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Patent No. 5421089

Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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Class 292/169.21 - Plural rollback elements directionally selectively effective


Subclass of Class 292 - Closure fasteners
Definition: Device in which two or more rollback elements are provided,
No. of patents: 22
Last issue date: 04/15/2008


NumberTitleIssue Date
7357009Pedastal closure assembly having snag-free lock
A quarter turn slide lock assembly having a base, a cover, a slider, a rotator, springs and washers. The base includes a channel for the slider to move between extended and retracted positions. The slider includes internal and exterior cam follower surfaces. The rot...
04/15/2008
7354081Single bolt mortise lock
The present invention comprises a reversible, single bolt mortise lock assembly for hinged doors. The lock assembly combines live bolt and dead bolt functions utilizing only a single bolt. The invention further features a reversible lock assembly that can be opened ...
04/08/2008
7350555Storm door with a lift-up lock case mortise and method of use
A storm door with a turn-away handle that does not obstruct normal manipulation of the storm door. The storm door permits seasonal changing between a screen or window and routine window cleaning without obstruction by an elongated handle. The storm door incorporates...
04/01/2008
7347462Door handle assembly including auxiliary bearing and auxiliary bearing support for a door handle
A door handle assembly includes a door handle having an operator portion, and a shank extending from the operator portion. A mounting plate has a first bearing, the first bearing being sized to receive the shank of the door handle. An auxiliary bearing assembly incl...
03/25/2008
7293807Door handle assembly
A door handle assembly having a latch bolt mechanism and a retaining mechanism positioned within a housing. A shaft having a lever handle is positioned within a through hole in the latch bolt mechanism. The lever handle can be rotated in a first direction from a fir...
11/13/2007
7284775Single action handle mechanism for operating the door/window
A single action handle mechanism for operating a door/window having at least one handle connected to a cam which operates a spring loaded latch. The handles are mounted on handle plates, each functioning independently of the other. The handle plates are connected to...
10/23/2007
7281401Protective sleeve for latch mechanism for lock
A protective sleeve for a lock includes a circumferential wall delimiting a longitudinal through-hole. The circumferential wall includes at least one longitudinal slot, forming at least one shielding skirt for shielding a housing of a latch mechanism of a lock that ...
10/16/2007
6926319Rose locking mechanism
A rose locking mechanism developed with a hybrid lock architecture for a door designed to incorporate the functionality of a cylindrical lock architecture with the ease of installation of a tubular lock architecture is provided by the present invention. The hybrid l...
08/09/2005
6921116Door handle assembly
A door handle assembly includes a bias mechanism that maintains inside and outer handles in a generally horizontal position in which a latching bolt of a latching bolt mechanism is fully extended, the latching bolt being retracted upon rotating either handle only ab...
07/26/2005
6302453Bi-directional handle and latch assembly
A bi-directional handle and latch assembly mountable to a door or other closure. The latch assembly may be operated by either of a first handle or a second handle. The first handle may operate a latch bolt in the latch assembly by rotating the handle in e...
10/16/2001
6174005Bi-directional handle and latch assembly
A bi-directional handle and latch assembly mountable to a door or other closure. The latch assembly may be operated by either of a first handle or a second handle. The first handle may operate a latch bolt in the latch assembly by rotating the handle in e...
01/16/2001
5727824Isolative coupling for a thumb-lever unit of a door lockset
A door lockset, mounted on a door having an inside and outside face, has a latch bolt operated by a lever handle from the inside and by a grip handle thumb lever from the outside, the latch bolt being biased to an extended position except when retracted b...
03/17/1998
5620211Latch with adjustable backset
The adjustable latch bolt of this invention features a novel cam actuating assembly which permits election of one of two door knob spindle backsets which are in standard usage. The cam assembly is comprised of two half hubs, each having one arm so that on...
04/15/1997
5259652Door latch assembly
A latch assembly comprising a housing; a latch element retractably mounted in said housing; a spindle extending transversely through the housing and rotatably mounted therein; an operative connection between the spindle and the latch element whereby the l...
11/09/1993
5102175Deadbolt assembly for cylinder lock
A dual backset deadbolt assembly comprises a deadbolt mounted in a deadbolt housing for movement to a locking position or an unlocking position, an extension housing having two parallel side walls which are provided with two cam guide slots located at two...
04/07/1992
4834432Dual backset latch
The dead bolt assembly of this invention features a novel cam activating assembly which permits election of one of two door knob spindle backsets which are in standard usage without the need for substituting different operating assemblies or reversing cyl...
05/30/1989
4682802Lock mechanism and a spring and cam assembly therefor
The lock mechanism has a spring and cam assembly provided for returning the lock plunger assembly of the mechanism from a locked to an unlocked position thereof. In addition, however, the spring and cam assembly carries an enlongated limb. When the lock p...
07/28/1987
4615549Dual backset latch
The latch bolt assembly of this invention features a novel cam activating assembly which permits election of one of two door knob spindle backsets which are in standard usage without the need for substituting different operating assemblies or reversing do...
10/07/1986
4405164Rattle-free door latch
A door latch assembly in which thrust roller bearings are placed between the handles and escutcheons and axially loaded to eliminate all axial play of the handles relative to the escutcheons....
09/20/1983
4395063Self-interlocking dead bolt assembly
A self-interlocking dead bolt assembly for the door on a safe depository or like security container has a dead bolt guide mounted on the inner face of the door and a bore extends end to end through the dead bolt guide to permit an elongated dead bolt of h...
07/26/1983
4226451Safety latch
This latch is meant to provide safety against unintended actuation, in particular by a child, and is characterized by requiring a relatively unnatural combination of pushing and rotation to be actuated. More particularly, the rotation must be done while t...
10/07/1980
3934435Door lockset and strike
A lockset has a die cast, monolithic body pivotally supporting a lever handle which upon actuation and through fingers engages tabs of a lock bolt assembly for selective linear retraction of the latter. A rotatable knob carried by the body through a spind...
01/27/1976
 
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