U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 411/217 - Key coacts with bolt by occupying an axially extending recess formed in the radially outward surface thereof


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein the externally threaded element receives
No. of patents: 10
Last issue date: 04/11/2000


NumberTitleIssue Date
6048151Threaded fastener
A compressibly resilient strip is retainably disposed in an axial slot in a threaded shank which is advanced through a bore in a plurality of workpieces. A rigid retainer member is inserted into the slot to urge the resilient strip against the bore to inc...
04/11/2000
5573311Anti-rotation device for wheel spindle nut
A retainer for preventing rotation of a spindle nut relative to a wheel spindle. The retainer engages a key way of the spindle and a groove of the spindle nut to prevent rotation of the spindle nut relative to the spindle. The retainer has a semi-circular...
11/12/1996
4973210Anchors for fixing to dense concrete, masonry and the like
A non-expandible anchor for use in tensile zones of strong material having a compressive strength of at least 20 N/mm2 includes a cutting portion having a deep, coarse, raised, external helix formed with a cutting edge and having interruptions ...
11/27/1990
4648768Locknut assembly for high-speed rotary components
A lock assembly for securing nuts to rotatably driven shafts in which a generally U-shaped locking spring is mounted with one leg thereof disposed along an opening in the rotatably drive shaft or a component keyed to the shaft and the other leg thereof di...
03/10/1987
4645394Fastener apparatus
A fastening apparatus is adapted to be inserted and removed from one side of a work piece having an opposite side which is substantially inaccessible to a worker. A first, externally threaded member is threadingly engaged with a receiving structure, and a...
02/24/1987
4505628Bearing locknut
A bearing lockout assembly having a locking cup piece which maintains locking keys in retentive association in counterbores of a lockout is disclosed. The locking cup piece is keyed on its inner diameter to a shaft and provided on the edge of its outer di...
03/19/1985
4504249H-Key adjustable pulley
An adjustable pulley construction including a first disc having a belt-engaging surface and a centrally located, internally threaded annular hub, the hub having an exterior flat face and an interior recess; and a second disc having a belt-engaging surface...
03/12/1985
4501521Locking fastener assembly
A locking fastener assembly has a fastener with a generally cylindrical body with external threads for assembly with a hollow outer member. Crenellations are provided at a first end of the body for engaging an inner member in the hollow member for prevent...
02/26/1985
4418935Pin lock for adjustable link of a three-point hitch
A pin lock for a turnbuckle of an ajdustable link on a three-point hitch. The pin locks the threads of the turnbuckle and is retained in the locking position by a retainer ring....
12/06/1983
3957394Marine propeller mounting device
A shaft coupled at one end to motive means is externally threaded in spaced proximate relation with the opposite free end thereof. A plurality of keyways supporting a plurality of keys are provided at the free end of the shaft. A propeller mount supportin...
05/18/1976
 
Sign InRegister
Username  
Password   
forgot password?