GB2189383A - Vertebra or backing strip for a windscreen wiper blade rubber - Google Patents
Vertebra or backing strip for a windscreen wiper blade rubber Download PDFInfo
- Publication number
- GB2189383A GB2189383A GB08707960A GB8707960A GB2189383A GB 2189383 A GB2189383 A GB 2189383A GB 08707960 A GB08707960 A GB 08707960A GB 8707960 A GB8707960 A GB 8707960A GB 2189383 A GB2189383 A GB 2189383A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vertebra
- backing strip
- channel
- blade
- blade rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 57
- 239000005060 rubber Substances 0.000 title claims abstract description 57
- 239000004033 plastic Substances 0.000 claims abstract description 16
- 229920003023 plastic Polymers 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 230000000295 complement effect Effects 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S1/3801—Wiper blades characterised by a blade support harness consisting of several articulated elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S2001/3812—Means of supporting or holding the squeegee or blade rubber
- B60S2001/3817—Means of supporting or holding the squeegee or blade rubber chacterised by a backing strip to aid mounting of squeegee in support
- B60S2001/3818—Means of supporting or holding the squeegee or blade rubber chacterised by a backing strip to aid mounting of squeegee in support the backing strip being a channel-like element, e.g. not continuous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S2001/3812—Means of supporting or holding the squeegee or blade rubber
- B60S2001/3824—Means of supporting or holding the squeegee or blade rubber the blade or squeegee pivoting about an axis parallel to blade longitudinal axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S2001/3827—Wiper blades characterised by the squeegee or blade rubber or wiping element
- B60S2001/3836—Wiper blades characterised by the squeegee or blade rubber or wiping element characterised by cross-sectional shape
- B60S2001/3837—Wiper blades characterised by the squeegee or blade rubber or wiping element characterised by cross-sectional shape with more than one wiping edge or lip
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Surgical Instruments (AREA)
Abstract
A vertebra or a backing strip (1, 31) for a windscreen wiper blade rubber (3, 4, 41) comprises an elongate body of plastics material having a longitudinal channel (11, 12, 32) for receiving a blade rubber (3, 4, 41) and facing in a first direction and a longitudinal channel (10, 33, 34) for attachment of a blade harness (2, 37) facing in a second and opposite direction. The backing strip may be formed by extrusion or moulding, and may be used without modification in two types of wiper blade, one with a single blade rubber and the other with twin blade rubbers. <IMAGE>
Description
SPECIFICATION
Vertebra or Backing Strip for a Windscreen Wiper
Blade Rubber
This invention relates to a vertebra or backing strip for a windscreen wiper blade rubber.
It has for some time been appreciated that the production of vertebrae or backing strips from plastics material is highly desirable from the point of view of reducing costs and a number of differing designs have been proposed.
The present invention seeks to provide a vertebra or backing strip which can be made from plastics material and is suitable, in preferred forms, for production by plastics extrusion methods.
According to a first aspect of the invention, a vertebra or a backing strip for a windscreen wiper blade rubber comprises an elongate body of plastics material having a longitudinal channel for receiving a blade rubber and facing in a first direction and longitudinal attachment means for attachment of the blade harness and facing in a second and opposite direction.
Preferably the longitudinal attachment means comprises one or more longitudinal channels. An additional longitudinal channel may be provided, extending parallel to the blade rubber receiving channel for receiving a second blade rubber.
According to a second aspect of the invention a vertebra or a backing strip for a windscreen wiper blade rubber comprises an elongate body of plastics material having a first longitudinal channel facing in a first direction and second and third longitudinal channels facing in a second and opposite direction, the channel facing in the first direction or the channels facing in the second direction being usable to receive an end termination or terminations of a yoke or lever of the blade harness and a blade rubber or rubbers respectively or vice versa so that the vertebra or backing strip is reversible and can be used to form a twin lip blade with single harness fixing or a single lip blade with dual harness fixing.
According to a third aspect of the invention, a windscreen wiper blade comprises a harness for connecting a blade rubber and/or a vertebra or backing strip therefor to a windscreen wiper arm, an elongate vertebra or backing strip of plastics material including means for attachment to the harness and at least one longitudinal undercut channel of circular section and at least one blade rubber having a circular section head part of complementary dimensions to the channel for insertion in the channel, a longitudinal lip part for engagement with a windscreen to be wiped and a neck part connecting the head and lip parts of smaller dimensions than the opening in the channel whereby the blade rubber is pivotable about the centre line of the channel over an arc dependent on the relative widths of the channel opening and blade rubber neck part.
According to a fourth aspect of the invention, a windscreen wiper blade comprises a harness for connecting a blade rubber and/or a vertebra or backing strip therefor to a windscreen wiper arm, an elongate vertebra or backing strip of plastics
material connected to the harness and a blade
rubber connected to the vertebra or backing strip, wherein the harness includes one or more yokes or
levers engageable with the vertebra or backing strip, the vertebra or backing strip having at least one
longitudinal undercut channel therein and the ends
of the yokes or levers in engagement with the vertebra or backing strip having at least one cooperating part which fits in the channel(s).
The cooperating part(s) of the yokes or levers and the arrangement of the undercut channel may be such that the said cooperating parts and the channel are a snap fit together.
The invention will now be described in greater detail, by way of example, with reference to the drawings, in which:~
Figure 1 is a perspective view of one end of a windscreen wiper blade incorporating one form of vertebra or backing strip according to the invention in a first orientation;
Figure 2 is a sectional view taken on the line Il-Il of figure 1;
Figure 3 is a view similar to figure 1 but showing the vertebra or backing strip in a second orientation;
Figure 4 is a sectional view taken on the line lV-lV of figure 3, and
Figures 5 and 6 are fragmentary views of parts shown in figure 2 to an enlarged scale.
Referring firstly to figure 1, there is shown one end of a windscreen wiper blade comprising a vertebra or backing strip 1 which is connected at its upper partto the end 5 of a secondary yoke 2. At its underside the vertebra or backing strip 1 carries two blade rubbers 3 and 4. The vertebra or backing strip 1 is closed at its end by means of an end cap 6.
Figure 2 shows a cross section of the end part of the blade taken on the line Il-Il of figure 1. From this it will be seen that the vertebra or backing strip 1 comprises a plastics extrusion having three longitudinal channels 10, 11 and 12 which are all circular in section so as to form undercut channels.
The largest 10 of the channels faces upwards (as shown in the drawings) and is adapted to receive a projection 14 of circular cross section from the end 5 of the secondary yoke 2 so as to connect the yoke 2 to the vertebra or backing strip 1. Preferably, the projection 14 is spherical to permit a certain amount of pivotal movement between the yoke and vertebra but may, if desired, be cylindrical. The connection may either be produced by sliding the projection along from one end or it may be a snap in connection.
The channels 11 and 12, on the other hand, are provided with the pair of blade rubbers 3 and 4. By the term "blade rubber", used throughout this specification and claims, is to be understood an elongate member made of rubber, synthetic rubber or other suitable plastics materials. The "blade rubbers" of windscreen wipers have traditionally been made of rubber, which is how they got their name. However, in modern times, so called "blade rubbers" may also be made from synthetic rubber or other suitable plastics materials.
Each blade rubber 3 and 4 has a circular section head part 17 of complementary dimensions to the channel 11 or 12 for insertion in the channel, a longitudinal lip part 19 for engagement with a windscreen to be wiped (not shown) and a neck part 20 connecting the head part 17 and the lip part 19 together. The neck part 20 is of smaller dimensions than the opening 24 in the channel 11 or 12 whereby the blade rubber is pivotable about the centre line of the channel over an arc dependent on the relative widths of the channel opening 24 and blade rubber neck 20 part as will be explained hereafter with reference to figure 6.
Referring now to figures 3 and 4, it will be seen that the vertebra or backing strip 31 shown here is identical to that shown at 1 in figures 1 and 2 but that it has been reversed and now has its single channel 32 facing downwards and its pair of channels 33 and 34 facing upwards. In this orientation of the vertebra or backing strip, it is used to provide a blade with a single blade rubber but with a dual attachment of the associated secondary yoke 37.
The two channels 33 and 34 each receive a circular cross section projection 35 from the end 36 of the secondary yoke 37 so as to provide a connection between the secondary yoke 37 and the vertebra or backing strip 31. As in the previous orientation, this connection may either be produced by sliding the projection along from one end or it may be a snap in connection. Also, the projections 35 may, in fact, be either spherical or cylindrical as desired.
The single channel 32, in this embodiment, is provided with a single blade rubber 39. As with the blade rubbers 3 and 4, the blade rubber 39 has a circular section head part 40 of complementary dimensions to the channel 32 for insertion in the channel, a longitudinal lip part 41 for engagement with a windscreen to be wiped (not shown) and a neck part 42 connecting the head part 40 and the lip part 41 together. The neck part 42 is of smaller dimensions than the opening 44 in the channel 32 whereby the blade rubber is pivotable about the centre line of the channel 32.
From the above described embodiment, it will be clearly seen that the vertebra or backing strip shown can be used without modification in two types of blade, one with a single blade rubber and the other with twin blade rubbers.
The construction provided allows control of the blade layover as will be seen in figures 5 and 6.
These figures show enlarged fragments of figure 2 but it will be appreciated that, to some extent, the remarks also apply to the orientation shown in figure 4.
Referring to figure 5, there is shown the connection between the vertebra or backing strip 1 and the secondary yoke 2. As can be clearly seen from this figure, the radius of the projection 14 is slightly smaller than the radius of the channel 10 to provide ease of pivotal movement between the vertebra or backing strip 1 and the secondary yoke 2 about the centre line q) of the channel. It will also be seen that the amount of pivotal movement available will depend on the difference between the mouth opening angle a of the channel 10 and the neck angle ss of the neck part 16 between the projection 14 and the yoke 2. Thus the pivot angle p=a-(3.
In figure 6, the connection between the vertebra or backing strip 1 and the blade rubbers 3 or 4 is shown. As can also be seen here, the radius of the head part 17 of the blade rubber 3 or 4 is slightly less than the radius of the channel 11 or 12 to enable the blade rubber 3 or 4 to pivot in the channel 11 or 12 about the centre line q, of the channel. It will also be observed that the amount of pivotal movement available will depend on the difference between the mouth opening angle and the neck angle y of the neck part 20. In this case, the pivot angle p=(p-y.
A very similar situation exists with the blade rubber 39 in the second orientation shown in figures 3 and 4. However, the connection between the vertebra or backing strip 31 and the yoke 37 will not pivot because of the dual connection.
It will be appreciated that various modifications may be made to the above described embodiment without departing from the scope of the invention.
For example, while a vertebra or backing strip with three channels has been described, it is possible to have a vertebra or backing strip with four channels, two on each side, or with two channels, one on each side. The end cap 6 may be of any suitable alternative form. However, other means could be provided for securing the blade rubbers and the yoke ends in the vertebra or backing strip, such means could include various types of end or side mounted clip. Further, while the embodiment shown is particularly suitable for production by extrusion, the vertebra or backing strip could equally well be moulded if desired. In this latter case the moulding could incorporate end stops for the yoke ends and clip receiving arrangements for the blade rubbers.
Claims (1)
1. A vertebra or a backing strip for a windscreen wiper blade rubber comprising an elongate body of plastics material having a longitudinal channel for receiving a blade rubber and facing in a first direction and longitudinal attachment means for attachment of the blade harness and facing;in a second and opposite direction.
2. A vertebra or backing strip as claimed in claim 1, wherein the longitudinal attachment means comprises one or more longitudinal channels.
3. A vertebra or backing strip as claimed in claim 1 or 2, wherein an additional longitudinal channel is provided, extending parallel to the blade rubber receiving channel for receiving a second blade rubber.
4. A vertebra or a backing strip for a windscreen wiper blade rubber comprising an elongate body of plastics material having a first longitudinal channel facing in a first direction and second and third longitudinal channels facing in a second and opposite direction, the channel facing in the first direction or the channels facing in the second direction being usable to receive an end termination orterminations of a yoke or lever of the blade harness and a blade rubber or rubbers respectively or vice versa so that the vertebra or backing strip is reversible and can be used to form a twin lip blade with single harness fixing or a single lip blade with dual harness fixing.
6. A vertebra or backing strip as claimed in any one of claims 2 to 4, wherein at least one of the channels is of circular cross section.
7. A vertebra or backing strip as claimed in any one of claims 1 to 6, wherein the vertebra or backing strip is a plastics extrusion.
8. A vertebra or backing strip as claimed in any one of claims 1 to 7, wherein the channel or channels of the vertebra or backing strip are closed at each end by means of a closure plug.
9. A windscreen wiper blade comprising a harness for connecting a blade rubber and/or a vertebra or backing strip therefor to a windscreen wiper arm, an elongate vertebra or backing strip of plastics material including means for attachment to the harness and at least one longitudinal undercut channel of circular section and at least one blade rubber having a circular section head part of complementary dimensions to the channel for insertion in the channel, a longitudinal lip part for engagement with a windscreen to be wiped and a neck part connecting the head and lip parts and of smaller dimensions than the opening in the channel whereby the blade rubber is pivotable about the centre line of the channel over an arc dependent on the relative widths of the channel opening and blade rubber neck part.
10. A windscreen wiper blade comprising a harness for connecting a blade rubber and/or a vertebra or backing strip therefor to a windscreen wiper arm, an elongate vertebra or backing strip of plastics material connected to the harness and a blade rubber connected to the vertebra or backing strip, wherein the harness includes one or more yokes or levers engageable with the vertebra or backing strip, the vertebra or backing strip having at least one longitlidinal undercut channel therein and the ends of the yokes or levers in engagement with the vertebra or backing strip having at least one cooperating part which sits in the channel(s).
11. A windscreen wiper blade as claimed in claim 10, wherein the cooperating part(s) of the yokes or levers and the arrangement of the undercut channel are such that the said cooperating parts and the channel are a snap fit together.
12. A windscreen wiper blade as claimed in claim 9,10 or 1 wherein the vertebra or backing strip has a longitudinal undercut channel of circular section for engagement with an end of a yoke or lever, the yoke or lever having a projection of a circular cross section complementary to the cross section of the channel in the vertebra or backing strip, the projection being connected to the yoke or lever by a neck portion of smaller dimensions than the opening of the channel whereby the vertebra or backing strip is pivotable relatively to the yoke or lever about the centre line of the channel over an arc dependent on the relative widths of the channel opening and the neck portion of the yoke or lever.
13. A vertebra or backing strip for a windscreen wiper blade rubber substantially as described herein with reference to the drawings.
14. A windscreen wiper blade substantially as described herein with reference to the drawings.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB868608281A GB8608281D0 (en) | 1986-04-04 | 1986-04-04 | Vertebra |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8707960D0 GB8707960D0 (en) | 1987-05-07 |
| GB2189383A true GB2189383A (en) | 1987-10-28 |
| GB2189383B GB2189383B (en) | 1989-11-29 |
Family
ID=10595701
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB868608281A Pending GB8608281D0 (en) | 1986-04-04 | 1986-04-04 | Vertebra |
| GB8707960A Expired GB2189383B (en) | 1986-04-04 | 1987-04-03 | Vertebra or backing strip for a windscreen wiper blade rubber |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB868608281A Pending GB8608281D0 (en) | 1986-04-04 | 1986-04-04 | Vertebra |
Country Status (1)
| Country | Link |
|---|---|
| GB (2) | GB8608281D0 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5208939A (en) * | 1990-01-19 | 1993-05-11 | Valeo Systemes D'essuyage | Windshield wiper blade and a wiping strip with stiffening element therefor |
| US5339490A (en) * | 1990-03-06 | 1994-08-23 | China Wiper Special Rubber Co., Ltd. | Dual wiper blade assembly |
| FR2705632A1 (en) * | 1993-05-25 | 1994-12-02 | Renault | Wiper blade. |
| GB2281853A (en) * | 1993-07-19 | 1995-03-22 | Wen Cayan Lai | Windscreen wiper blade |
| FR2732290A1 (en) * | 1995-03-31 | 1996-10-04 | Valeo Systemes Dessuyage | Vehicle windscreen wiper blade |
| US5644814A (en) * | 1996-04-18 | 1997-07-08 | New-View Windshield Wiper L.P. | Articulated windshield wiper blade assembly |
| WO1997038879A1 (en) * | 1996-04-18 | 1997-10-23 | New-View Windshield Wiper, L.P. | Articulated windshield wiper blade assembly |
| US5742974A (en) * | 1996-04-18 | 1998-04-28 | New-View Windshield Wiper, L.P. | Articulated windshield wiper blade assembly |
| GB2321844A (en) * | 1996-09-02 | 1998-08-12 | Trico Products Corp | Articulated joints for windscreen wipers |
| US5797160A (en) * | 1996-04-18 | 1998-08-25 | New-View Windshield Wiper, L.P. | Articulated windshield wiper blade assembly |
| US5956801A (en) * | 1997-08-06 | 1999-09-28 | New-View Windshield Wiper L.P. | Articulated windshield wiper blade assembly and refill kit |
| CN115253764A (en) * | 2022-02-18 | 2022-11-01 | 董令玉 | Stirring device for direct expansion evaporator of ice cream or yogurt machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD393619S (en) | 1997-01-10 | 1998-04-21 | New-View Windshield Wiper, L.P. | Articulated windshield wiper blade assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1452836A (en) * | 1973-02-01 | 1976-10-20 | Anderson Co | Windshield wipers |
| GB1452835A (en) * | 1973-02-01 | 1976-10-20 | Anderson Co | Windshield wiper assembly |
| GB1484217A (en) * | 1975-03-25 | 1977-09-01 | Anderson Co | Windshield wiper blade assemblies |
| US4457041A (en) * | 1982-08-13 | 1984-07-03 | Tridon Limited | Retaining systems for squeegee assemblies in windshield |
| US4543682A (en) * | 1983-05-20 | 1985-10-01 | Robert Bosch Gmbh | Windshield wiper device for motor vehicles |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE29392E (en) * | 1973-02-01 | 1977-09-13 | The Anderson Company | Windshield wiper blade structure |
-
1986
- 1986-04-04 GB GB868608281A patent/GB8608281D0/en active Pending
-
1987
- 1987-04-03 GB GB8707960A patent/GB2189383B/en not_active Expired
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1452836A (en) * | 1973-02-01 | 1976-10-20 | Anderson Co | Windshield wipers |
| GB1452835A (en) * | 1973-02-01 | 1976-10-20 | Anderson Co | Windshield wiper assembly |
| GB1484217A (en) * | 1975-03-25 | 1977-09-01 | Anderson Co | Windshield wiper blade assemblies |
| US4457041A (en) * | 1982-08-13 | 1984-07-03 | Tridon Limited | Retaining systems for squeegee assemblies in windshield |
| US4543682A (en) * | 1983-05-20 | 1985-10-01 | Robert Bosch Gmbh | Windshield wiper device for motor vehicles |
Non-Patent Citations (1)
| Title |
|---|
| US RE-ISSUE 29392 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5208939A (en) * | 1990-01-19 | 1993-05-11 | Valeo Systemes D'essuyage | Windshield wiper blade and a wiping strip with stiffening element therefor |
| US5339490A (en) * | 1990-03-06 | 1994-08-23 | China Wiper Special Rubber Co., Ltd. | Dual wiper blade assembly |
| FR2705632A1 (en) * | 1993-05-25 | 1994-12-02 | Renault | Wiper blade. |
| GB2281853A (en) * | 1993-07-19 | 1995-03-22 | Wen Cayan Lai | Windscreen wiper blade |
| FR2732290A1 (en) * | 1995-03-31 | 1996-10-04 | Valeo Systemes Dessuyage | Vehicle windscreen wiper blade |
| WO1997038879A1 (en) * | 1996-04-18 | 1997-10-23 | New-View Windshield Wiper, L.P. | Articulated windshield wiper blade assembly |
| US5644814A (en) * | 1996-04-18 | 1997-07-08 | New-View Windshield Wiper L.P. | Articulated windshield wiper blade assembly |
| US5742974A (en) * | 1996-04-18 | 1998-04-28 | New-View Windshield Wiper, L.P. | Articulated windshield wiper blade assembly |
| US5797160A (en) * | 1996-04-18 | 1998-08-25 | New-View Windshield Wiper, L.P. | Articulated windshield wiper blade assembly |
| GB2321844A (en) * | 1996-09-02 | 1998-08-12 | Trico Products Corp | Articulated joints for windscreen wipers |
| GB2321844B (en) * | 1996-09-02 | 2000-06-14 | Trico Products Corp | Improvements relating to articulated joints |
| US5956801A (en) * | 1997-08-06 | 1999-09-28 | New-View Windshield Wiper L.P. | Articulated windshield wiper blade assembly and refill kit |
| WO1999020500A1 (en) * | 1997-10-22 | 1999-04-29 | New-View Windshield Wiper, L.P. | Articulated windshield wiper blade assembly |
| CN115253764A (en) * | 2022-02-18 | 2022-11-01 | 董令玉 | Stirring device for direct expansion evaporator of ice cream or yogurt machine |
| US20230263185A1 (en) * | 2022-02-18 | 2023-08-24 | Lingyu Dong | Stirring Apparatus for Direct Expansion Evaporator of Ice Cream or Yogurt Machine |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8707960D0 (en) | 1987-05-07 |
| GB2189383B (en) | 1989-11-29 |
| GB8608281D0 (en) | 1986-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950403 |