CN1650774A

CN1650774A - Furniture glide with polyurethane base

Info

Publication number: CN1650774A
Application number: CNA2005100052280A
Authority: CN
Inventors: 拉尔夫·卡皮内拉
Original assignee: Carpin Manufacturing Inc
Current assignee: Carpin Manufacturing Inc
Priority date: 2004-02-05
Filing date: 2005-02-01
Publication date: 2005-08-10
Also published as: CA2491766A1; TW200528044A; US20050172449A1; MXPA05001346A

Abstract

A furniture glide base having a substantially circular sliding surface that is of elastomeric material, preferably a thermoplastic urethane such as polyurethane. In one embodiment, the glide base has an annular rim portion extending obliquely upward from the periphery of the circular sliding surface to a first elevation, and a central post extending vertically upward from the center of the base, to a higher elevation. The post can have an upper end that forms a spherical surface to form part of a swivel joint. In another embodiment, the base has an annular rim portion of the same or different material, extending upward from the periphery of the circular sliding surface, for receiving a furniture leg.

Description

Furniture glide with polyurethane base

Technical field

The present invention relates to furniture glide, relate in particular to improved furniture glide base.

Background technology

The type and the structure of furniture glide are various, but its basic purpose all provides a top and a bottom that forms sliding surface that holds furniture leg.U.S. Patent number 5991974, the open US2002/0088082A1 of " Swivelling Furniture Glide " and 6154923 " the High Hold FurnitureGlide " and the U.S. has described the carriage of the type with three main members: (1) metallic sheath comprises that a diapire, one extend and form the upright cylinder side wall of the pod that holds furniture leg and the clamping device that is used to engage the furniture leg that holds in pod from diapire; (2) rotatable carriages that are fixed on the metallic sheath diapire are supported housing; And (3) one be fixed on the glide base of sliding surface of supporting on the housing and forming the substantially flat of kiss the earth.

U.S. Patent number 6405982, " Self-Attaching Sliding Support forArticles of Furniture " described the carriage of another type, it does not have metallic sheath or verticity, and by the integral body that is used to clamp the cup-shaped integral, flexible parts of being generally of shank and be used for kiss the earth slidably base component constitute.

In these and other known furniture glide, the sliding surface of kiss the earth all is selected from the material with higher hardness especially.Typical base component material comprises iron and steel (being selected to carpet usually) or duroplasts, such as nylon or polyethylene (multiselect is used for the tile floor).These materials should have durability ideally and make the cleaning of sliding surface easy, and make furniture easy and quiet along the slip on ground, and do not occur wearing and tearing or staining.Although these materials can show satisfactory performance under new or cleaning ambient, in actual use, stain of Chu Xianing and chip but make the performance of the furniture glide that adopts these base materials reduce greatly on the ground.

Summary of the invention

The objective of the invention is, a kind of furniture glide that not only can be used for carpet but also can be used for the sliding surface of tile floor that has is provided, it keeps gratifying durability and easy cleaning performance and slides along ground in the use age that prolongs easiness and quietness, and do not wear and tear and stain.

Aspect total, the present invention can be summarized as a kind of furniture glide base, and it has almost circular sliding surface, and this sliding surface is an elastomeric material, and preferred thermoplastic carbamate (urethane) is made such as polyurethane.In one embodiment, this glide base has an annular edge of part that extends to first height from circular sliding surface periphery obliquely, and one extends upwardly to the more newel of high altitude from the pedestal central vertical.This newel can have a upper end that forms spherical, the part that is rotatably connected with formation.In another embodiment, this pedestal has and is made from the same material or a different material and extends upward to hold the annular edge of part of furniture leg from circular sliding surface periphery.

On the other hand, the present invention is a kind of furniture glide, comprises a top and a bottom that forms smooth sliding surface that holds furniture leg, and its middle and lower part is made of elastomeric material.

Again on the one hand, the present invention aims to provide a kind of carriage that is used for furniture leg, comprise (1) metallic sheath, comprise that a diapire, one extend and form the upright cylinder side wall of the pod that holds furniture leg and the clamping device that is used to engage the furniture leg that holds in pod from diapire; (2) carriages that are fixed on the metallic sheath diapire are supported housing; And (3) glide bases that are fixed on the support housing and form the sliding surface of substantially flat, wherein sliding surface is an elastomer.

Irrelevant with embodiment, on all ground, all make us showing uncannily superperformance according to the softer sliding surface of elastomeric material of the present invention.Obviously, the heavy load by the furniture leg transmission causes dirt and chip, contacts such as the partial high pressure power of the grains of sand, glass fragment, metal fragment and fringe and other solid particles, and this softer can cave in interim " absorption " these particles.For example, when a student be sitting in have according to the chair of carriage of the present invention on the time, particle under sliding surface is adsorbed (promptly by pedestal temporarily, be absorbed in), thereby when the student who sits down at desk or dining table etc. down during mobile chair, the particle that is absorbed in sliding surface not and the original low frictional contact surface between sliding surface and the ground conflict.

This adsorption effect not only reduces the illeffects to sliding that the appearance because of particle between ground and sliding surface causes, and by identical mechanism, the wearing and tearing on the ground that may cause during " scraping " mistake ground and staining have been reduced in the motion of particle such as moving of chair by furniture.Similarly, the scraping of the sliding surface that causes by these particles also is reduced, and thinks the softness that is not suitable for this final use and the life-span of rapid wear material thereby prolong traditional thought.

Another advantage of the present invention is, when the weight on the pedestal was removed, the distortion of the base material that causes because of granule for absorbing recovered, thereby shifts the particle of absorption onto can remove easily sliding surface.

Thereby, clearly, the present invention is easy to reach goal of the invention, promptly, a kind of furniture glide that not only can be used for carpet but also can be used for the sliding surface of tile floor that has is provided, it keeps gratifying durability and easy cleaning performance and slides along ground in the use age that prolongs easiness and quietness, and do not wear and tear and stain.

Description of drawings

The preferred embodiments of the invention will be described with reference to the accompanying drawings hereinafter, among the figure:

Fig. 1 is the profilograph according to the rotation furniture glide with elastic base of first embodiment of the present invention;

Fig. 2 is the stereogram of elastic base of the embodiment of Fig. 1;

Fig. 3 is the profilograph according to the furniture glide with Elastic Sliding face of second embodiment of the present invention;

Fig. 4 is the stereogram of furniture glide of the embodiment of Fig. 3; And

Fig. 5 and 6 is respectively the plane and the cross-section front view of alternate embodiment as illustrated in fig. 1 and 2.

The specific embodiment

Fig. 1 and 2 represents first embodiment according to glide base of the present invention, with such as at U.S. Patent number 5991974, rotation furniture glide described in " the Swivelling Furniture Glide " and 6154923, the open US2002/0088082A1 of " HighHold Furniture Glide " and the U.S. is relevant.

Be used to hold the clip of furniture leg and metallic sheath generally respectively by

numeral

10 and 12 expressions.Metallic sheath 12 has a circular bottom wall 14 and a upright cylinder side wall 16.The top of sidewall preferably inwardly is radial angle to form circular ferrule opening 18.Preferably the closely cooperate external diameter of furniture leg (not shown) of metallic sheath opening 18.Diapire 14 forms a circular permanent opening 20 coaxial with metallic sheath opening 18.The diapire 14 of metallic sheath 12 further preferably has the profile of the recess of permanent opening 20.

Clip 10 in the metallic sheath 12 can have various ways; That represents among Fig. 1 is formed by the longitudinal elasticity bonding jumper.Clip 10 has a clip base 22, and this clip base 22 has less than the landing pit (footprint) of metallic sheath opening 18 and a pair of gripper-

arm

24,26 that is positioned at relative position.This gripper-

arm

24,26 is extended vertically upward from clip base 22 usually.Be not subjected to the gripper-

arm

24,26 of stress to form a middle linear diameter (neutral diameter) greater than the diameter 28 of metallic sheath opening 18.The

arm

24,26 and the pedestal 22 of clip 10 are elastically deformables, thereby when clip 10 inserted, pedestal was introduced in the metallic sheath opening 18, gripper-

arm

24,26 to internal strain with diameter 28 less than metallic sheath opening 18.Behind metallic sheath opening 18, gripper-

arm

24,26 is recovered neutral shape usually.

Clip base 22 forms central clip permanent opening 30.When being installed in clip 10 in the metallic sheath 12, clip permanent opening 30 is aimed at metallic sheath permanent opening 20.Clip base 22 is also outstanding downwards to form the cylindrical portions may that length equals the recess profile depth of metallic sheath 12.Permanent opening 20,30 diameters are identical.

Fixture 32 is fixing by clip and metallic sheath permanent opening 30,20.But fixture 32 has extended head 34 and relative rotating part 36.The head 34 of fixture 32 inserts and bends or beat out with the diapire 14 of tractive rotating part 36 near metallic sheath 12 by the permanent opening of aiming at 20,30.Fixture tightens together metallic sheath 12 and clip 10 securely.When tightening together, clip 10 and metallic sheath 12 just can be supported furniture leg fully, thereby and no longer need any additional structure member.The rotating part 36 of fixture 32 extends also outwards radiation downwards from diapire 14 and extends, to form a spherical inner rotary face of projection and a with one heart interior spherical surfaces of revolution.

Housing unit 38 with inner casing 40 and shell 42 combines with the inner rotary face of fixture 32 slidably.Inner casing 40 is generally spherical and forms to have less than shell opener 44 in the diameter of the rotating part 36 of fixture 32 circular.Inner casing 40 is nested in the shell 42.Shell 42 has frustoconical shape usually, forms to limit an outer peripheral expansion 46 and a tapered section 48.Shell 42 forms a circular housing opening 50 at tapered section 48 places that diameter has less than the external diameter of inner casing 40.The spherical form of inner casing 40 can improve inner casing 40 and engage with the rotational slide of shell 42.

Glide base 52 is installed in the expansion 46 of shell 42.Integral body or monomer members that glide base 52 preferred die castings are elastomeric material, this elastomeric material is softer than the traditional material that is used for this purpose.This pedestal 52 is circular, has an annular edge of part 54 and a newel part 56 that raises along axis that is used to join to shell 42.Glide base 52 is installed the location by the outward flange of crimping shell 42.The newel part 56 of glide base 52 forms the pedestal surfaces of revolution of projection usually, carries out consistent surface-surface contact with the interior surfaces of revolution of fixture 32.Newel part 56 forms sufficiently high size, with the fluid-tight engagement of maintenance housing unit 38 with the rotating part 36 of fixture 32.The preferred size of rotating part 36, inner casing 40, shell 42 and glide base 52 for make metallic sheath 12 relatively pedestal 52, from vertical line rotate to 32 the degree.For the furniture glide 58 that requires the smaller angle rotation, only require to have shell 42.Glide base 52 preferably is made of TPUE.Glide base 52 plays the effect of mat, and has smooth, the circular sliding surface 60 that is used for kiss the earth.

Fig. 3 and 4 expressions are according to second embodiment of the present invention, and are relevant with the carriage described in U.S. Patent number 6,405 982 " Self-Attaching Sliding Support for Articles of Furniture ".

Be used for the adhering to certainly of article of furniture (self-attaching) slidably supporter 110 comprise one first resilient, especially elastomeric holding components 112 and one second slide unit 114.Holding components 112 comprises a thicker base part 116, is used to cushion the weight of the object that will support.Integrated with the base part 116 of holding components 112 is the upright recessed peripheral edge 118 that extends internally.Edge 118 is generally " C " shape, and is used to engage the leg 120 of the article of furniture that will support.In view of edge 118 is also preferably formed by elastomeric material, so the periphery of resilient engagement leg 120 freely.And edge 118 also can hold the leg of certain limit size and dimension.

The edge 122 at edge 118 extends internally and is suspended from the inner space 124 of holding components 112.The diameter of the circular open 126 at edge 118 is expressed as size A.And the diameter of the inner space 124 of parts 112 is expressed as size B, and size B is greater than size A.In view of edge 118 meeting strain when leg 120 inserts wherein, so supporter 110 can hold the furniture leg of A to B diameter range.And edge 118 also can hold the square or rectangular leg of diagonal in scope A to B.So just reduced the number of the supporter 110 of the different size that needs outfit.In addition, the supporter 110 of the common circle shown in here also can be ellipse or rectangle in plan view.

Slipper 114 is generally cup-shaped, and be connected to supporter 112 below, thereby it can be placed on the face that article of furniture will support thereon.Slipper 114 is preferably made by TPUE.

Should be appreciated that, according to the slidably supporter 110 of second embodiment of the present invention can be replacedly by the homogeneous elastomeric material but not different materials make.Become in the example, the bottom 114 that forms sliding surface all is made up of elastomeric material, comprise the elasticity mixture, and top holding components or part 112 is not required for elastomer at each.Similarly, as long as sliding surface is an elastomer, the glide base of first embodiment just can be composite so.

Fig. 5 and 6 expressions are about the replacement embodiment of above-mentioned Fig. 1 and 2.The whole carriage 210 of this embodiment has clip structure, comprise a metallic sheath 212, support a circular usually clip member 214 in it, this clip member 214 is formed with a plurality of depressions or stripping and slicing, thereby form independently, outstanding gripper-arm 216 downwards, with securely fixing be the bottom (not shown) of the furniture leg of tubulose substantially.Iron and steel fixture 218 by metallic sheath 212 and have an extendible upper end in assembling, is installed clip 214 with the top that abuts against the vault 220 that forms in the metallic sheath bottom at the center.Metallic sheath self is placed on the supporting platform 222, and this supporting platform 222 is supported in the fixture lower end, and fixture has a concave surface seat (concave seat) 224 at this place.This provides with the rotation of the newel part 226 of pedestal 228 and has engaged.The same with previous embodiments, preferably, polyurethane base 228 is installed the location by the outward flange of the crimping of cap 230, and this cap 230 is installed on the inner casing 232.

The elastomeric material that forms the sliding surface of the arbitrary embodiment of the present invention is preferably urethanes, and is especially thermoplastic, is in particular polyester-type PCL resin (polyesterpolycaprolactone resin).In general, elastomer should have the hardness in the 50-60 scope, and is preferred about 55, in Shore hardness (Shore D scale).The optimization polyurethane material can adopt Dow Series 2102 Pellethane TPE.

Should also be understood that exclusive right of the present invention is defined by the claims, and be not limited to these preferred embodiments.Can cooperate according to elastic body base of the present invention or sliding surface to be used for other rotational slide device, that is, for example, here as the various combinations of metallic sheath, clip and the support shell described in these patents that occur with reference to file; Non-rotary carriage; The interim carriage that is used for mobile furniture etc.; And, be used for cooperating the carriage that is installed on the primitive apparatus carriage as in U.S. Patent number 6324725 " FurnitureGlide ", describing.

Claims

1, a kind of furniture glide comprises a top and a bottom that forms smooth sliding surface that is used to hold furniture leg, it is characterized in that the bottom comprises elastomeric material.

2, furniture glide as claimed in claim 1, wherein elastomeric material is a polyurethane.

3, furniture glide as claimed in claim 1 or 2, wherein elastomeric material is thermoplastic.

4, furniture glide as claimed in claim 1 or 2, wherein elastomer has the Shore D hardness of 50-60 scope.

5, furniture glide as claimed in claim 2, wherein polyurethane is the pellethane TPUE.

6, furniture glide as claimed in claim 2, wherein polyurethane is polyester-type PCL resin.

7, furniture glide as claimed in claim 4, wherein elastomer has about 55 Shore D hardness.

8, be used for the carriage of furniture leg, comprise: a metallic sheath comprises a diapire, a upright cylinder side wall and a clamping device that is used to engage the furniture leg that holds in pod that extends and be formed for holding the pod of furniture leg from diapire; A carriage that connects metallic sheath is supported housing; And a glide base that is fixed on the support housing and forms the sliding surface of substantially flat, it is characterized in that wherein said sliding surface is an elastomer.

9, carriage as claimed in claim 8, wherein sliding surface is a polyurethane.

10, carriage as claimed in claim 8 or 9, wherein the carriage housing is basic frustoconical shape and comprises a following circular edge, glide base has the homogeneous composition, and for circular substantially, has the upright ring edge that is locked in the described circular edge down.

11, carriage as claimed in claim 8 or 9, wherein glide base has the body spare of a kind of material that is fixed to the carriage housing, and described sliding surface is the elastomeric material that a kind of and this body spare constitute one.

12, as each described carriage of claim 8-11, wherein elastomer has the Shore D hardness of 50-60 scope.

13, carriage as claimed in claim 9, wherein polyurethane is the thermoplastic polyurethane with about 55 Shore D hardness.

14, carriage as claimed in claim 10, wherein support housing rotatably to be pivotally attached to metallic sheath in the centrally-pivoted axle junction, and glide base has a newel at pivotally connected place, and this is pivotally connected to have one and make vertical force be delivered to described pivotally connected perpendicular supporting surface from the leg that holds by described metallic sheath.

15, a kind of furniture glide base with basic circular sliding surface of elastomeric material.

16, glide base as claimed in claim 15, wherein sliding surface is a polyurethane.

17, as claim 15 or 16 described glide bases, wherein elastomeric material has the Shore D hardness of 50-60 scope.

18, glide base as claimed in claim 16, wherein polyurethane is the thermoplastic polyurethane with about 55 Shore D hardness.

19, as each described glide base of claim 15-18, wherein pedestal has an annular edge of part that extends to one first height from circular sliding surface periphery obliquely, and one extends upwardly to a more newel of high altitude from the pedestal central vertical.

20, glide base as claimed in claim 19, wherein newel has a upper end that forms spherical.

21, glide base as claimed in claim 15, wherein pedestal has a peripheral upwardly extending annular edge of part from circular sliding surface.