Class 172/751 - Captive fastener or wedge tightened or engaged after assembly

Subclass of Class 172 - Earth working
Definition: Apparatus in which one of the parts has attached thereto
No. of patents: 31
Last issue date: 10/24/2006

Number	Title	Issue Date
7124836	Knock-on sweep structure Sweep retaining structure includes a retainer having a contact end biased towards the sweep. The sweep includes two or more spaced end-receiving areas to accommodate changes in the mounted sweep position. In one embodiment, the retainer is a wire made of spring stee...	10/24/2006
7086185	Device for coupling wear pieces to the receptacle tools of a public works machine In a device for coupling a tooth onto an adaptor nose with a key, the tooth includes a skirt shrouding the adapter nose beyond the key passage zone and having a configuration connected to a return wall, comprising a bordering ridge. The wall is provided in the width...	08/08/2006
7070007	Knock-on sweep structure Sweep retaining structure includes a retainer having a contact end biased towards the sweep. The sweep includes two or more spaced end-receiving areas to accommodate changes in the mounted sweep position. In one embodiment, the retainer is a wire made of spring stee...	07/04/2006
6938700	Knock-on sweep structure and tools therefor Sweep retaining structure includes a spring wire retainer with a base supported in a groove on the underside of the wedge support which mates with a stem portion of the sweep. The wedge support is apertured, and a central curved portion of the retainer passes throug...	09/06/2005
6735890	Wear assembly A wear assembly includes an adapter with a nose, a wear member with a socket to receive the nose, and a lock to secure the wear member to the adapter. The nose and socket include complementary rails and grooves that vertically diverge as they extend from the ...	05/18/2004
6684963	Knock-on sweep structure Sweep retaining structure includes a retainer having a contact end biased towards the sweep. The sweep includes two or more spaced end-receiving areas to accommodate changes in the mounted sweep position. In one embodiment, the retainer is a wire made of ...	02/03/2004
6668940	Cultivator point assembly A cultivator point assembly includes an adaptor having a front and a rear end, and intended to be mounted to a cultivator machine at an upper end and having a foot projecting from a lower end. A cultivator point is adapted to be engaged with the adaptor a...	12/30/2003
6585058	Knock-on sweep structure and tools therefor Sweep retaining structure includes a spring wire retainer with a base supported in a groove on the underside of the wedge support which mates with a stem portion of the sweep. The wedge support is apertured, and a central curved portion of the retainer pa...	07/01/2003
5185946	Plow assembly with flexible moldboard A plow assembly useful for moving material from surfaces such as roadways in various selectable discharge directions includes a moldboard assembly and pivotable frame. The moldboard assembly is capable of being oriented in a right side discharge or a left...	02/16/1993
5074062	Method of replacing a worn excavating tooth point A method of replacing a worn point of an excavating tooth wherein the point is held in place by a pin lock including a shearable top flange and torque-resisting, forwardly extending rib, the method including exerting a downward force on the pin lock to sh...	12/24/1991
5056243	Connection for elements at least one of which is subject to abrasive wear A locked connection for structures engageable with abrasive material and the like including a pair of relatively elongated elements at least one of which is subject to abrasive wear, the elements having parallel longitudinally extending centerlines and sp...	10/15/1991
5005304	Replaceable wear element An assembly of wear elements for installation on the wearable part of a structure engageable with abrasive material including a relatively elongated base element adapted to be secured to the wearable part and a relatively elongated wear element releasably...	04/09/1991
4995176	Replaceable wear element, assembly and method An assembly of wear element for installation on the wearable part of a structure engageable with abrasive material including a relatively elongated base element adpated to be secured to the wearable part and a relatively elongated wear element releasably,...	02/26/1991
4984957	Work-implement adapter for front loader An adapter for operatively connecting a work implement such as a bucket or fork to a loader vehicle body. The adapter may be commonly used for connection of various types or sizes of implements. Though easy to use and manufacture, the adapter provides str...	01/15/1991
4976566	Tool mounting assembly An assembly for mounting an earth working tool to a shank having a substantially vertical track on the rear end of the shank, a tool holder having a C-shaped opening at its forward end and adapted to fit over the shank track, and a wedge member adapted fo...	12/11/1990
4899830	Cutting tooth assembly for heavy duty earth working machines A cutting tooth assembly for heavy duty earth working machines has a replaceable cutting point comprised of a length of metal bar of constant transverse cross-section, which is frictionally held on a shank by a reusable holding clamp and which is repositi...	02/13/1990
4854813	Coupling apparatus In the operation of construction vehicles, it is often desirable to quickly change from one work implement to another for various types of work. In order to accomplish this, adapting brackets or extensive support structure is added to the support arm and ...	08/08/1989
4799555	Chisel plow mounting assembly A mounting assembly for attaching a chisel plow share to a standard comprises a first bracket slidable over the standard and including hooks for engaging the share; a second bracket slidable over the standard and also including hooks for engaging the shar...	01/24/1989
4786204	Clamping apparatus with bi-directional clamping device A clamping device for exerting clamping forces in two directions to a shank between a pair of spaced clamping members having a transverse stop. The device includes an elongated bolt like body having a pair of axially spaced sections, a head at one end and...	11/22/1988
4748754	Shovel for an excavator The shovel for an excavator has teeth arranged at a distance apart from one another on its digging edge. The areas of the edge of the shovel between the teeth are equipped with caps that are relatively resistant to wear and are put on in such a manner tha...	06/07/1988
4716666	Wear runner for excavating bucket A wear runner for an excavating bucket which includes a plurality of base elements secured to the bucket in end-to-end relation, a runner element for each base element removably mounted thereunder by means of a rearwardly divergent dovetail....	01/05/1988
4638867	Tine holder for turf aerating apparatus A tine holder for turf aerating equipment includes a horizontal tine arm having a plurality of spaced apertures therein corresponding to mounting positions of the coring tines. The hollow tines are outwardly tapered at their upper ends and the apertures i...	01/27/1987
4576239	Scarifier tooth assembly A scarifier tooth assembly of the type used on earth excavation equipment for digging furrows in the ground which comprises a replacement point and a clamp member for securing the point to a conventional tapered and grooved shank carried by the bucket of ...	03/18/1986
4574890	Tine holder for turf aerating apparatus A tine holder for turf aerating equipment includes a horizontal tine arm having a plurality of spaced apertures therein having a diameter substantially equal to the inner diameter of the upper ends of the tines. The hollow tines are substantially cylindri...	03/11/1986
4342166	Tool fastening A mounting bracket for fastening replaceable earth engaging tools such as rotary hoe blades or trench digger teeth in which the shaft of the tool fits within a recess in the bracket and a spring biased pin is arranged to pass through both the shaft and th...	08/03/1982
4336845	Combination garden tool A combination garden tool is disclosed. A first tool, which has a handle, and a second tool, which is secured to a coupling mechanism, are provided and are detachably coupled to each other in such a manner that both tools can be operated simultaneously. I...	06/29/1982
4208162	Backhoe wedge locking mechanism A backhoe frame is attached to the main frame of a host tractor vehicle at four points. A pair of upper mounting pins each pass consecutively through an outboard restraining plate in the vehicle main frame, a backhoe mounting collar integral with the back...	06/17/1980
4164821	Snow plow blade attachment system By providing a plow and scraper blade assembly with a camming and securing member at one end and a pivotable, blade locking member at the other end, along with a cooperating, interfittingly engageable plow blade, a plow and scraper blade assembly is achie...	08/21/1979
4115021	Implement attachment to shank Detachable cultivator teeth shovels and the like are usually bolted to the implement shank and these bolts corrode or rust, or get clogged with dirt or become burred over thus making detachment extremely difficult. The present device includes a quickly at...	09/19/1978
4058173	Blade assembly with replaceable cutting edge A blade assembly for equipment such as a bulldozer, snow plow or the like has a moldboard and a replaceable blade. A plurality of rearwardly projecting lugs are provided adjacent the top edge of the blade and a corresponding plurality of sockets are provi...	11/15/1977
4038766	Excavator bucket ripper tool A ripper tool apparatus detachably mounted on a conventional excavator bucket so as to distribute the stresses developed as the implement is used. The apparatus includes a central ripper tooth to break hardened or dense earthen material and a pair of side...	08/02/1977

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Class 172/751 - Captive fastener or wedge tightened or engaged after assembly