US1708729A

US1708729A - Freezer

Info

Publication number: US1708729A
Application number: US148045A
Authority: US
Inventors: Victor W Klein
Original assignee: Individual
Current assignee: Individual
Priority date: 1926-11-12
Filing date: 1926-11-12
Publication date: 1929-04-09
Anticipated expiration: 1946-04-09

Description

April 9 9- v. w. KLEIN 1,708,729

FREEZER Original Filed Nov. 12, 1926 y? Z7 24 Z I lNVENTOR BY 4% o WITNESS: ATTORNEY Patented Apr. 9, 1929 VICTbR W. KLEIN, OF LAKE CHARLES, LOUISIANA..

FREEZER.

Application filed November 12, 1926, Serial No. 148,045. Renewed September 10, 1928.

This'invention relates to improvements in freezers especially adapted for use in freez-- mg ice cream and ices and contemplates a provision of reciprocating paddles or dashers and a scraping mechanism carried by the freezer whereby all of the mixture sticking to the sides and bottom thereof will be readily and easily removedand in so doing the mixture will be thrown upon the paddles or .10 dashers to thoroughly mix and freeze the same.

Another object of the invention comprehends an operating means for the scraping means as well as .the paddles or dashers to provide an operating means which when geared up and due to the eccentric interfitting relation of the various parts it will be noted that both rotary and reciprocatory movement will be imparted to the freezing apparatus;

With the above and other objects in view, the'invention further includes the'following novel features and details of construction, to be hereinafter more fully described, illustrated in the accompanying drawings and pointed out in the appended claims.

In the drawings: Figure 1 is an elevationof the invention. Figure 2 is a longitudinal section taken on line 22 of Figure 1.

Figure 3 is a transverse section taken through aport-ion of the freezing. apparatus. Figure 4 is a similar view taken through the bottom of the freezer and showing the relativeapositions of the scraping apparatus. Referring to the drawing in detail, wherein like characters of reference denote corresponding parts, the reference character 10 indicates a bucket, and 11 the ice cream freezer, the latter being packed within thebucket 10 in, the 'usualand ordinary manneror mechanically refrigerated. A removable clov sure cap or cover 12 includes a centrally dis- 'posed opening having an upstanding annular flange 13 surrounding the marginal edges I .thereof to receive a housing 14. The bucket 10 also includes a cover 15 having an opening 16 receiving the upper end ofthe housing 14. An annular flange member 17 carried by the cover 15 receives for rotation therein the housing 14. v

Fixed or otherwise secured to the housing 14 is a beveled gear 18 seated upon the periphery of the flanged member 17. A substantially' U-shaped bracket 19 has its endscarried upon the cover 12 of the freezer l1 and disposed an appreciable distance above the beveledgear 18. A pair of driven shafts 20 journaled within the sides of the bracket 19 have a beveled gear 21 carried upon the lowermost shaft and meshed with the beveled gear 18 which is rotated through meshing engagement of a gear 22 correspondingly associated with a small gear 23 carried upon the upper shaft. The upper driven shaft has included upon one end thereof a relatively large gear wheel 24 which is meshed with a driving gear 25 included upon the upper end of a motor shaft from a motor 26 carried by the ,bracket 19. Said motor is held against displacement through the instrumentality of bands 17 carried by the bracket. It will thus be noted upon starting the motor 26 that the gears as mentioned will be caused to rotate. The housing 14 will also rotate within the flange 7 members 13 and 17 and in order that the operation of the housing 14 may be reduced to practical use I provide a cross arm 28 upon the lower end thereof within the freezer 11 and which has pivotally mounted within the ends thereof and the corresponding portions of an additional cross arm 28 the ends of scrapers 29 disposed adjacent the innerside Walls of the freezer 11. Said scrapers will be caused to scrape the innerside walls of the freezer uponsuccessive revolutions of the housing due to the agency of centrifugal force whereby the mixture sticking to the innerside walls of the freezer will be thrown inwardly toward the center thereof to mix the same with the major portion of the mixture. The lower cross arm 29 includes a pivotally mounted scraper fan 31 which is helically pitched as illustrated in Figure 1 to scrape all of the mixture which has settled within the bottom of the freezer.

As mentioned in the foregoing I provide means for reciprocating a plurality of paddles or'dashers within the freezer 11 and m sodoing'I provide a separable eccentric hous- 1 0 ing 32 which receives for rotation withm a groove 33an eccentric or cam 34 fixed upon I the uppermost of the driven shafts 20; The caps for the receptacle and freezer, ahous- 65 housing 32 includes a longitudinally disposed elongated slot 35 receiving the lowermost of thefshafts 20 to provide suflicient space to clear the shaft when the housing 32 is reciprocated through the movement of the eccentric or cam- 34. I

Fixed to the lower portion of the housing 32 and extended through the housing 14 and adapted for reciprocation therein, is a dasher rod 36 which is also disposed an appreciable distance within the freezer 11.

Fixed to and arranged at spaced intervals upon the dasher rod 36 is a plurality of paddles or dashers 37 which will reciprocate withln the freezer 11 upon successive reciprocations of the dasher rod 36. a It will thus be noted that a novel form of-operating means is provided for-ghis especial type of apparatus, usin one agency of power, will impart rotary movement to the scraper 29 dles. or dashers 39 carried thereon.

In order to provide means for whipping within the freezer 11 and also a reciprocating movement to the dasher rod 36'and padair in the maklng of frozen dainties having smoothness of textures, I provide 'a compressed air pump 38 mounted upon the cover plunger rod 39 withina pump 38 to expel compressed air through a pipe 42 coiled withv in the bucket 10 and encircling the freezer 11. The upper end of the tube 42 is connected to .a flexibletube 43 communicating with the upper free end of the dasher 36.

whereby the air will be emitted from the lower end of the dasher rod within the freezer 11"to whip the mixture to insure smoothness of texture.

I I A- housing is placed upon the: cover 15 to enclose the gears18 and 21 so that the tube Y 4 3 will not be injured upon the reciprocation of the dasher rod 36 and operating. means therefor. I 1

Manifestly the mechanism may by the I construction thereof be readily placed within a receptacle and disposed centrally of the 'chan es in its form, proportions and minor detai s of construction, and the right is here Having thus described my mvention, what in reserved to make such changes asproperly fall withinthe scope of the appended claims.

is claimed is:

1. An ice cream "freezer compris ng a receptacle, a freezer-married thereby, closure eezinging extended through said caps, a bevel gear fixed to the upper end of the housing, cross bars disposed within the freezer and connected with the housing, a scraper fan carried by one of the cross bars, scraper members journaled between the ends of the bars adjacent the inner side walls of the freezer,

a dasher rod extended through the housing and'within the .freezero'an appreciable distance, a plurality of dashers carried by the dasher rod at spaced intervals thereon, a substantially inverted U-shaped supporting member carried upon the receptacle closure cap, a motor supported upon the upper end of the supporting member, a pair of geared driven sha'ftsjjournaled within the sides of the supportingmember and connected with the motor, a cam fixed upon one of the shafts, J gearing means included upon the other driven shaft and meshing with the beveled gear, and an eccentric housing encircling the cam and connected with the upper end of the dasher rod. 7

p 2. An ice cream freezer comprising a receptacle, a freezer arranged withinthe receptacle, closure caps for the receptacle and freezer respectively, a housing extending thereof journaled between the extremities of the cross bars, a supporting member carried by the receptacle closure cap and supporting amotor thereon, upper, and lower geared driven shafts having their ends journaled within the opposed sides of the supporting *member and connected. with the motor, a beveled gear carried by the lower shaft and meshing with the first mentioned beveled gear, an eccentric fixed to the upper shaft, and a separable eccentric having its lower end fixed to the upper end of thedasherrod and receiving the lower driven shaft elongated slotted portion. p

3; An ice cream freezer comprising a receptacle, a freezer arranged within the rewithin an a ceptacle, closure caps for the receptacle and freezer an auxiliary cross barhaving a heli-o cally pitched fan scraper upon the lower-side 'thereof adjacent the bottom of the freezer,

scrapermembers vertically disposed within; the freezer, having their respectlve ends journaled between the extremities of*the cross bars, a supporting member carried byfthe receptacle closure cap and supporting a motor thereon, upper and lower geared driven shafts having their ends 'journaled within the opposed sides of the supporting member 5 and connected with the motor, a beveled gear carried by the lower shaft and meshing with the first mentioned beveled gear, an eccentric fixed to the upper shaft, and a separable eccentric carried by the dasher rod being adapted to receive the first mentioned eccentric to derive the necessary momentum for the dasher rod.

In testimony whereof I afllx my signature.

VICTOR W. KLEIN.