A screen door for a cooling package of a vehicle that includes proximal and distal frame posts, screen surface, torsion bar, stationary support, torsion bracket and fastener. The proximal frame post is hingedly coupled to the cooling package, and the distal frame post can be hingedly coupled to a secondary door. Proximal end of torsion bar is fixedly attached to proximal frame post, and distal end is moveable relative to the distal frame post. Stationary support is fixedly attached to distal frame post. Torsion bracket is fixedly attached to distal end of torsion bar, and is moveable relative to stationary support. Fastener maintains torsion bracket in a desired position relative to stationary support. Movement of torsion bracket relative to stationary support applies an adjustable torsion on torsion bar, and fastener maintains the adjustable torsion. An adjustment member can be attached to fastener between torsion bracket and stationary support.

A screen door for a cooling package of a vehicle that includes proximal and distal frame posts, screen surface, torsion bar, stationary support, torsion bracket and fastener. The proximal frame post is hingedly coupled to the cooling package, and the distal frame post can be hingedly coupled to a secondary door. Proximal end of torsion bar is fixedly attached to proximal frame post, and distal end is moveable relative to the distal frame post. Stationary support is fixedly attached to distal frame post. Torsion bracket is fixedly attached to distal end of torsion bar, and is moveable relative to stationary support. Fastener maintains torsion bracket in a desired position relative to stationary support. Movement of torsion bracket relative to stationary support applies an adjustable torsion on torsion bar, and fastener maintains the adjustable torsion. An adjustment member can be attached to fastener between torsion bracket and stationary support.

A screen door for a cooling package of a vehicle that includes proximal and distal frame posts, screen surface, torsion bar, stationary support, torsion bracket and fastener. The proximal frame post is hingedly coupled to the cooling package, and the distal frame post can be hingedly coupled to a secondary door. Proximal end of torsion bar is fixedly attached to proximal frame post, and distal end is moveable relative to the distal frame post. Stationary support is fixedly attached to distal frame post. Torsion bracket is fixedly attached to distal end of torsion bar, and is moveable relative to stationary support. Fastener maintains torsion bracket in a desired position relative to stationary support. Movement of torsion bracket relative to stationary support applies an adjustable torsion on torsion bar, and fastener maintains the adjustable torsion. An adjustment member can be attached to fastener between torsion bracket and stationary support.

A hinge system for a laptop computer is disclosed, the hinge system comprising first and second hinges that are tied together using a spring wire. The first and second hinges each have a display portion attached to a laptop computer display and a base portion attached to the laptop computer base. The spring wire is affixed to the display portion of the first hinge and the base portion of the second hinge, and is preloaded so that the laptop computer display opens automatically away at least partially away from the laptop computer base.

A screen door for a cooling package of a vehicle that includes proximal and distal frame posts, screen surface, torsion bar, stationary support, torsion bracket and fastener. The proximal frame post is hingedly coupled to the cooling package, and the distal frame post can be hingedly coupled to a secondary door. Proximal end of torsion bar is fixedly attached to proximal frame post, and distal end is moveable relative to the distal frame post. Stationary support is fixedly attached to distal frame post. Torsion bracket is fixedly attached to distal end of torsion bar, and is moveable relative to stationary support. Fastener maintains torsion bracket in a desired position relative to stationary support. Movement of torsion bracket relative to stationary support applies an adjustable torsion on torsion bar, and fastener maintains the adjustable torsion. An adjustment member can be attached to fastener between torsion bracket and stationary support.

Example implementations relate to cams with non-radial abrasion edges. In some examples, a cam can comprise a first annular surface having an outer radius and an inner radius, a second annular surface having the outer radius and the inner radius, a contact surface connecting the first annular surface to the second annular surface, and a non-radial abrasion edge with respect to the outer radius and the inner radius. The non-radial abrasion edge can be at a distal end of the contact surface.

A hinge system includes a pillar hinge bracket connected to a door hinge bracket by a hinge pin. The pillar hinge bracket is secured to a vehicle body. The door hinge bracket is secured to a vehicle door. A checking device removably secured to the pillar hinge bracket and the door hinge bracket includes a spring portion and a pin portion. The spring portion biases the door hinge bracket to a first position and, in turn, the vehicle door to a fully open position. The pin portion has a first mounting post that secured to the pillar hinge bracket and a second mounting post that is received in an open-sided notch of the door hinge bracket. A ledge partially surrounding the second post includes a stepped portion to prevent unseating of the checking device as the door hinge bracket is caused to move relative to the pillar hinge bracket.

A hinge assembly for a trunk lid, includes: a hinge bracket attached to a trunk compartment; a hinge arm attached to a trunk lid and pivotally connected to the hinge bracket; and a damping mechanism disposed between the hinge bracket and the hinge arm, and damping a pivoting movement of the hinge arm, where the hinge arm has a hollow portion in which the damping mechanism is received.

A hinge assembly for a trunk lid, includes: a hinge bracket attached to a trunk compartment; a hinge arm attached to a trunk lid and pivotally connected to the hinge bracket; and a damping mechanism disposed between the hinge bracket and the hinge arm, and damping a pivoting movement of the hinge arm, where the hinge arm has a hollow portion in which the damping mechanism is received.

A hinge module assembled to a first body and a second body of an electronic device and including a first rotating shaft assembled to the first body and having a first limiting portion, a second rotating shaft movably and rotatably assembled to the second body, a linking member, a switching member, and a transmission couple is provided. The second rotating shaft is fixed to the linking member and has a second limiting portion. The first rotating shaft is rotatably assembled to the linking member. The switching member movably passes through the linking member. The first limiting portion and the second limiting portion are located at two opposite ends of a moving path of the switching member to be interfered therewith. The transmission couple is respectively disposed at the second rotating shaft and the second body.