May 



1922 



HARDWOOD RECORD 



17 



Ten Year Review of Furniture Industry Improvements 



Improvements to Machines and Methods in Furniture Manufacture Keep Pace 

 with Remarkable Industrial Evolution in the United States, Making 

 It Possible to Produce in Great Quantities High Grade 

 Furniture at Relatively Low Cost* 



Chapter II 



i fnittiinicd from May 10 Issuf) 



Heretofore the application of ball bearings to woodworking ma- gone woodworking plants will be equipped with buss bars located in 



chinery has been referred to more or less incidentally, but the tre- the power room, which will furnish 60, 80, 90, I 20 and even more 



mendous importance of this improvement, together with direct mo- cycles, so that different machines operating on different classes of 



tor drives, demands a more detailed consideration. Multiple direct work can be made to run at just the speed the operator desires 



motor drive apparently is becoming more popular every day. The the machine to run. 



(c) By Courte.iy Jenkins Machine Oompajiy 



Motor Driven Ball Bearing Double End Tenoner 



direct motor driven double-spindle shaper, which, operating off 

 from 60 cycles, rotates at 3,600 R. P. M., and with the increase 

 in the frequency is made to operate up to I 0,000 R. P. M., and the 



© By Courtesy .Tenkins Machine (Vrnpany 



Veneer and Panel Sizer of Up-to-date Model 



Of course, ball bearings were extensively used in woodworking 

 machinery construction a considerable number of years before 

 the introduction of direct motor drive, but it is true that direct 

 motor drive has brought about the more general use of all types 



© B>' Courtesy Jenkins Machine OompaDy 



Modem Type of Continuous Feed Glue Jointer 



direct motor driven moulders, are typical examples of this develop- 

 ment. It is the general opinion of electrical manufacturers as well 

 as most modern woodworkers that before another five years have 



*The preparation of this article icould have been imposaible without 

 the extended advice and counsel of woodworking machinery manufac- 

 turers. We have placed a large dependence upon them, and have, in 

 fact, in many uistances employed their exact statements, but because 

 of the impediment it would have offered to the reader, were forced to 

 omit crediting each quotation as it was made. Therefore, we desire to 

 make grateful acknowledgment to the following, upon whom we drew 

 for our data: L. G. Mcrritt, Merritt Engineering £ Sales Co., Lock- 

 port, N. Y.; R. F, Baldwin, treasurer, Oliver Machinery Co., Grand 

 Rapids, Mich.; W. A. Furst, general engineer, Westinghouse Electric d 

 Manufacturing Co., East Pittsburgh, Pa.; F. F. DaiHs, Baxter D. Whit- 



© By Courtesy Jenkins Machine CVjirpfliiy 



Ball Bearing Motor Driven Veneer Jointer 



ney tt Son, Inc., Winchendon, Mass.; Glenn B. La Page, secretary, and 

 W. Marsh, Jenkins Machine Co., Sheboygan, Wis.; Kenneth Redman, man- 

 ager of the dry kiln department, and H. M. Nichols, in charge of the 

 department of collecting and conveying systems for woodworking plants, 

 B. F. Sturtevant Company, Hyde Park, Boston, Mass.; R. T. Maston, ad- 

 vertising manager, American Wood Working Machinery Co., Rochester, 

 N. Y.; J. A. Quixley, Mattison Machine Works, Rockford, III.; Fred 

 Kershaw, secretary-treasurer. Proctor cC- Schwartz, Inc., Philadelphia: 

 R. D. Waltz, the De Vilbiss Manufacturing Co., Toledo, Ohio. 



"Note: Hardwood Record will be glad to assist anyone desiring to fur- 

 ther investigate the merits of types of machines mentioned in this article 

 to get in touch with munufacturvrs of the machines. 



