US2805427A - Crib having means for providing a reciprocating, longitudinal motion thereto - Google Patents

Crib having means for providing a reciprocating, longitudinal motion thereto Download PDF

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Publication number
US2805427A
US2805427A US417813A US41781354A US2805427A US 2805427 A US2805427 A US 2805427A US 417813 A US417813 A US 417813A US 41781354 A US41781354 A US 41781354A US 2805427 A US2805427 A US 2805427A
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crib
reciprocating
providing
longitudinal motion
eccentric
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US417813A
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Edgmon Henry Lee
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Edgmon Henry Lee
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47DFURNITURE SPECIALLY ADAPTED FOR CHILDREN
    • A47D9/00Small beds for newborns or infants, e.g. bassinets or cradles
    • A47D9/02Small beds for newborns or infants, e.g. bassinets or cradles with rocking mechanisms

Description

H. 1.. EDGMON 2,805,427 CRIB HAVING MEANS FOR PROVIDING Sept 10, 1957 A RECIPROCATING, LONGITUDINAL MOTION THERETO 2 Sheets-Sheet 1 Filed March 22, 1954 v F Um TM M 5 Q .T N L T W fl w E Sept 10, 1957 H. L. EDGMON 2,805,427
CRIB HAVING MEANS FOR PROVIDING A RECIPROCATING, LONGITUDINAL MOTION THERETO Filed March 22, 1954 2 Sheets-Sheet 2 //\/4/E/\/7Ui-F HENRY LEE: EDGMOH United States Patent CRIB HAVING MEANS FOR PROVIDING A RECIP- ROCATING, LONGITUDINAL MOTION THERETO Henry Lee Edgmon, Lebanon, Greg.
Application March 22, 1954, Serial No. 417,813
1 Claim. (Cl. 109) This invention relates generally to cribs for caring for infants and particularly to a crib having means for providing a reciprocating, longitudinal motion thereto.
The main object of this invention is to provide a crib with a limited longitudinal reciprocating movement, as well as a variable number of reciprocations per minute.
The second object is to produce a form of crib construction which will be inexpensive to manufacture and in which the crib and supporting base are easily separated to give access to the working parts and in which the resulting movement is made noiseless and with low power requirement.
I accomplish these and other objects in the manner set forth in the following specification as illustrated in the accompanying drawings, in which:
Fig. 1 is a perspective view of the crib.
Fig. 2 is a perspective view of the supporting base with portions broken away in section to show the construction as well as the motor and speed reducer.
Fig. 3 is a section taken along the line 3-3 in Fig. 6.
Fig. 4 is a plan of the speed reducer showing the eccentrics relation to the Scotch yoke shown in Fig. 5.
Fig. 5 is a perspective view of the crib portion viewed from the under side.
Fig. 6 is an enlarged section taken along the line 66 in Fig. 1.
Fig. 7 is a section taken along the line 77 in Fig. 6.
Fig. 8 is a fragmentary view of a modified form of track for providing an undulating motion.
Referring to the drawings, the device is composed of two separable parts-a base 10 and a crib 11. The base 10 is comprised of a pair of floor engaging ends 12 between which is a shelf 13, and the portion of the ends 12 above the shelf 13 is closed by the two apron members 14. On the shelf 13 is mounted an electric motor 15 whose cord 16 passes through the shelf 13 to a connector plug 17. On the shelf 13 is also a speed-reducing element 18 which is driven by the motor 15 through a belt 19. The speed reducer 18 is of the type which makes possible the selection of any one of a variety of speeds.
The power take-off of the reducer 18 terminates in an eccentric 20. The eccentric 20 has mounted thereon a slide block 21, which is slidable between the liners 22 of the Scotch yoke 23. The members of the yoke 23 are secured to the plate 24, which is fastened to the under side of the crib bottom 25 by means of screws 26. On each side of the eccentric 20 is secured a flange disk 27, which disks are secured to the eccentric 20 by means of screws 28.
Near the upper edge of each apron 14 is mounted a transverse shaft 29 in supports 30 secured to the aprons 14. On each end of each shaft 29 is a roller 31, preferably of the anti-friction type.
The crib section 11 is comprised of the bottom 25, to which are secured the short tracks 32 which ride on the rollers 31. To the bottom 25 are also secured the rollers 33 which engage the short tracks 34 secured to the inner sides of the aprons 14.
The usual vertical spindles 35 and corner posts 36,
joined by the top rail 37 and bottom rail 38 are also provided.
It can be seen that the section 11 can float horizontally on the rollers 31 and be held against lateral movement by the rollers 33. Since the movement is obtained by a slow reversal in the change of directions and the moving parts are well supported, there is no vibration whatsoever imparted to the crib 11.
Variations in length of stroke are provided by a selection of eccentrics 20 having a variety of ofiset or throw as is the common practice.
In Fig. 8 is shown a modified form of curved track 32-A which is supported by a shim 32-B from the crib bottom 25. Any desired shape of track 32-A may be employed without departing from the spirit of this invention.
I claim:
A reciprocating crib structure comprising a base, said base having a shelf surrounded by upstanding side and end walls defining an open top box for containing a reciprocating mechanism, four crib supporting rollers mounted on said side walls and projecting thereabove, vertically disposed horizontal side wall tracks on the inside of said side walls, a motor driven eccentric mounted on said shelf, a crib having a bottom equipped with vertically curved tracks to ride on said rollers, each of said curved tracks being concave on its under side, rollers on the bottom of said crib engageable with said side wall tracks, and a Scotch yoke projecting downwardly from the bottom of said crib and engaging said eccentric to impart longitudinal reciprocation to said crib when said eccentric rotates, said yoke having an open lower end for disengagement from said eccentric upon vertical movement of said crib.
References Cited in the file of this patent UNITED STATES PATENTS 132,745 Batley Nov. 5, 1872 465,719 Mitchell Dec. 22, 1891 889,576 Boyer June 2, 1908 1,374,507 Lawson Apr. 12, 1921 1,500,009 Smaldone July 1, 1924 1,733,115 Capito Oct. 29, 1929 1,909,204 Marchese May 16, 1933 1,970,233 Hertzberg Aug. 14, 1934 2,506,183 Touchberry May 2, 1950 2,570,676 Henderson Oct. 9, 1951 FOREIGN PATENTS 351,538 Italy Aug. 13, 1937 450,678 Italy July 26, 1949
US417813A 1954-03-22 1954-03-22 Crib having means for providing a reciprocating, longitudinal motion thereto Expired - Lifetime US2805427A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979735A (en) * 1959-03-02 1961-04-18 Helmer Norman Donald Power-operated device for reciprocating a bassinet
US3075205A (en) * 1959-05-12 1963-01-29 Samuel W Canova Rocking attachment
US4419777A (en) * 1981-05-04 1983-12-13 Harold P. Parker Baby bed rocking mechanism
US4656680A (en) * 1985-05-13 1987-04-14 Wilson Roger F Method and apparatus for oscillating a baby to sleep
US4970740A (en) * 1990-05-14 1990-11-20 Joseph Crawford Bi-motional cradle
US5398353A (en) * 1993-04-20 1995-03-21 Mother's Love Pte. Ltd. Multi-directional rocking crib
US20120216347A1 (en) * 2011-02-24 2012-08-30 Tundo Vincent E Reciprocating Rocking Device
CN102835853A (en) * 2012-08-31 2012-12-26 茅鸿勇 Baby cradle and swaying method thereof
US9574647B2 (en) 2011-02-24 2017-02-21 Acea M. Mosey Reciprocating rocking device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US132745A (en) * 1872-11-05 Improvement
US465719A (en) * 1891-12-22 Rocking-chair
US889576A (en) * 1906-05-21 1908-06-02 Allen Philip Boyer Swing.
US1374507A (en) * 1920-10-02 1921-04-12 Aubrey J Lawson Automatic rocking cradle
US1500009A (en) * 1923-05-23 1924-07-01 Smaldone Pompilio Crib
US1733115A (en) * 1928-04-19 1929-10-29 Capito Pete Reciprocable cradle structure
US1909204A (en) * 1930-06-25 1933-05-16 Marchese Paul Reciprocating cradle
US1970233A (en) * 1933-09-02 1934-08-14 Hertzberg Harry Massage device
US2506183A (en) * 1947-09-30 1950-05-02 Touchberry Alice Apparatus for colonic therapy
US2570676A (en) * 1950-12-14 1951-10-09 John V Henderson Reciprocating bed

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US132745A (en) * 1872-11-05 Improvement
US465719A (en) * 1891-12-22 Rocking-chair
US889576A (en) * 1906-05-21 1908-06-02 Allen Philip Boyer Swing.
US1374507A (en) * 1920-10-02 1921-04-12 Aubrey J Lawson Automatic rocking cradle
US1500009A (en) * 1923-05-23 1924-07-01 Smaldone Pompilio Crib
US1733115A (en) * 1928-04-19 1929-10-29 Capito Pete Reciprocable cradle structure
US1909204A (en) * 1930-06-25 1933-05-16 Marchese Paul Reciprocating cradle
US1970233A (en) * 1933-09-02 1934-08-14 Hertzberg Harry Massage device
US2506183A (en) * 1947-09-30 1950-05-02 Touchberry Alice Apparatus for colonic therapy
US2570676A (en) * 1950-12-14 1951-10-09 John V Henderson Reciprocating bed

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979735A (en) * 1959-03-02 1961-04-18 Helmer Norman Donald Power-operated device for reciprocating a bassinet
US3075205A (en) * 1959-05-12 1963-01-29 Samuel W Canova Rocking attachment
US4419777A (en) * 1981-05-04 1983-12-13 Harold P. Parker Baby bed rocking mechanism
US4656680A (en) * 1985-05-13 1987-04-14 Wilson Roger F Method and apparatus for oscillating a baby to sleep
US4970740A (en) * 1990-05-14 1990-11-20 Joseph Crawford Bi-motional cradle
US5398353A (en) * 1993-04-20 1995-03-21 Mother's Love Pte. Ltd. Multi-directional rocking crib
US20120216347A1 (en) * 2011-02-24 2012-08-30 Tundo Vincent E Reciprocating Rocking Device
US9574647B2 (en) 2011-02-24 2017-02-21 Acea M. Mosey Reciprocating rocking device
CN102835853A (en) * 2012-08-31 2012-12-26 茅鸿勇 Baby cradle and swaying method thereof
CN102835853B (en) * 2012-08-31 2015-01-28 茅鸿勇 Baby cradle and swaying method thereof

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