing of the inner and outer sacks together.
    Type: Grant
    Filed: March 19, 1980
    Date of Patent: July 20, 1982
    Inventors: Fern Jaffe, Rose Blacker
  • Patent number: 4336635
    Abstract: Means for securely keeping bedding such as a bed sheet in contact with an underlying mattress are provided which can be used to keep the corners of the sheet better tucked underneath the corners of a mattress and, if desired, the side edges of the sheet also tucked under the mattress. Thus, the invention not only prevents bedding from undesirably being pulled out from underneath the mattress while one is sleeping but also facilitates making a bed.
    Type: Grant
    Filed: April 13, 1979
    Date of Patent: June 29, 1982
    Inventor: Rose M. Lantz
  • Patent number: 4301561
    Abstract: An improved sheet and liner for waterbeds and the like is provided for use in cooperation with a mattress pad wherein the liner has inner and outer connective strips along its peripheral edge. The mattress pad is provided with a connective strip for attachment to the inner strip on the liner while the sheet is provided with a connective strip for attachment to the outer strip on the liner. A second sheet may be connected to the first sheet along a selected edge thereof.
    Type: Grant
    Filed: January 23, 1979
    Date of Patent: November 24, 1981
    Inventor: Margaret McLeod
  • Patent number: 4292700
    Abstract: A sleeping bag liner (10) is disclosed. A hood panel (20) extends across the head portion of the top and bottom panels (26, 28) of liner (10). Buttons (40, 42) are fastened to the foot portions of the bottom panel of a sleeping bag (12) to correspond with buttonholes (36, 38) in the foot portion of liner (10). The attachment of liner (10) to the foot portion of sleeping bag (12) with buttons (40, 42) prevents liner (10) from entangling about a user's feet. Engagement of hood panel (20) about the head portion of sleeping bag (12) prevents liner (10) from undesirably sliding too far into sleeping bag (12) and additionally protects the head portion edges of sleeping bag (12) from becoming soiled.
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: October 6, 1981
    Inventor: Raymond A. Markel
  • Patent number: 4276667
    Abstract: A device for holding bed clothes in position comprises a flat base and a head portion extending almost upright from the base. The head portion includes a gripping device such as a rubber block for gripping bed clothes, while the base is adapted to grip a mattress or bed base, e.g. by means of a lot of tiny hooks.
    Type: Grant
    Filed: January 12, 1979
    Date of Patent: July 7, 1981
    Inventor: Barry C. Osbourne
  • Patent number: 4228555
    Abstract: Disclosed herein is a frame network to be used in association with a water bed to secure the bed sheets thereon defined by a pair of spaced rectangular frames disposed along the top edge of a water bed in which the top most rectangular frame pivots relative to the bottom most frame at one end of the bed, preferably along the head board. The upper frame is so constructed that the rod closest to the head board is removable and insertable within a sleeve of the bottom portion of a bed sheet, and the side edges thereon similarly have sleeves so that side rods forming a portion of the framework are threaded therethrough. The end or foot portion of the bed sheet is looped over a portion of the frame work parallel to the head board and the sheet is doubled over so as to serve as a top sheet. A pad positioned between the sheet and the mattress is affixed to the lower frame, and a further sheet which extends under the mattress is secure to the bottom edge of the lower frame.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: October 21, 1980
    Inventor: Terry A. Katzakian
  • Patent number: 4222139
    Abstract: A harness-like arrangement for securing mattress pads and the like to the top of mattresses.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: September 16, 1980
    Inventors: Laura J. Svedberg-Reker, Jay J. Reker
  • Patent number: 4202052
    Abstract: A crib sheet for retaining an infant in a central region of a crib or bed and preventing such an infant from displacing a blanket covering when unattended. The sheet includes a central pleat which extends along the entire sheet length and is sewed or otherwise fixed in a folded configuration at the ends thereof. A sleeper jacket is attached at an opening across the central pleat to form an integral sleeper unit. The extendable pleat between the fixed ends permits safe movement for the infant without binding the sheet or causing other discomfort.
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: May 13, 1980
    Inventor: Lydia K. Bilanzich
  • Patent number: 4199831
    Abstract: A mattress securing apparatus utilizes four right angle corner guards disposed at the corners of a mattress resting on a device having a mattress supporting surface therein such as a box spring to prevent lateral displacement of the mattress relative to the supporting surface. A plate, affixed to each corner guard and perpendicular to the right angle leg portions thereof is located between the supporting surface and the lowermost surface of the mattress. A harness, including an elastic member is located in criss cross fashion, connecting the four corner guards together, urging the corner guards in touching engagement with the corners of the mattress and mattress supporting device. A pair of cords flexibly connect adjacent pairs of corner guards together preventing the corner guards from accidental dislodgement when one corner of the mattress is lifted.
    Type: Grant
    Filed: December 28, 1978
    Date of Patent: April 29, 1980
    Inventor: Sylvio Muller
  • Patent number: 4199830
    Abstract: A holding appliance for use in a blanket or a coverlet and the like according to the present invention includes a band for fixing the blanket or the coverlet to a bed in such a manner that the blanket or the coverlet can be freely movable to some extent relative to the bed, thereby to prevent a wakeful condition which may occur due to a pressure on a body by the blanket or the coverlet.
    Type: Grant
    Filed: August 31, 1978
    Date of Patent: April 29, 1980
    Inventor: Yoshie Ogata