阅读说明：本技术 一种装配式住宅跌级吊顶及安装方法 (Fabricated residential grade-falling ceiling and installation method ) 是由 丁欣欣 王文广 周东珊 胡丽丽 余广 于 2021-09-15 设计创作，主要内容包括：本发明为一种装配式住宅跌级吊顶及安装方法,包括固定件、龙骨、高位板、立框板、收边板、灯槽线条、立框件和收边件,所述龙骨通过固定件固定设置在房间顶面上,所述龙骨上设有连接挂件,所述高位板通过连接挂件固定在龙骨上,所述高位板通过立框件与立框板相固定,所述立框板通过灯槽线条与收边板相固定,所述收边板通过收边件固定在房间侧壁上。本发明的优点是：高位连接板和窗帘盒板在地面进行组装,组装便捷；利用立框件和立框板实现跌级结构的安装,可在地面进行安装,可根据不同的设计需求对立框板的尺寸进行调整；设有灯槽线条无需额外开设灯槽,且能够与收边件配合,减少收边板安装时对空间的需求,便于收边板安装。(The invention relates to an assembled house drop ceiling and an installation method thereof. The invention has the advantages that: the high-position connecting plate and the curtain box plate are assembled on the ground, so that the assembly is convenient; the vertical frame piece and the vertical frame plate are used for realizing the installation of the cascade structure, the installation can be carried out on the ground, and the size of the vertical frame plate can be adjusted according to different design requirements; be equipped with the light trough lines and need not additionally to set up the light trough, and can with receive the side part cooperation, reduce the demand to the space when receiving the curb plate installation, be convenient for receive the curb plate installation.)

1. The utility model provides a fabricated building falls a grade furred ceiling, characterized by: including mounting, fossil fragments, elevated plate, found deckle board, receipts sideboard, light groove lines, found deckle spare and receipts limit spare, fossil fragments pass through the fixed setting of mounting on the room top surface, be equipped with the connection pendant on the fossil fragments, the elevated plate is fixed on fossil fragments through connecting the pendant, the elevated plate is fixed mutually with the found deckle board through found deckle spare, found deckle board passes through the light groove lines and fixes mutually with receipts sideboard, it fixes on the room lateral wall through receiving the limit spare to receive the deckle board.

2. A fabricated residential drop ceiling as claimed in claim 1, wherein: the high-level plate comprises a plurality of high-level connecting plates and a curtain box plate, the edges of the high-level connecting plates and the curtain box plate are provided with clamping parts, adjacent high-level connecting plates are clamped through the clamping parts, and adjacent high-level connecting plates and the curtain box plate are clamped through the clamping parts.

3. A fabricated residential drop ceiling as claimed in claim 1, wherein: the connecting hanging piece comprises a connecting base and a hanging piece, the connecting base is fixedly arranged on the lower end face of the keel, a groove is formed in the tail end of the connecting base, the hanging piece comprises a connecting plate and a clamping head, the clamping head is clamped in the groove, and the connecting plate is fixed with the high-level plate through a bolt.

4. A fabricated residential drop ceiling as claimed in claim 1, wherein: the vertical frame plate comprises a first vertical frame plate and a second vertical frame plate, the first vertical frame plate is vertically arranged, the second vertical frame plate is horizontally arranged, the vertical frame piece comprises a first vertical frame piece and a second vertical frame piece, the high-level plate is fixed with the first vertical frame plate through the first vertical frame piece, and the first vertical frame plate is fixed with the second vertical frame plate through the second vertical frame piece.

5. A fabricated residential drop ceiling as claimed in claim 4, wherein: first founds frame spare includes high-order board fixed plate, first connecting plate, second connecting plate and first founding frame board fixed plate, the high-order board fixed plate is parallel to set up and link to each other with the high-order board is perpendicular, first connecting plate links to each other with the second connecting plate is perpendicular, first founding frame board fixed plate is parallel to set up and link to each other with the second connecting plate is perpendicular with first founding frame board, high-order board fixed plate and first founding frame board fixed plate are respectively through bolt and high-order board and first founding frame board fixed, first connecting plate and second connecting plate junction are equipped with the blend stop, and the blend stop offsets with high-order board and first founding frame board respectively.

6. A fabricated residential drop ceiling as claimed in claim 4, wherein: the second upright frame piece comprises a first fixing plate and a second fixing plate which are perpendicular to each other, the first fixing plate is fixed with the first upright frame plate through bolts, and the second fixing plate is fixed with the second upright frame plate through bolts.

7. A fabricated residential drop ceiling as claimed in claim 4, wherein: the lamp groove lines comprise a first clamping plate, a second clamping plate, a third clamping plate, a first vertical plate and a lamp strip mounting groove, the first clamping plate, the second clamping plate and the third clamping plate are all located on the same side of the first vertical plate and are perpendicular to the first vertical plate, the second vertical frame plate is arranged between the first clamping plate and the second clamping plate, the edge folding plate is arranged between the second clamping plate and the third clamping plate, the second clamping plate is fixed with the second vertical frame plate through bolts, the tail end of the first clamping plate is upwarped, and the lamp strip mounting groove is arranged above the first clamping plate.

8. A fabricated residential drop ceiling as claimed in claim 1, wherein: the edge folding piece comprises a first edge folding piece and a second edge folding piece, the first edge folding piece comprises an edge folding clamping plate and a first sleeving part, the second edge folding piece comprises a second sleeving part and an edge folding fixing plate, the first sleeving part is sleeved on the edge folding plate, the second sleeving part is sleeved on the first sleeving part, the edge folding clamping plate and the first sleeving part clamp the top plate on the second sleeving part, and the edge folding fixing plate is fixed with the side wall of the room through bolts.

9. A mounting method of a fabricated house drop ceiling is characterized in that: the method comprises the following steps:

s1: setting a positioning line, and determining the installation heights of the high-level plate and the edge folding plate;

s2: installing a keel;

s3: assembling a high-level board on the ground, arranging a pendant on the high-level board, and clamping the pendant into a connecting base on the keel by a panel formed by integrally lifting the high-level board;

s4: mounting the first vertical frame piece on the elevated plate, connecting the first vertical frame plate and the second vertical frame plate by using the second vertical frame piece, and lifting the first vertical frame plate and the second vertical frame plate integrally to fix the first vertical frame plate and the first vertical frame piece;

s5: arranging a lamp strip on the lamp groove line, lifting the lamp groove line integrally and fixing the lamp groove line on the second vertical frame plate;

s6: the trimming plate is cut according to design requirements, the trimming piece is installed on the trimming plate after the trimming is finished, the trimming plate is lifted integrally, the trimming piece is fixed, the first trimming piece and the trimming plate are moved, the trimming plate is cut, and the trimming side is inserted between the second clamping plate and the third clamping plate of the light trough line, so that the installation is finished.

10. The method for installing a fabricated dwelling drop grade ceiling as claimed in claim 9, wherein: in step S3, after the high boards are assembled, a film is coated on the lower end surfaces of the high boards, so that the plurality of high boards are integrated into a single panel.

Technical Field

The invention relates to the technical field of decoration design, in particular to a fabricated residential grade drop ceiling and an installation method thereof.

Background

The suspended ceiling decoration is a decoration method commonly adopted in indoor design, can increase the layering sense of indoor space, and plays a role in beautifying and decorating. With the development of the decoration industry in industrialized modularized installation, more and more assembled ceiling products are produced.

Currently, most fabricated suspended ceilings have the following problems: 1. when the edge of the assembled suspended ceiling is closed, the last plate is difficult to install and no operation space exists; 2. the cascade structure is complex and the installation is difficult; 3. additional lamp slots are required.

Disclosure of Invention

The invention mainly solves the problems and provides the fabricated residential drop ceiling with low installation difficulty, convenient edge folding and no need of additionally arranging a lamp groove and the installation method.

The technical scheme adopted by the invention for solving the technical problem is that the assembled residential drop ceiling comprises a fixing piece, a keel, a high-level plate, a vertical frame plate, a side folding plate, a light groove line, a vertical frame piece and a side folding piece, wherein the keel is fixedly arranged on the top surface of a room through the fixing piece, a connecting hanging piece is arranged on the keel, the high-level plate is fixed on the keel through the connecting hanging piece, the high-level plate is fixed with the vertical frame plate through the vertical frame piece, the vertical frame plate is fixed with the side folding plate through the light groove line, and the side folding plate is fixed on the side wall of the room through the side folding piece.

As an optimal scheme of the scheme, the high-position plate comprises a plurality of high-position connecting plates and a curtain box plate, clamping parts are arranged at the edges of the high-position connecting plates and the curtain box plate, adjacent high-position connecting plates are clamped through the clamping parts, and adjacent high-position connecting plates and the curtain box plate are clamped through the clamping parts.

As an optimal scheme of above-mentioned scheme, connect the pendant including connection base and pendant, connection base is fixed to be set up terminal surface under fossil fragments, and connection base end is equipped with the recess, the pendant includes connecting plate and joint, the joint is in the recess, the connecting plate passes through the bolt and is fixed mutually with the elevated plate.

As a preferable scheme of the above scheme, the vertical frame plate includes a first vertical frame plate vertically arranged and a second vertical frame plate horizontally arranged, the vertical frame member includes a first vertical frame member and a second vertical frame member, the high-level plate is fixed to the first vertical frame plate through the first vertical frame member, and the first vertical frame plate is fixed to the second vertical frame plate through the second vertical frame member.

As an optimal scheme of above-mentioned scheme, first upright frame spare includes that high-position board fixed plate, first connecting plate, second connecting plate and first upright frame board fixed plate, high-position board fixed plate parallel and high-position board setting just link to each other with first connecting plate is perpendicular, first connecting plate links to each other with the second connecting plate is perpendicular, first upright frame board fixed plate parallel and first upright frame board setting just link to each other with the second connecting plate is perpendicular, high-position board fixed plate and first upright frame board fixed plate are respectively through bolt and high-position board and first upright frame board fixed, first connecting plate and second connecting plate junction are equipped with the blend stop, and the blend stop offsets with high-position board and first upright frame board respectively.

As a preferable mode of the above mode, the second upright frame member includes a first fixing plate and a second fixing plate that are perpendicular to each other, the first fixing plate is fixed to the first upright frame plate by a bolt, and the second fixing plate is fixed to the second upright frame plate by a bolt.

As an optimal scheme of above-mentioned scheme, the lamp groove lines include first splint, second splint, third splint, first vertical board and lamp area mounting groove, first splint, second splint and third splint all lie in first vertical board with one side and set up perpendicularly with first vertical board, the second founds the framed panel and locates between first splint and the second splint, receive the sideboard and locate between second splint and the third splint, the second splint pass through the bolt and stand the framed panel with the second and fix, the terminal upwarp of first splint, first splint top is located to the lamp area mounting groove.

As an optimal scheme of the above scheme, the edge-folding piece includes a first edge-folding piece and a second edge-folding piece, the first edge-folding piece includes an edge-folding clamping plate and a first sleeving part, the second edge-folding piece includes a second sleeving part and an edge-folding fixing plate, the first sleeving part is sleeved on the edge-folding plate, the second sleeving part is sleeved on the first sleeving part, the edge-folding clamping plate and the first sleeving part clamp the top plate on the second sleeving part, and the edge-folding fixing plate is fixed with the side wall of the room through a bolt.

Correspondingly, the invention also provides an installation method of the fabricated house drop ceiling, which comprises the following steps:

s1: setting a positioning line, and determining the installation heights of the high-level plate and the edge folding plate;

s2: installing a keel;

s3: assembling a high-level board on the ground, arranging a pendant on the high-level board, and clamping the pendant into a connecting base on the keel by a panel formed by integrally lifting the high-level board;

s4: mounting the first vertical frame piece on the elevated plate, connecting the first vertical frame plate and the second vertical frame plate by using the second vertical frame piece, and lifting the first vertical frame plate and the second vertical frame plate integrally to fix the first vertical frame plate and the first vertical frame piece;

s5: arranging a lamp strip on the lamp groove line, lifting the lamp groove line integrally and fixing the lamp groove line on the second vertical frame plate;

s6: the trimming plate is cut according to design requirements, the trimming piece is installed on the trimming plate after the trimming is finished, the trimming plate is lifted integrally, the trimming piece is fixed, the first trimming piece and the trimming plate are moved, the trimming plate is cut, and the trimming side is inserted between the second clamping plate and the third clamping plate of the light trough line, so that the installation is finished.

In a preferred embodiment of the present invention, in step S3, after the high boards are assembled, a film is applied to the lower end surfaces of the high boards, so that the plurality of high boards are integrated into a single panel.

The invention has the advantages that: the high-position connecting plate and the curtain box plate are assembled on the ground, so that the assembly is convenient; the vertical frame piece and the vertical frame plate are used for realizing the installation of the cascade structure, the installation can be carried out on the ground, and the size of the vertical frame plate can be adjusted according to different design requirements; be equipped with the light trough lines and need not additionally to set up the light trough, and can with receive the side part cooperation, reduce the demand to the space when receiving the curb plate installation, be convenient for receive the curb plate installation.

Drawings

Fig. 1 is a schematic overall structure diagram of a fabricated residential drop ceiling in embodiment 1.

Fig. 2 is a schematic structural view of a curtain box plate in embodiment 1.

Fig. 3 is a schematic structural view of the connection hanger in embodiment 1.

FIG. 4 is an enlarged view of the detail of the region A in example 1.

Fig. 5 is a schematic structural view of the first upright frame member in embodiment 1.

Fig. 6 is a schematic structural view of the second upright frame member in embodiment 1.

Fig. 7 is a schematic structural view of a light trough line in embodiment 1.

Fig. 8 is a schematic structural view of an edge trim in embodiment 1.

1-fixing piece 2-keel 3-high connecting plate 4-curtain box plate 5-connecting pendant 6-edge-collecting plate 7-edge-collecting piece 8-second vertical frame plate 9-first vertical frame piece 10-second vertical frame piece 11-light groove line 12-first vertical frame plate 41-horizontal plate body 42-curtain rail 43-baffle 44-clamping part 51-connecting base 52-pendant 521-connecting plate 522-clamping connector 91-high plate fixing plate 92-first connecting plate 93-second connecting plate 94-first vertical frame plate fixing plate 95-first threaded hole 96-baffle 97-clamping strip 101-first fixing plate 102-second fixing plate 103-second threaded hole 111-first clamping plate 112-second clamping plate 112 113-a third clamping plate 114-a first vertical plate 115-a lamp strip installation groove 116-a third threaded hole 71-a first edge-folding piece 72-a second edge-folding piece 711-an edge-folding clamping plate 712-a first nesting part 721-a second nesting part 722-an edge-folding fixing plate 723-a fourth threaded hole.

Detailed Description

The technical solution of the present invention is further described below by way of examples with reference to the accompanying drawings.

Example 1:

the embodiment provides an assembled house falls a level furred ceiling, as shown in fig. 1, including mounting 1, fossil fragments 2, elevated plate, found framed slab, receive sideboard 6, light trough lines, found framed spare and receive the sideboard, fossil fragments 2 pass through mounting 1 fixed the setting on the room top surface, be equipped with on fossil fragments 2 and connect pendant 5, elevated plate fixes on fossil fragments through connecting the pendant, elevated plate is fixed mutually with found framed slab through found framed spare, found framed slab passes through light trough lines and receives the sideboard fixed mutually, receive sideboard 6 and fix on the room lateral wall through receiving the sideboard. In this embodiment, the fixing member is an expansion bolt.

The high-level plate comprises a plurality of high-level connecting plates 3 and curtain box plates 4, and the high-level connecting plates 3 and the curtain box plates 4 are both formed by adopting stone plastics or wood plastics through integral extrusion. As shown in fig. 2, the curtain box plate 4 includes a horizontal plate 41, a curtain rail 42, a baffle 43 and a clamping portion 44, the curtain rail 42 is disposed on the lower end surface of the horizontal plate 41, the baffle 43 is vertically disposed on the right end of the horizontal plate 41, the clamping portion 44 is disposed on the right side of the upper end of the baffle, when the curtain box plate 4 is installed, the left end of the horizontal plate 41 abuts against the side wall of a room, a curtain is slidably disposed in the curtain rail 42, and the baffle is used for shielding the upper end of the curtain and the curtain rail, so as to improve the aesthetic measure. The two ends of the high-position connecting plate 3 are respectively provided with a clamping part, the structures of the clamping parts on the high-position connecting plate and the curtain box plate are the same, the adjacent high-position connecting plates are clamped through the clamping parts, and the adjacent high-position connecting plates and the curtain box plate are clamped through the clamping parts.

As shown in fig. 3, the connection hanging piece 5 includes a connection base 51 and a hanging piece 52, the connection base 51 is fixedly arranged on the lower end face of the keel 2, a groove is formed in the tail end of the connection base, the hanging piece includes a connection plate 521 and a clamping head 522, the clamping head 522 is clamped in the groove, fixing holes are formed in two sides of the connection plate 521, and the connection plate is fixed to the high-level plate through bolts.

As shown in fig. 4, the vertical frame plate includes a first vertical frame plate 12 vertically arranged and a second vertical frame plate 8 horizontally arranged, the vertical frame member includes a first vertical frame member 9 and a second vertical frame member 10, the high-level plate is fixed to the upper end of the first vertical frame plate 12 through the first vertical frame member 9, the lower end of the first vertical frame plate 12 is fixed to the right end of the second vertical frame plate 8 through the second vertical frame member, and the left end of the second vertical frame plate 8 is fixed to the left end of the edge-receiving plate 6 through the light groove strip 10.

As shown in fig. 5, the first vertical frame member 9 comprises, from left to right, a high-position plate fixing plate 91, a first connecting plate 92, a second connecting plate 93 and a first vertical frame plate fixing plate 94 in sequence, the high-position plate fixing plate 91 is disposed parallel to the high-position plate and vertically connected to the first connecting plate 92, the first connecting plate 92 is vertically connected to the second connecting plate 93, the first vertical frame plate fixing plate 94 is disposed parallel to the first vertical frame plate 12 and vertically connected to the second connecting plate 93, the high-position plate fixing plate 91 and the first vertical frame plate fixing plate 94 are both provided with a first threaded hole 95, the high-position plate fixing plate and the first vertical frame plate fixing plate are fixed to the high-position plate and the first vertical frame plate by bolts, a barrier strip 96 is arranged at the joint of the first connecting plate 92 and the second connecting plate 93, the cross section of the barrier strip 96 is a right-angled triangle with the bevel edge being an arc edge, the right-angled edge on the barrier strip 96 is abutted against the high-level plate, and the right-angled edge under the barrier strip 96 is abutted against the first vertical frame plate. The second connecting plate 93 is further provided with a clamping strip 97 facing the high-position plate side, and the clamping strip 97 is arranged in parallel with the high-position plate fixing plate 91. When fixing the high-level board and the first vertical frame member 9, the high-level board is cut, a groove matched with the clamping strip is formed in the cutting surface, the clamping strip 97 is inserted into the groove, and finally the bolt is screwed in the first threaded hole in the high-level board fixing plate 91 to fix the high-level board fixing plate 91 and the high-level board. The card strip can improve the firmness that first upright frame spare links to each other with the elevated plate, avoids first upright frame spare to produce deformation under the effect of upright frame board gravity.

As shown in fig. 6, the second vertical frame 10 includes a first fixing plate 101 and a second fixing plate 102 that are perpendicular to each other, the first fixing plate 101 and the second fixing plate 102 are both provided with second screw holes 103, the first fixing plate 101 is fixed to the lower end of the first vertical frame 12 by bolts, and the second fixing plate 102 is fixed to the right end of the second vertical frame 8 by bolts.

As shown in fig. 7, the light trough line 11 includes a first clamping plate 111, a second clamping plate 112, a third clamping plate 113, a first vertical plate 114 and a light strip installation groove 115, the first clamping plate 111, the second clamping plate 112 and the third clamping plate 113 are all located on the same side of the first vertical plate 114 and are perpendicular to the first vertical plate, a third threaded hole 116 is formed in the second clamping plate 112, the second vertical plate is located between the first clamping plate 111 and the second clamping plate 112, the second clamping plate 112 is fixed to the second vertical plate through a bolt, and a border board is located between the second clamping plate 112 and the third clamping plate 113. The strip mounting groove 115 is disposed above the first clamping plate near the first vertical plate end. The end of the first clamping plate upwarps, so that the second vertical frame plate can be conveniently inserted, and meanwhile, a space is provided for the end of the bolt, so that the bolt can be conveniently screwed in.

As shown in fig. 8, the edge-closing member 7 includes a first edge-closing member 71 and a second edge-closing member 72, the first edge-closing member 71 includes an edge-closing clamp plate 711 and a first engaging portion 712, the first edge-closing member 71 is integrally S-shaped, the first engaging portion 712 opens to the left, and the edge-closing clamp plate 711 is connected to the top plate left end of the first engaging portion 712. The right end of the edge-closing splint 711 is tilted upwards, so that the second sleeving and connecting part can be sleeved and connected conveniently. The first engaging portion 712 is engaged with the right end of the edge-closing plate 6, and the right end of the edge-closing plate 6 abuts against the bottom surface of the first engaging portion 712. The second edge-receiving part 72 comprises a second sleeving part 721 and an edge-receiving fixing plate 722, the second edge-receiving part 72 is integrally F-shaped, the opening of the second sleeving part 721 faces left, the edge-receiving fixing plate 722 is vertically and downwardly arranged at the right end of the second sleeving part 721, a fourth threaded hole 723 is formed in the edge-receiving fixing plate 722, the edge-receiving fixing plate 722 is fixed with the side wall of a room through a bolt, the second sleeving part 721 is sleeved on the first sleeving part 712, the edge-receiving clamping plate 711 and the first sleeving part 712 clamp the top plate on the second sleeving part 721, the edge-receiving fixing plate 722 is fixed with the side wall of the room through a bolt, the second sleeving part is sleeved on the first sleeving part, the first sleeving part can move left and right in the second sleeving part, and the edge-receiving plate can be conveniently installed.

Example 2:

the method for installing the fabricated building drop ceiling in the embodiment 1 comprises the following steps:

s1: setting a positioning line, and determining the installation heights of the high-level plate and the edge folding plate;

s2: installing a keel, wherein the keel is installed on the top surface of a room by using an expansion bolt, and a connecting base on the keel faces the ground when the keel is installed;

s3: assembling the elevated plates on the ground, wherein when the elevated plates are assembled, the clamping parts on the elevated plates are used for clamping two adjacent elevated parts together, the elevated plates at the position of a falling structure are required to be cut according to the design size, after the assembly of the elevated plates is completed, hanging pieces are fixed at the positions of the connecting bases corresponding to the upper end surfaces of the panels formed by the elevated plates, films are coated on the lower end surfaces of the panels, so that the elevated plates are integrated into a whole panel, the attractiveness is improved, and then the hanging pieces are clamped into the connecting bases on the keels by integrally lifting the panels formed by the elevated plates, so that the fixation of the elevated plates and the keels is completed;

s4: installing the first vertical frame piece on a high-level plate at a drop-level structure by using bolts, cutting the first vertical frame plate and the second vertical frame plate according to the designed size, connecting the first vertical frame plate and the second vertical frame plate by using the second vertical frame piece, and lifting the first vertical frame plate and the second vertical frame plate integrally to fix the first vertical frame plate and the first vertical frame piece;

s5: arranging a lamp strip on the lamp strip mounting groove of the lamp trough line, lifting the lamp trough line integrally and fixing the lamp trough line on the second vertical frame plate;

s6: cut receipts sideboard according to the design requirement, will receive the sideboard installation after the cutting is accomplished and receive on the sideboard, during the installation, first cup jointing portion wholly stretches into second cup jointing portion, and first cup jointing portion offsets with second cup jointing portion bottom surface promptly, lifts receipts sideboard on the whole, and fixed receipts sideboard exists certain space between this moment, receipts sideboard cutting side and the light trough lines. Remove receipts limit board and first receipts limit piece, make first grafting portion keep away from second grafting portion but keep first grafting portion all the time and be in second grafting portion, along with keeping away from that first grafting portion cup joints with the second, receive limit board cutting side and stretch into between light trough lines second splint and the third splint gradually, when the light trough lines block completely and receive limit board excision side, stop to remove receipts limit board and first receipts limit piece, accomplish the installation of receiving the limit board. Receive sideboard one end card this moment in the light trough lines, first telescoping portion on the other end then cup joints in second telescoping portion for receive the sideboard and can fix between receipts limit spare and light trough lines.

According to the embodiment, the assembly of the high-level plate and the connection of the first vertical frame plate and the second vertical frame plate are completed on the ground, so that the installation is convenient and fast; utilize the relative movement of first cup jointing portion and second cup jointing portion, for the installation of receiving the sideboard provides the activity space, to the demand in space when reducing the installation of receiving the sideboard, reduced the installation degree of difficulty of receiving the sideboard.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.