Patents

ZIV-AV ENG has long list of patents in fields such as: vehicle doors, aircraft crash resisitance seats, plastic injection machines, flexible linear bearings, deck lifters, door locks and others. Some of them are our IPs and others,  IPs of clients who ordered the development projects. 

Following is a sample of our patents:







 

Sabbath elevator

WO 2013035060 A1

A drive system provides a displacement mechanism for driving motion of a device using energy stored in an energy accumulator in a non-electric form. A charge/discharge arrangement selectively charges the energy accumulator with energy derived from an energy source while isolated from the...

Hinged and sliding door assembly for vehicles

US 6161336 A

A hinged and sliding door assembly for vehicles includes a door surround defining an opening, a door configured for mating with the door surround, and a hinge-and-slide mechanism for supporting, and defining movement of, the door relative to the surround. The hinge-and-slide mechanism has an...

Variable pitch thread configuration

US 6401758 B1

An apparatus for providing a variable pitch thread includes a hollow cylindrical element configured to provide a plurality of parallel, radially projecting ridges extending circumferentially around the cylindrical element and spaced apart with a given step as measured parallel to a central axis of...

Energy absorber and method of absorbing energy

WO 1994012806 A1

An energy absorber has first and second anchorages (18) and is adapted to absorb energy when and only when an applied load along a line of action extending generally through said anchorages exceeds a predetermined limit. The energy absorber comprises at least one leaf (10) extending between the...

Wheel with suspension system and centralizing unit with suspension system

WO 2013061121 A1

A wheel with a suspension system being connectable to a vehicle, like a wheel chair, comprises a hub (38) and a rim (34) rotatable about the axle (42) of the hub (38). Between the hub (38) and the rim (34), a number of support members (40) is located. The support members (40) are adapted to retain...

Mobilizing apparatus for airplanes

US 20100314180 A1

A mobilizing apparatus is provided for moving an airplane positioned on the ground, wherein the mobilizing apparatus comprises at least one pair of main wheels and engagement means, and is characterized in that the engagement means is adapted to enable engagement of the mobilizing apparatus to the...

Solar heating apparatus

WO 2010076784 A2

A solar heating apparatus comprising: a first longitudinal space for holding water; a second longitudinal space for allowing upwardly flow of water being heated, located parallel to the first longitudinal space and substantially thermally separated therebfrom; passage means for allowing flow of...

Scanning mechanism for high-speed high-resolution scanning

US 7037012 B2

A scanning system for use in inspecting or writing on a substrate minimizes vibrations by applying movement-actuating forces directly between a carriage and a countermass which are both free to move along parallel tracks. Forces for decelerating and accelerating the scanning carriage are preferably...

Clamping assembly for injection molding apparatus

US 6186770 B1

A clamping assembly for an injection molding apparatus includes a first platen attached to a base and a second platen slidingly associated with the base. A number of tiebars are mechanically linked to each of the platens through a number of mechanical linkages. An actuation system associated with...

Methods and devices for reducing trembling

US 6458089 B1

The present invention is a method and device for reducing trembling of a limb of a human subject. The method comprises suspending a mass from the limb via a suspension configuration. The suspension configuration having an effective spring constant and/or a non-zero coefficient of damping in at least...

Cylinder lock with rotatable pins

US 6257033 B1

A cylinder lock has a plug deployed within a bore in a cylinder housing. The plug defines a keyway which communicates with a number of pin channels. Disposed within the channels are a number of pins which are displaceable along, and rotatable about, their axis. Each pin has an engagement end,...

Rear-door for vehicles

US 20020105202 A1

A rear door assembly for a vehicle includes a rear door surround and a door connected thereto by a mechanical linkage. The mechanical linkage is configured to selectively either retain the door in a closed state relative to the door surround, or to permit opening of the door in a pivoting motion...