Class 294/82.23 - Slidable locking arm

Subclass of Class 294 - Handling: hand and hoist-line implements
Definition: Load engaging hooks wherein the locking device is mounted
No. of patents: 22
Last issue date: 01/24/2012

Number	Title	Issue Date
8100449	Chain grab hook with rotatable spring-loaded lock ball and snap-on nodule A chain grab hook for use with one hand, having a spring-loaded rotatable lock ball protruding from the shank of the hook, the lock ball movable along an axis aligned with the apex of a nodule on the tip portion of the hook, the nodule defining entrance and exit ram...	01/24/2012
7883131	Crane hook assemblies and methods of use A crane hook assembly and methods of use for safely lifting large conduits, such as wind generator tower sections. The hook assembly includes a steel frame member and a support member forwardly extending from the front surface of the frame member. The support member...	02/08/2011
7658424	Lifting hook device A hook (1) in a lifting device, where the hook is of the type where a lifting tool is placed in and released from the hook (1) through a hook opening (11), where the hook (1) is provided with a locking bolt (15) arranged to be disp...	02/09/2010
7364181	Self locking coupling device A coupling device that requires no manual actuation to achieve coupling features a locking bolt movable along a hole extending into a mouth of a hook body to secure a coupling pin therein. A control lever pivotally connected to the locking bolt opposite the mouth en...	04/29/2008
7124479	Snap hook A hook and an eye are integral with and located at opposite longitudinal ends of a body. The hook includes a tip spaced from the body and defining a mouth for attachment of the hook to a ring or other object. A lock pin mounted in the body moves axially between a cl...	10/24/2006
7073754	Cable support systems Cable Support Systems for supporting an object at a desired distance below an overhead beam or other overhead structure are provided. Novel clamps for clamping to the overhead structure are fitted to support cables that encircle objects to be supported by the cable ...	07/11/2006
7059644	Truss gripping hook Cable supported hook apparatus provides a U-shaped upward facing opening for transporting a truss. A cam pivotably mounted opposite the opening has a serrated edge opposite a handle. A slot in the opening permits a spring to urge the cam from a released orientation ...	06/13/2006
6942266	Rim flange clamp A device that clamps to the flange ring of a tire. The clamp has a rear section that can be used to attach a lifting chain or other implement to facilitate the removal and lifting of these flanges. The device consists of a pair of jaws mounted on a body. The jaws ca...	09/13/2005
6719497	Subsea anchor line connection method and connector for use therein A method of mooring a vessel to a subsea anchoring element (1) connected to the seabed, and comprising a chain section (3) which is not longer than half the water depth, and which is at or near its free end provided with a coupling member (4), i...	04/13/2004
6647674	Erection anchor for concrete panel An erection anchor having a forged unitary body that includes a substantially cylindrical shank with one end embedable in a concrete panel and an opposite end extending into a recess in an end of the concrete panel. The forged unitary body also has a subs...	11/18/2003
6422625	Remote operated lifting hook Lifting hook having a control line connected by a resilient and smooth connecting piece to the end of a hook point. The control line is fed through the lifting eye or lifting sling(s) and by then pulling on the line a hook point will be guided by the conn...	07/23/2002
6152509	Coupling element The invention relates to a coupling element which can be coupled to a lifting element of an object to be lifted. The coupling element is provided with a remote-controllable locking element, which in a locking position is designed to prevent disconnection ...	11/28/2000
5884950	Coupling device A coupling device for coupling a hoisting member, such as a hook (1), to a flexible hoisting strap (7). The device includes a coupling part (4) having a straight bar portion (6) with which the strap (7) engages. The device also includes a hoisting body pa...	03/23/1999
5851040	Chain coupling assembly A chain coupling assembly comprising a closed ring member (1) to be coupled to a hoist, e.g. a lifting hook, and at least one chain coupling or shortening member (5) to be coupled to a hoisting chain. A portion (1e) of the ring member is flattened so as t...	12/22/1998
5636889	Flat hook with spring loaded lock-pin A flat hook is provided with a retractable, spring loaded lock-pin that is used to retain the hook on a rail, pole, etc., extending through the throat of the hook. The lock-pin is either biased in a retaining position or a retracted position. A mechanism ...	06/10/1997
5362117	Hook with spring loaded lock-pin A hook is provided with a retractable, spring loaded lock-pin that is used to retain chain link, cable, etc., placed in the throat of the hook. The lock-pin is either biased in a retaining position or a retracted position. A mechanism is provided to posit...	11/08/1994
5297321	Fastening device A fastening device for connecting a garment article such as a shoulder bag which comprises only two separate component parts; viz., a main body and a retainer member. The main body includes a socket member, a belt connector and a "J"-shaped hook member, t...	03/29/1994
5156430	Coupling device A coupling device comprises a shaft member having a coupling ring pivotably mounted thereon, a hook, a cylindrical casing and a compression spring. The coupling ring is pivotable into a horizontal position in which the hook, the casing and the spring are ...	10/20/1992
5119735	Traveling eyelet An eyelet of high strength materials is disclosed herein having an upper end equipped with a tapered roller for movably supporting the eyelet on a cable and having a lower end equipped with a similar roller for supporting the end of the lower end of the e...	06/09/1992
4865374	Double hook logging chain assembly A double chain hook assembly includes a first hook and a second hook, each having a bill and throat portion and a common shank, which is bifurcated at its upper end. The bifurcation produces two projecting legs, having a bight at one end and a throat at t...	09/12/1989
4398762	Pickup device for lifting concrete body A body to be picked up is provided with a bolt having a relatively narrow shaft embedded in and projecting from the body and a relatively wide head on the shaft spaced from the body. This body is picked up by a device having a shackle provided with a cros...	08/16/1983
4262951	Device for transporting prefabricated concrete sections This invention is in an arrangement to facilitate the transporting of a prefabricated concrete component. The concrete component is provided with a wire rope-type anchoring element having an exposed loop situated within a hemispherical recess in the surfa...	04/21/1981

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Class 294/82.23 - Slidable locking arm