A door mechanism for a compartment on an aircraft that includes a door with a first lower guide, a second lower guide, a first upper guide, and a second upper guide. The door mechanism includes a first lower track, a second lower track, a first upper track, and a second upper track, each having a guide track. The first lower guide, second guide, first upper guide, and second upper guide being configured to travel along the corresponding guide track to enable the door to move between open and closed positions. The door in the open position may be positioned within a portion the compartment or may be positioned above the compartment. The first and second lower tracks may include a first a second gap that enables the door to be selectively uncoupled from the first and second lower track guides permitting the door to swing away from the compartment.

The disclosure relates to a pivot bar for a tiltable sash window where the pivot bar is designed for mounting along an exterior surface of a sash frame. The pivot bar includes a first leg positioned within a channel formed on the stile of the sash frame and a second leg positioned within a channel formed on the bottom rail of the sash frame. In a coupled configuration, the pivot bar wraps around the exterior surface of the corner of the sash frame where the stiles and bottom rail meet.

The disclosure relates to a pivot bar for a tiltable sash window where the pivot bar is designed for mounting along an exterior surface of a sash frame. The pivot bar includes a first leg positioned within a channel formed on the stile of the sash frame and a second leg positioned within a channel formed on the bottom rail of the sash frame. In a coupled configuration, the pivot bar wraps around the exterior surface of the corner of the sash frame where the stiles and bottom rail meet.

In example implementations, an end cap is provided. The end cap includes a body portion comprising a top end, a bottom end, a front side, a back side, an inner side, and an outer side, a plurality of openings aligned between the inner side and the outer side to receive a mechanical fastener to connect to an end of the panel, a cam lever coupled to the top end, wherein the cam lever is to rotate around an axis to generate a lift force to lift and separate an adjacent panel, and a plurality of wheels coupled to the inner side, wherein the panel moves along a horizontal track via the plurality of wheels aligned with the horizontal track.

In example implementations, an end cap is provided. The end cap includes a body portion comprising a top end, a bottom end, a front side, a back side, an inner side, and an outer side, a plurality of openings aligned between the inner side and the outer side to receive a mechanical fastener to connect to an end of the panel, a cam lever coupled to the top end, wherein the cam lever is to rotate around an axis to generate a lift force to lift and separate an adjacent panel, and a plurality of wheels coupled to the inner side, wherein the panel moves along a horizontal track via the plurality of wheels aligned with the horizontal track.

An inverted constant force window balance system includes a carrier assembly and a mounting bracket. The carrier assembly includes a housing, a coil spring disposed within the housing, and a shoe assembly coupled to the housing. The shoe assembly is configured to receive a pivot bar from a window sash and extend at least one brake upon rotation of the pivot bar. The mounting bracket is releasably coupled to the housing opposite the shoe assembly and is coupled to the free end of the coil spring. At least a portion of the mounting bracket is configured to slideably move in relation to the free end of the coil spring between at least two positions. When at least a portion of the mounting bracket moves between the at least two positions, the mounting bracket disengages from the housing and releases the mounting bracket from the carrier assembly.

An inverted constant force window balance system includes a carrier assembly and a mounting bracket. The carrier assembly includes a housing, a coil spring disposed within the housing, and a shoe assembly coupled to the housing. The shoe assembly is configured to receive a pivot bar from a window sash and extend at least one brake upon rotation of the pivot bar. The mounting bracket is releasably coupled to the housing opposite the shoe assembly and is coupled to the free end of the coil spring. At least a portion of the mounting bracket is configured to slideably move in relation to the free end of the coil spring between at least two positions. When at least a portion of the mounting bracket moves between the at least two positions, the mounting bracket disengages from the housing and releases the mounting bracket from the carrier assembly.

A door roller includes a carriage member comprising a plurality of bores, and a plurality of roller assemblies connected to the carriage member, each roller assembly of the plurality of roller assemblies including a pivot bearing rotatably disposed within a bore of the plurality of bores and a pair of rollers coupled to the pivot bearing. Each wheel assembly is configured to pivot relative to the carriage member.

A window balance may include a shoe body with an elongate portion and an enlarged portion. The elongate portion may include at least one carrier section for supporting a coil spring and an enlarged portion may include a locking element and a cam in communication with the locking element. The width of the enlarged portion may be greater than the width of the elongate portion. The spring may rest in the carrier section and may be secured to a window jamb with a fastener or a mounting element.

A window balance may include a shoe body with an elongate portion and an enlarged portion. The elongate portion may include at least one carrier section for supporting a coil spring and an enlarged portion may include a locking element and a cam in communication with the locking element. The width of the enlarged portion may be greater than the width of the elongate portion. The spring may rest in the carrier section and may be secured to a window jamb with a fastener or a mounting element.