US3065828A - Locking mechanism - Google Patents
Locking mechanism Download PDFInfo
- Publication number
- US3065828A US3065828A US768455A US76845558A US3065828A US 3065828 A US3065828 A US 3065828A US 768455 A US768455 A US 768455A US 76845558 A US76845558 A US 76845558A US 3065828 A US3065828 A US 3065828A
- Authority
- US
- United States
- Prior art keywords
- looking
- chair
- control member
- novel
- retaining element
- 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.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/02—Rocking chairs
- A47C3/03—Locking members
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/02—Rocking chairs
- A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
- A47C3/027—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with curved rocking members between seat and base frame
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20576—Elements
- Y10T74/20636—Detents
- Y10T74/20654—Gear
Definitions
- the present invention relates to a looking mechanism and more particularly to a looking mechanism which is adaptable for use in connection with a reclining chair having a fixed base and track.
- the applioant has provided a looking mechanism particularly adapted for use on a reolining chair which is operable by the linear movement of a control member.
- the linear movement of the control member actually effects unlocking by reason of a cammed portion thereon which permits the movement of a spring-urged pivotable looking member from its corresponding retaining element. Looking at the same or another position is simply acc omplished by releasing the control member towards its normal position, which in turn forces the pivotable looking member back into contact with the retaining element.
- a principal object of the present invention is to provide a novel looking mechanism particularly adaptable for use in connection with a reclining chair.
- Another object of the present invention is t o provide a looking mechanism for a reclining chair which is controlled by a linear movement from a normally locked position.
- a further and more general object of the present in vention is to provide a looking mechanism which is adaptable for use in conjunction with any movable member(s) so that the member(s) may be retained in any desired position with respect to each other.
- FIG. l is a fragmentary View in side elevation, partially broken away and in section, showing the novel locking mechanism forming the instant invention
- FIG. 2 is a view in horizontal section, taken at line 2--2 of FIG. 1 and looking in the direction of the arrows, showing the looking mechanism in a normally locked position;
- FIG. 3 is an enlarged fragmentary view, partly in section, showing details of the looking mechanism in the locked position of FIG. 2;
- FIG. 4 is another view of the looking mechanism of FIG. 3, With the looking mechanism in an unlocked position.
- the applioant's novel looking mechanism is disclosed in connection with a reolining chair 10 supported by a fixed base 11 which, in a typical embodiment, is formed from two substantially parallel runners lla.
- the runners lla are adapted to receive rails 12 forming a part of the upper or movable portion of the chair structure on tracks 1117 formed by the top surfaces thereof.
- the rails 12 are maintained in proper position with reference to the tracks 1117 on the runners illa by means of a plurality of coil springs 14 which attach to the runners and the rails 12 in a Well known manner.
- the conventional upper or seat portion of the chair disposed above the rails 12 includes a frame 16 which reoeives a seating surface 17, such as a cushion, for example, and which has a back portion 18 extending upwardly therefrom.
- the upper chair portion also includes armrests 19 which may be suitably afiixed to the frame 16.
- the runners llb forming a part of the fixed base 11 of the chair are maintained in spaced-apart relation by several connecting or cross members, which for reasons of clarity are not shown herein, but which include a cross member 20. Disposed above the cross member 20, but between the side members of the frame 16 forming a part of the upper portion of the chair, is another cross member 21. Cross members 20 and 21 serve to position the applicanfs novel looking mechanism which is to be discussed in detail herebelow.
- a mounting bracket 22 Extending rearwardly from cross member 29, i.e. towards the back of the chair, is a mounting bracket 22 which may be seoured thereto through conventional nut and bolt means (not shown). Pivotally supported on the mounting bracket 22 at 22 is a looking member 25 in the form of a ratchet bar having notches or serrated teeth disposed on one side edge thereof. The looking member 25 s continually urged toward the front of the chair through a conventional torsion spring 26, shown more particularly in FIG. l.
- a mounting bracket 23 similar in structure to the mounting bracket 22, extends from cross member 21 and may be secured thereto by conventional nut and bolt means 24.
- the mounting bracket 23 has a retaining element 30 in the form of a looking bar extendirg through the U-like end portion thereof which is a-dapted to cooperate with and be recived in one of the teeth or serrated portions disposed on the side edge of the looking member 25.
- the applicants novel looking mechanism includes a control member 32 having an end portion 3261 disposed through and supported by the mounting bracket 23, with the other end portion 3212 thereof, which is enlarged for ease of use, being supported by the framel of the upper portion of the chair.
- a cotter pin 33 is provided proximate the end portion 32a of the control member 32 to prevent the withdrawal thereof from its mounted position in the chair.
- the control member 32 has a oammed portion formed thereon which is defined by a uniform smaller diameter portion 320 which flares outwardly at 32d to the normal diameter of the shaft.
- the structure is arranged so that when the looking mechanism is in looking position, the flared portion 32d of the control member 32 engages the looking member 25 and forces the latter into engagement with the retaining element 30 (see FIG. 3). Conversely, when the control member 32 is in an unlocked position,
- the small diameter portion 320 thereof is adjacent the locking member 25 and, as the looking member '25 is springurged towards the front of the chair, the looking member 25 disengages itself from the retaining element 35) (see FIG. 4) and the upper portion of the chair may be moved With reference to the base 11 thereof.
- the control member 32 is spring-urged to a normal looking position by a coil spring means 35 which is seated between a side wall of the mounting bracket 23 and a disc 36 positioned on the control member 32 by ⁇ a cotter pin 38.
- a coil spring means 35 which is seated between a side wall of the mounting bracket 23 and a disc 36 positioned on the control member 32 by ⁇ a cotter pin 38.
- the applicant has provided a novel looking mechanism which may be simply and effectively released with a simple linear motion of a control member.
- the looking mechanism is arranged so that it is in a normally locked position and when the control member is released after use, the control member automatically assumes such locked position.
- the looking mechanism disclosed herein in connection with a typical reclining chair is equally adaptable for use in connection with any members which are positionable with respect to each other, as mentioned hereabove.
- the applicanfs novel looking mechanism is susceptible to various changes within the spirit of the invention.
- the placement of the mounting braokets and the broad dimensioning disclosed by the figures herein is arbitrary and equally effete results may be achieved through variations in such position and dimensions. T'hus, the above description should be considered illust'ative and not as limiting the scope of the following claim.
- a push-type looking meohansm for positionng a first member With reference to a second member comprising a bracket fixedly mounted on said first member, a looking member pivotally mounted on said second member, said braoket having a retaining element forming a portion thereof adapted to be selectively engaged by said looking member, said looking member being in the form of a bar having a serrated edge, spring means normally urging said serrated edge of said bar forming said looking Inember away from said retaining element of said bracket, a linearly movable control member having a camming portion thereon extending through said bracket, and spring means encircling a portion of said linearly movable control member normally urging said camming portion thereon into engagement with said looking member and the latter into looking engagement with said retaining element.
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Description
Nov. 27, 1962 D. F. CALDEMEYER 3,065,828
LOCKING MECHANISM Filed Oct. 20, 1958 United States Patent Ofilice &06532 Patented Nov. 27, 1962 3,o65,s2s LOCKING MECHANISM Daniel F. Caldemeyer, RR. 9, Jennngs Lane, Evansville, Ind. Filed Oct. 20, 1958, Ser. No. 768,455 1 Claim. (Ci. 188--69) The present invention relates to a looking mechanism and more particularly to a looking mechanism which is adaptable for use in connection with a reclining chair having a fixed base and track.
As is well known, much oonsideration has been directed to designing simple and effective looking mechanisms adaptable for use on the aforementioned type chair. Previously, looking mechanisms operable through rotary movement proved satisfactory but even more simplified and efiective struotures have been the object of continued development.
By virtue of the instant nvention, the applioant has provided a looking mechanism particularly adapted for use on a reolining chair which is operable by the linear movement of a control member. The linear movement of the control member actually effects unlocking by reason of a cammed portion thereon which permits the movement of a spring-urged pivotable looking member from its corresponding retaining element. Looking at the same or another position is simply acc omplished by releasing the control member towards its normal position, which in turn forces the pivotable looking member back into contact with the retaining element.
Moreover, it should be noted that although the applicanfs novel looking mechanism is disclosed herein in connection with a reolinng chair, it is highly adaptable for use on other structures, as where any movable' member(s) are positionable with respect to each other at the will of the user. Such alternate and additional uses of the applicant's novel looking mechanism will become more apparent from the description of the inventi on set forth herebelow.
A principal object of the present invention, therefore, is to provide a novel looking mechanism particularly adaptable for use in connection with a reclining chair.
Another object of the present invention is t o provide a looking mechanism for a reclining chair which is controlled by a linear movement from a normally locked position.
A further and more general object of the present in vention is to provide a looking mechanism which is adaptable for use in conjunction with any movable member(s) so that the member(s) may be retained in any desired position with respect to each other.
Other objects and a better understanding of the invention will become more apparent from the following description, taken in conjunction with the acoompanying drawing, in which FIG. l is a fragmentary View in side elevation, partially broken away and in section, showing the novel locking mechanism forming the instant invention;
FIG. 2 is a view in horizontal section, taken at line 2--2 of FIG. 1 and looking in the direction of the arrows, showing the looking mechanism in a normally locked position;
FIG. 3 is an enlarged fragmentary view, partly in section, showing details of the looking mechanism in the locked position of FIG. 2; and,
FIG. 4 is another view of the looking mechanism of FIG. 3, With the looking mechanism in an unlocked position.
'For the purposes of promoting an understanding of the principles of the invention, reference will now be made to the embodiment illustrated in the drawing and specific language will be used to describe the same. -It will nevertheless be understood that no limitation of the scope of the invention is thereby intended, such alterations and further modifications in the illustrated device, and such further applications ot the principles of the invention as illustrated therein being contemplated as would normally occur to one skilled in the art to which the invention relates.
Referring now to the figures, the applioant's novel looking mechanism is disclosed in connection with a reolining chair 10 supported by a fixed base 11 which, in a typical embodiment, is formed from two substantially parallel runners lla. The runners lla are adapted to receive rails 12 forming a part of the upper or movable portion of the chair structure on tracks 1117 formed by the top surfaces thereof. The rails 12 are maintained in proper position with reference to the tracks 1117 on the runners illa by means of a plurality of coil springs 14 which attach to the runners and the rails 12 in a Well known manner.
The conventional upper or seat portion of the chair disposed above the rails 12 includes a frame 16 which reoeives a seating surface 17, such as a cushion, for example, and which has a back portion 18 extending upwardly therefrom. The upper chair portion also includes armrests 19 which may be suitably afiixed to the frame 16.
The runners llb forming a part of the fixed base 11 of the chair are maintained in spaced-apart relation by several connecting or cross members, which for reasons of clarity are not shown herein, but which include a cross member 20. Disposed above the cross member 20, but between the side members of the frame 16 forming a part of the upper portion of the chair, is another cross member 21. Cross members 20 and 21 serve to position the applicanfs novel looking mechanism which is to be discussed in detail herebelow.
Extending rearwardly from cross member 29, i.e. towards the back of the chair, is a mounting bracket 22 which may be seoured thereto through conventional nut and bolt means (not shown). Pivotally supported on the mounting bracket 22 at 22 is a looking member 25 in the form of a ratchet bar having notches or serrated teeth disposed on one side edge thereof. The looking member 25 s continually urged toward the front of the chair through a conventional torsion spring 26, shown more particularly in FIG. l.
A mounting bracket 23, similar in structure to the mounting bracket 22, extends from cross member 21 and may be secured thereto by conventional nut and bolt means 24. The mounting bracket 23 has a retaining element 30 in the form of a looking bar extendirg through the U-like end portion thereof which is a-dapted to cooperate with and be recived in one of the teeth or serrated portions disposed on the side edge of the looking member 25.
The applicants novel looking mechanism includes a control member 32 having an end portion 3261 disposed through and supported by the mounting bracket 23, with the other end portion 3212 thereof, which is enlarged for ease of use, being supported by the framel of the upper portion of the chair. A cotter pin 33 is provided proximate the end portion 32a of the control member 32 to prevent the withdrawal thereof from its mounted position in the chair. The control member 32 has a oammed portion formed thereon which is defined by a uniform smaller diameter portion 320 which flares outwardly at 32d to the normal diameter of the shaft. The structure is arranged so that when the looking mechanism is in looking position, the flared portion 32d of the control member 32 engages the looking member 25 and forces the latter into engagement with the retaining element 30 (see FIG. 3). Conversely, when the control member 32 is in an unlocked position,
the small diameter portion 320 thereof is adjacent the locking member 25 and, as the looking member '25 is springurged towards the front of the chair, the looking member 25 disengages itself from the retaining element 35) (see FIG. 4) and the upper portion of the chair may be moved With reference to the base 11 thereof.
The control member 32 is spring-urged to a normal looking position by a coil spring means 35 which is seated between a side wall of the mounting bracket 23 and a disc 36 positioned on the control member 32 by `a cotter pin 38. Thus, to unlook the chair, the control member 32 is pushed inwardly through a linear movement, and when the user releases the control member 32, a locked position is automatically assumed.
From the preceding it should be apparent that the applicant has provided a novel looking mechanism which may be simply and effectively released with a simple linear motion of a control member. The looking mechanism is arranged so that it is in a normally locked position and when the control member is released after use, the control member automatically assumes such locked position. It should be further apparent that the looking mechanism disclosed herein in connection with a typical reclining chair is equally adaptable for use in connection with any members which are positionable with respect to each other, as mentioned hereabove.
Moreover, the applicanfs novel looking mechanism is susceptible to various changes within the spirit of the invention. For example, the placement of the mounting braokets and the broad dimensioning disclosed by the figures herein is arbitrary and equally efective results may be achieved through variations in such position and dimensions. T'hus, the above description should be considered illust'ative and not as limiting the scope of the following claim.
I claim:
A push-type looking meohansm for positionng a first member With reference to a second member comprising a bracket fixedly mounted on said first member, a looking member pivotally mounted on said second member, said braoket having a retaining element forming a portion thereof adapted to be selectively engaged by said looking member, said looking member being in the form of a bar having a serrated edge, spring means normally urging said serrated edge of said bar forming said looking Inember away from said retaining element of said bracket, a linearly movable control member having a camming portion thereon extending through said bracket, and spring means encircling a portion of said linearly movable control member normally urging said camming portion thereon into engagement with said looking member and the latter into looking engagement with said retaining element.
References Cte in the le of this patent UNITED STATES PATENTS 1,252,238 Clark Jan. 1, 1918 1,279,353 Kelly et al Sept. 17, 1918 1,654-,321 Collins Dec. 27, 1927 1,672,128 Klausmeyer et al June 5, 1928 1,826,906 Townsend Oct. 13, 1931 2,005,227 Johnson June 18, 1935 2,119,638 Klampferer June 7, 1938 2,161,661 Arens June 6, 1939 2,477,865 Du Charme Aug. 2, 1949 2,580,165 Fox Dec. 25, 1951 2,606,594 Caldemeyer Aug. 12, 1952 2,797,737 Burton July 2, 1957 2,826,286 Boyce Mar. 11, 1958 2,860,731 Hause Nov. 18, 1958 FOREIGN PATENTS 207365 Canada Jan. 11, 1921
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US768455A US3065828A (en) | 1958-10-20 | 1958-10-20 | Locking mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US768455A US3065828A (en) | 1958-10-20 | 1958-10-20 | Locking mechanism |
Publications (1)
Publication Number | Publication Date |
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US3065828A true US3065828A (en) | 1962-11-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US768455A Expired - Lifetime US3065828A (en) | 1958-10-20 | 1958-10-20 | Locking mechanism |
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US (1) | US3065828A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3163464A (en) * | 1963-08-19 | 1964-12-29 | Dual Mfg & Eng | Mechanism for recliner-rocker type of chair |
US3371958A (en) * | 1965-08-10 | 1968-03-05 | Nat Furniture Mfg Co Inc | Combination reclining and rocking chair |
US3434755A (en) * | 1967-03-10 | 1969-03-25 | Daniel F Caldemeyer | Combination reclining and rocking chair |
US4225178A (en) * | 1978-05-26 | 1980-09-30 | Juichiro Takada | Vehicle seat |
US4555085A (en) * | 1981-11-17 | 1985-11-26 | Fritz Bauer | Lockable tilting apparatus for chair seats |
US4566667A (en) * | 1983-09-06 | 1986-01-28 | Tachikawa Spring Co., Ltd. | Seat suspension |
US4893871A (en) * | 1988-12-12 | 1990-01-16 | Hickory Springs Manufacturing Co. | Swivel rocker stop assembly |
WO1990011707A1 (en) * | 1989-04-03 | 1990-10-18 | Krueger International, Inc. | Ergonomic chair |
US20050184490A1 (en) * | 2004-02-19 | 2005-08-25 | Takata Corporation | Occupant protection system |
US20070096522A1 (en) * | 2005-10-31 | 2007-05-03 | Sylvain Bergeron | Locking device for a rocking chair |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1252238A (en) * | 1917-03-12 | 1918-01-01 | Walter I Clark | Brake-locking attachment for ford automobiles. |
US1279353A (en) * | 1917-07-18 | 1918-09-17 | George F Kelly | Window-lock. |
CA207365A (en) * | 1921-01-11 | N. Fuller Hurvy | Clutch pedal lock | |
US1654321A (en) * | 1926-07-13 | 1927-12-27 | Charles W Collins | Combined power and foot operated vehicle brake |
US1672128A (en) * | 1925-03-31 | 1928-06-05 | David C Klausmeyer | Upright-drill depth gauge |
US1826906A (en) * | 1928-02-18 | 1931-10-13 | George H Townsend | Accelerator |
US2005227A (en) * | 1932-11-25 | 1935-06-18 | James P Johnson | Variable speed transmission |
US2119638A (en) * | 1936-03-17 | 1938-06-07 | Godfried F Klampferer | Parking brake |
US2161661A (en) * | 1936-07-17 | 1939-06-06 | Charles A Arens | Holding or locking device |
US2477865A (en) * | 1946-07-18 | 1949-08-02 | Charme Harold Du | Brake controlled throttle lock |
US2580165A (en) * | 1950-06-14 | 1951-12-25 | Seng Co | Locking device for platform rockers |
US2606594A (en) * | 1947-10-17 | 1952-08-12 | Daniel F Caldemeyer | Combination reclining and rocking chair having a fixed base and track |
US2797737A (en) * | 1954-04-08 | 1957-07-02 | Johnson Hinge Co Inc | Lock for platform rockers |
US2826286A (en) * | 1953-07-20 | 1958-03-11 | Boyce Frank | Safety locking device for a punch press or the like |
US2860731A (en) * | 1956-08-02 | 1958-11-18 | Gen Motors Corp | Positive parking brake |
-
1958
- 1958-10-20 US US768455A patent/US3065828A/en not_active Expired - Lifetime
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA207365A (en) * | 1921-01-11 | N. Fuller Hurvy | Clutch pedal lock | |
US1252238A (en) * | 1917-03-12 | 1918-01-01 | Walter I Clark | Brake-locking attachment for ford automobiles. |
US1279353A (en) * | 1917-07-18 | 1918-09-17 | George F Kelly | Window-lock. |
US1672128A (en) * | 1925-03-31 | 1928-06-05 | David C Klausmeyer | Upright-drill depth gauge |
US1654321A (en) * | 1926-07-13 | 1927-12-27 | Charles W Collins | Combined power and foot operated vehicle brake |
US1826906A (en) * | 1928-02-18 | 1931-10-13 | George H Townsend | Accelerator |
US2005227A (en) * | 1932-11-25 | 1935-06-18 | James P Johnson | Variable speed transmission |
US2119638A (en) * | 1936-03-17 | 1938-06-07 | Godfried F Klampferer | Parking brake |
US2161661A (en) * | 1936-07-17 | 1939-06-06 | Charles A Arens | Holding or locking device |
US2477865A (en) * | 1946-07-18 | 1949-08-02 | Charme Harold Du | Brake controlled throttle lock |
US2606594A (en) * | 1947-10-17 | 1952-08-12 | Daniel F Caldemeyer | Combination reclining and rocking chair having a fixed base and track |
US2580165A (en) * | 1950-06-14 | 1951-12-25 | Seng Co | Locking device for platform rockers |
US2826286A (en) * | 1953-07-20 | 1958-03-11 | Boyce Frank | Safety locking device for a punch press or the like |
US2797737A (en) * | 1954-04-08 | 1957-07-02 | Johnson Hinge Co Inc | Lock for platform rockers |
US2860731A (en) * | 1956-08-02 | 1958-11-18 | Gen Motors Corp | Positive parking brake |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3163464A (en) * | 1963-08-19 | 1964-12-29 | Dual Mfg & Eng | Mechanism for recliner-rocker type of chair |
US3371958A (en) * | 1965-08-10 | 1968-03-05 | Nat Furniture Mfg Co Inc | Combination reclining and rocking chair |
US3434755A (en) * | 1967-03-10 | 1969-03-25 | Daniel F Caldemeyer | Combination reclining and rocking chair |
US4225178A (en) * | 1978-05-26 | 1980-09-30 | Juichiro Takada | Vehicle seat |
US4555085A (en) * | 1981-11-17 | 1985-11-26 | Fritz Bauer | Lockable tilting apparatus for chair seats |
US4566667A (en) * | 1983-09-06 | 1986-01-28 | Tachikawa Spring Co., Ltd. | Seat suspension |
US4893871A (en) * | 1988-12-12 | 1990-01-16 | Hickory Springs Manufacturing Co. | Swivel rocker stop assembly |
WO1990011707A1 (en) * | 1989-04-03 | 1990-10-18 | Krueger International, Inc. | Ergonomic chair |
US5035466A (en) * | 1989-04-03 | 1991-07-30 | Krueger International, Inc. | Ergonomic chair |
US20050184490A1 (en) * | 2004-02-19 | 2005-08-25 | Takata Corporation | Occupant protection system |
US20070096522A1 (en) * | 2005-10-31 | 2007-05-03 | Sylvain Bergeron | Locking device for a rocking chair |
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