US2101895A - Machine for troweling - Google Patents
Machine for troweling Download PDFInfo
- Publication number
- US2101895A US2101895A US117842A US11784236A US2101895A US 2101895 A US2101895 A US 2101895A US 117842 A US117842 A US 117842A US 11784236 A US11784236 A US 11784236A US 2101895 A US2101895 A US 2101895A
- Authority
- US
- United States
- Prior art keywords
- carrier
- troweling
- trowels
- plates
- machine
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/78—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices with rotating digging elements
- E02F3/786—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices with rotating digging elements having a vertical axis of rotation
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/20—Implements for finishing work on buildings for laying flooring
- E04F21/24—Implements for finishing work on buildings for laying flooring of masses made in situ, e.g. smoothing tools
- E04F21/245—Rotary power trowels, i.e. helicopter trowels
- E04F21/248—Rotary power trowels, i.e. helicopter trowels used by an operator walking behind the trowel, i.e. walk-behind power trowels
Definitions
- Fig. 4 is a bottom plan view.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Description
Dec. 14, r1937. H. s. BULTON MACHIYNE FOR TROWELING Filed Deo. 28, 1936 Hamzdawzfmf Patented Dec.` 14, 1937 umTElz STATES PATENT fol-FICE MACHINE FOR TROWELING Harold S. Boulton, Chicago, Ill.
Application December 28, 1936, Serial No. 117,842
4 Claims. (Cl. iii-45) My invention relates to mechanical means for trowellng cementitious bodies, particularly iloors, and is a modlication of or variation in the construction shown in my copending application 5 Serial No. 29,901, iiled July5, 1935, Patent No.
An object of my invention is to provide a troweling device in which some of the objections to the solid plate are overcome. For example, the
matter of suction and that of uneven wear, due to the progressively greater extent of travel of the outer portion oi the disc ascompared to the inner portion. By breaking up the disc into a plurality of separate plates or segments and' Fig. 3 is a sectional view on the line 3-3 of Fig. 2; and,
Fig. 4 is a bottom plan view.
3o In the drawing I have illustrated a motor frame 'and motor Il, having a guide handle II. To the motor driven shaft I2 is connected, by means of bolts I3 and, preferably through a resilient liner Il. a drive plate It. Mounted beneath the drive 35 plate are a plurality of troweling plates I0, eight being shown in this instance. The edges oi' the plates are bevelled or turnedl up. as preferred. in order to oder no resistance to rotation on the relatively sott cement on which the plates will 40 operate. Leaf springs I1 are secured to the upper faces o! the plates. and bolts Il, passing through suitable openings in the plate I8 and engaging the spring Il, serve as means for resilient attachment o! the plates or trowels to the drive plate. 45 It will be noted that each trcwel plate has two points ol' attachment and that the plates may be reversed: that is. turned end for end, ii and 'when wear makes such reversal desirable. It
will be understood that the extent of travel of the outer portions of the plates will be greater Vthan the inner portions and thatthere willbe a tendency for proportionately greater wear on the outer portions. This may be compensated by 5 occasional end to end reversal of the plates. 'I'his is accomplished by forming the trowels symmetrical about their yfastening bolts I8, thus enabling them to be reversed in position.
The number and disposition of the trowel plates 10 is a matter of selection, a larger or smaller number than those shown being possible. The form of the spring connection between the trowels and the drive plate may also be changed and in other manners the construction is capable of modical5 tionwithin the skill of the mechanic.
I claim:
l. In a troweling machine, the combination of a horizontally rotatable carrier, a plurality of separate angularly arranged trowels mounted beneath said carrier, and a motor mounted vertically abovethe center of said carrier and connected to rotate the carrier and the trowels in a plane.
2. In a troweling machine, the combination of la horizontally rotatable carrier, a plurality of separate, angularly arranged trowels mounted beneath said carrier, with capacity for reversal of mounting, and a motor mounted vertically above the center of said carrier and connected to rotate the carrier and trowels in a plane. 3. In a troweling machine, the combination oi' a rotatable carrier, a plurality of separate trowels mounted beneath said carrier, a motor superimposed on the carrier and adapted to rotate the same and the trowels in a horizontal plana-and spring means interposed between the trowels and the carrier. 4. In a troweling machine, the combination of a rotatable carrier, a plurality oi separate trow- 4o els mounted beneath said carrier, and symmetrically formed about their mounting attachments, thereby providing capacity for reversal of mounting. and a motor superimposed on the carrier and adapted to rotate the same and the trowels in a horizontal plane.
HARQLD B. BOULTON.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US117842A US2101895A (en) | 1936-12-28 | 1936-12-28 | Machine for troweling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US117842A US2101895A (en) | 1936-12-28 | 1936-12-28 | Machine for troweling |
Publications (1)
Publication Number | Publication Date |
---|---|
US2101895A true US2101895A (en) | 1937-12-14 |
Family
ID=22375122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US117842A Expired - Lifetime US2101895A (en) | 1936-12-28 | 1936-12-28 | Machine for troweling |
Country Status (1)
Country | Link |
---|---|
US (1) | US2101895A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2555823A (en) * | 1947-01-21 | 1951-06-05 | Charles H Stanton | Plastering machine |
US2556983A (en) * | 1949-05-05 | 1951-06-12 | Walter J Root | Cement finishing float blade |
US2621568A (en) * | 1946-09-23 | 1952-12-16 | Horace G Fletcher | Concrete troweling machine and attachment therefor |
US2654298A (en) * | 1949-05-11 | 1953-10-06 | Kalman Floor Co | Concrete surfacing machine |
US2662454A (en) * | 1948-04-12 | 1953-12-15 | Whiteman Marvin Edwin | Float trowel for cement floor finishers |
US2754733A (en) * | 1952-03-06 | 1956-07-17 | Weymouth Construction Company | Concrete mattress finisher having rotary surface leveling and finishing elements |
US2836056A (en) * | 1955-10-24 | 1958-05-27 | John D Drummond | Power operated plastering trowels |
US2869442A (en) * | 1956-11-29 | 1959-01-20 | John M Mincher | Floating and troweling machine |
US5507061A (en) * | 1989-04-05 | 1996-04-16 | Nobuyoshi Kumaki | Rotary brush floor polisher |
-
1936
- 1936-12-28 US US117842A patent/US2101895A/en not_active Expired - Lifetime
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2621568A (en) * | 1946-09-23 | 1952-12-16 | Horace G Fletcher | Concrete troweling machine and attachment therefor |
US2555823A (en) * | 1947-01-21 | 1951-06-05 | Charles H Stanton | Plastering machine |
US2662454A (en) * | 1948-04-12 | 1953-12-15 | Whiteman Marvin Edwin | Float trowel for cement floor finishers |
US2556983A (en) * | 1949-05-05 | 1951-06-12 | Walter J Root | Cement finishing float blade |
US2654298A (en) * | 1949-05-11 | 1953-10-06 | Kalman Floor Co | Concrete surfacing machine |
US2754733A (en) * | 1952-03-06 | 1956-07-17 | Weymouth Construction Company | Concrete mattress finisher having rotary surface leveling and finishing elements |
US2836056A (en) * | 1955-10-24 | 1958-05-27 | John D Drummond | Power operated plastering trowels |
US2869442A (en) * | 1956-11-29 | 1959-01-20 | John M Mincher | Floating and troweling machine |
US5507061A (en) * | 1989-04-05 | 1996-04-16 | Nobuyoshi Kumaki | Rotary brush floor polisher |
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