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Patent No. 5926874

Automatic Bed Maker

An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.

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Class 279/2.17 - Axially compressible element expands radially


Subclass of Class 279 - Chucks or sockets
Definition: A device wherein the means for making the connection is
No. of patents: 30
Last issue date: 06/03/2008


NumberTitleIssue Date
7380798Method for clamping and subsequently machining a disk or ring-shaped workpiece
The invention pertains to a method and apparatus for clamping and subsequently machining a disk- or ring-shaped workpiece, wherein the workpiece is set down on a contact surface of a contact member made from elastomeric material. The workpiece is axially pressed aga...
06/03/2008
7278640Quick-connect chuck mechanism
A chuck is provided for retaining the shank of a tool bit or accessory, having a fixed diameter, inserted in a central channel at a distal end of the chuck. At least one torsion spring is mounted axially within a housing and has an inner dimension and shape comparab...
10/09/2007
7077258Modular low friction spindle assembly
Spindle assemblies include an upper spindle shaft with an undercut section, which reduces wear on parts. Assemblies include a depth stop on a probe pin to ensure accurate alignment upon reassembly with minimal time and effort. ...
07/18/2006
6997487Anti-animal container lock
A locking arrangement is for a receptacle and cover with overlapping parts and aligned holes through the overlapping part. A bolt extends into at least one of the holes with a handle at one end of the bolt for pulling the bolt out of the aligned holes in a withdrawi...
02/14/2006
6742785Clamping device, in particular for thin-walled hollow parts
The invention concerns a clamping device comprising a tensioning spindle whereof one end has a first axially fixed support surface and whereof the other end has a second axially mobile support surface and mobile relative to the first support surface through a clampi...
06/01/2004
6412766High precision expanding mandrel with cylindrical or compensated gripping
The invention provides a mandrel comprising a shaft (1) the forward end of which has the shape of a forward pointing truncated cone (7), an expanding sleeve (15) constituted by a ring provided with longitudinal slits designed to slide over said conical fo...
07/02/2002
6142487Centering and holding apparatus and method using inclined surface
An apparatus for centering and holding a substrate including: (a) a substrate holding assembly defining a centerline; and (b) a substrate centering assembly including an alignment member, wherein the alignment member is disposed concentric with the center...
11/07/2000
5829759Chuck assembly
There is disclosed a chuck assembly for engaging the inner surface of a hollow substrate comprising: (a) a housing having an open end and defining a passageway in communication with the open end; (b) a partially hollow elastic boot defining an entry hole ...
11/03/1998
5794948Chuck assembly
A chuck assembly defining a longitudinal axis for internally holding a hollow substrate is disclosed including: (a) a stationary top pressing member; (b) a bottom pressing member movable along the longitudinal axis; (c) an elastic bag defining an opening,...
08/18/1998
5743538Chuck assembly having a pull up feature
There is disclosed a chuck assembly defining a longitudinal axis for internally holding a hollow substrate having an open first end and a second end including: (a) an alignment shoulder positioned along the longitudinal axis; (b) an end portion, positione...
04/28/1998
5595376Mandrel for processing a workpiece with an internal spline
A mandrel for use in processing a workpiece having an internal spline. The mandrel includes an expandable collet having an upper expandable spline-shaped portion and a lower portion with a groove adapted to receive two half-keys. Inside the expandable col...
01/21/1997
5527023Alignment device with radially expandable tube
An alignment device with a radially expandable tube for temporary alignment of a plurality of apertured workpieces in which the precise alignment of associated apertures is required. The radially expandable tube extends from the housing, and contains a pl...
06/18/1996
5328181Low energy transfer mandrel and process for using mandrel
A mandrel for transporting hollow cylinders including an elongated arm having a first end and a second end, an expandable disk supported at the first end and means supported at the second end to expand the expandable disk, the mandrel arm comprising an el...
07/12/1994
5324049Mandrel with flared, dish shaped disk and process for using mandrel
A mandrel for transporting a hollow cylinder including an elongated arm, a dish shaped disk adjacent one end of the elongated arm, the dish shaped disk having a flexible lip flared inclined away from the elongated arm, the flared flexible lip having a cir...
06/28/1994
5322300Self adjusting mandrel with expandable elastomeric disk and process for using mandrel
A mandrel including an elongated arm having a first end and a second end, a reciprocatable shaft coaxially aligned with and extending through the arm, a first end of the shaft extending beyond the first end of the arm and a second end of the shaft extendi...
06/21/1994
5320364Mandrel with expandable high temperature elastomeric polymer disk and process for using mandrel
A mandrel for transporting a hollow cylinder including an elongated arm having an imaginary axis, an expandable disk shaped member having at least one hole and a circular outermost edge, the disk shaped member being mounted on and coaxially aligned with o...
06/14/1994
5282888Holding apparatus for a dip coating apparatus
The present invention provides an apparatus for holding a hollow cylindrical body with openings at both ends during a dip coating apparatus having a flange member, a first pressing member fastened to the flange member, a shaft member extending from the fl...
02/01/1994
5186477Drum chucking device
Disclosed is a chucking device for chucking a drum to keep it vertical while the drum is immersed in a coating liquid to be coated with the coating liquid. The chucking device comprises upper and lower pressure members having tapered peripheral surfaces a...
02/16/1993
4914798Method for removing gear train assembly or final drive assembly from a power transmission casing
A power transmission gear assembly puller for use on the General Motors 440 power transmission, facilitating the accessibility of power transmision gears for repair and maintenance. A novel means for removing a gear assembly incorporating a shaft with an ...
04/10/1990
4770456Robotic end of arm tooling internal gripper
The present invention provides an end of arm tooling (EOAT) internal gripper device for a robot. The EOAT of the present invention provides a gripper portion which can be elastically deformed by being extended or retracted by an internal rod actuator. Ext...
09/13/1988
4666167Stress bushing for profile-stressing objects
An elastic stress bushing comprising profiled prominences disposed at isoed locations, said profiled prominences having outer stressing surfaces, whereby the presence of the profiled prominences does not detract from the elastic properties of the overall...
05/19/1987
4465220Device for supporting weld underbead
An elastomeric mandrel has a shallow groove around the outer diameter. A woven sleeve of ceramic fiber surrounds the mandrel; which in turn is covered with a woven sleeve of fiberglass. The mandrel with coverings is inserted into tubing to be joined by we...
08/14/1984
4422590Stub shaft
A stub shaft comprising a hollow shaft having a pair of resilient rubber gripping rings mounted thereon. Each resilient gripping ring is mounted between a chuck and a pressure plate. Pressure bars hold the pressure plates in spaced but operative relations...
12/27/1983
4284283Expansible chuck
A chuck having a plurality of elastic and resilient compressible segments which have the general shape of a strip which, in longitudinal section, have a zig-zag configuration with flattened tops and bottoms, with upper and lower recesses which are filled ...
08/18/1981
4238979Stabilizing device for hollow workpieces
A stabilizing device of durable, compressible, material, in which the rotation of the device is coupled to the rotation of the stabilized workpiece in a chuck by the pressing of the device against the base of a bore in the workpiece. The resulting compres...
12/16/1980
4184243Method for removing tubes from a tubesheet
A method for removing a tube from an opening in a tubesheet in which a containment plug is placed in the tube at a predetermined distance from the end of the tube and a granular material is placed into a portion of the tube between the plug and the latter...
01/22/1980
4168073Glass article handling chuck
A chuck for handling hollow, cylindrical glass articles, such as used in solar energy installations, is disclosed wherein such glass articles generally are in the form of concentrically assembled glass tubing having a coated exterior surface. In the orien...
09/18/1979
4106783Clamping device for accurately centering a work-piece or a tool
A workpiece or a tool which is clamped co-axially to a circular base by interposing a deformable sleeve between the base and the workpiece or tool. The sleeve is then deformed to clamp the two members together. When the members are assembled before deform...
08/15/1978
3995967Simultaneously expanding and contracting annular coupling device
For drivingly connecting the external cylindrical surface of an inner machine element to the internal cylindrical surface of an outer machine element, such as a shaft to a pulley, forward and rearward clamping rings are spaced axially apart from one anoth...
12/07/1976
3955453Cutting of metals by shearing
In tube-shearing apparatus of the kind employing relatively transversely moving apertured dies and an internal supporting mandrel, the mandrel comprises an elastomeric body which is compressed axially with the high force to expand it radially against the ...
05/11/1976
 
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