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US299480A - Saw-guard - Google Patents

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Publication number
US299480A
US299480A US299480DA US299480A US 299480 A US299480 A US 299480A US 299480D A US299480D A US 299480DA US 299480 A US299480 A US 299480A
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Prior art keywords
plate
fastening
saw
hood
upright
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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

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27GACCESSORY MACHINES OR APPARATUS; TOOLS; SAFETY DEVICES, e.g. THOSE FOR SAWS
    • B27G19/00Safety guards or devices specially designed for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/02Safety guards or devices specially designed for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/768Rotatable disc tool pair or tool and carrier
    • Y10T83/7734With guard for tool

Description

2 Shets-Sheet 1. H. P. KUHLMANN,- M. F. ROBINSON & E. S. IRVIN.

(No Model.)

SAW GUARD.

Patented May 27 II HIIIIIII A\\ (No M 2 SneetsSheet 2.

H; UHLMANN, M. F. ROBINSON 81; E. S. IRVIN.

.4 W J I /W% fivl/gwz w Gal/4% day/7%. ATTORNEYS.

SAW GUARD. y Patented M 2 UNITED STATES PATENT EETCE.

HENRY F. KUHLMANN, MERRITT F. ROBINSON, AND EDWARD S. IRVIN, OF INDIANAPOLIS, ASSIGNORS TO THE NATIONAL SAWGUARD COMPANY,

OF MARION COUNTY, INDIANA.

SAW-GUARD.

SPECIFICATION forming part of Letters Patent No. 299,480, dated May 27, 1884.

Application filed October 15, 1883. (No model.)

'To all whom it may concern Be it known that we, HENRY F. KUHLMANN, MERRITT F. RoBINsoN, and EDWARD S. IR- VIN, citizens of the United States, residing at the city of Indianapolis, in the county of Marion and State of Indiana, have invented certain new and useful Improvements in Saw- Guards, of which the following is a specification, reference being had therein to the accompanying drawings, in which- Figure lis a side view of our improved sawguard. Fig. 2 is a bottom view of the sawtable and the fastening for the guard, and Fig. 3 is a View of the hood with a portion of it I 5 broken away. Fig. 4 is a longitudinal vertical section, and Fig. 5isavertical cross-section, of the table and fastening.

Similar letters of reference indicate corresponding parts in all the figures.

Our invention has relation to saw-gaurds; and it contemplates certain improvements upon the guards for which Letters Patent were granted to Henry F. Kuhlmann on September 12, 1882, No. 264,412, July 17, 1883, Nos. 281,274 and 281,275, and the guard, the appli cation for which was allowed on the 18th day of September, 1883; and it consists to that end in the improved construction and combination of parts of the same, as hereinafter more fully 0 described and claimed.

The object of our invention is to provide a fastening for the hood and the pivoted upright shown in the above-named patents and allowed application, so that differentsized hoods, and 3 5 consequently different-sized uprights, may be used upon the same fastening, the hoods and uprights being changed according to the size of the saws used; and to accomplish this object we construct our guard as shown in the 0 drawings and more fully described in the following:

In the accompanying drawings, the letter A represents the saw-table. B is the hood O, the rearwardly -pointing arms from which the :,5 hood is suspended; and D is the flat upright,

pivoted upon a screw, E, in the lower end of the downwardly-projecting portion of the fastening-plate, and held in position by the trans- Verse plate or bar F, all of which'parts are of 'ening-screw from one of the said perforations the same construction as the parts used in the former guards, and therefore need no further description.

The fastening-plate G consists of a plate, H, having two lugs, I, upon its under side, and having. a female threaded perforation, J, all in one longitudinal line, a distance from the outer edge of the plate, from which the downwardly-pointing vertical portion K of the plate projects. A screw, L, passes through one of a series of perforations, M, in the table into the female threaded perforation in the plate and servesto secure the same to the table, and the fastening-plate may be adjusted nearer to or farther from the saw by changing the fast- 4 to another. To guide the plate in moving it forward or back, and to furthermore secure it, a longitudinal plate or bar, N, having two shoulders, O, of the same thickness as the fastening-plate, one at each end, is secured to the table by means of screws]? passing through the shoulders, spanning the fastening-plate, and. the said bar'has a longitudinal slot, Q, into which the lugs upon the fastening-plate and the end of the fastening-screw project, preventing the fastening-plate from turning, I and guiding it when moved by changing the screw from one perforation in the table to another. A plate, R, having a slot, S, in its lower end, parallel to its lower edge, and a number of longitudinal slots, T, opening with their lower ends into the transverse slot, and having a slight inclination toward the inner and lower corner of the plate, slides with its slot-s upon the outer, U, of the screws, securing the transverse plate to the vertical portion of the fastening-plate, the portions of the plate between the inner edge of the plate and the inner edges of the slots forming wedges, so that by bringing the inner edge of the wedging-plate to bear against the outer edge of the upright and forcing the plate down with one of the longitudinal slots sliding upon the screw the upright may be secured and held in position, and it will be seen that in this manner the wedging-plate may be withdrawn, allowing the upright and its hood to be removed and an upright of a difierent size to be inserted, when the wedging-plate may again be pushed down, another slot sliding upon the screw this time, and secure the upright. The inner surfaces of the rear portions of the sides of the hood are provided with linings V, of rubber or similar material, which serve to prevent the saw from being injured by the teeth of the same striking the sides of the hood, which may easily happen if the teeth by the swerving of the saw should strike the hard uncovered metallic sides of the hood.

Having thus described our invention, we claim and desire to secure by Letters Patent of the United States 1. The combination of the hood and upright, a fastening-plate having a vertical portion provided at its lower end with the pivotal bolt for the upright, a transverse plate fastened across the upper portion of the vertical portion of the fastening-plate by means of two screws, one at each end, and a wedging-plate 2. The combination of the fastening-plate having the upright carrying the hood attached adjustably to it, and provided with two lugs and a female threaded perforation, all in a longitudinal line, the saw-table having a 1011- gitudinal series of perforations, a screw fitting in the perforations in the table and in the female threaded perforation in the fasteningplate, and a longitudinally-slotted plate or bar spanning the iastening-plate, and having the lugs and the end of the screw projecting into the slot and fastened to the under side of the saw-table, as and for the purpose shown and set forth.

3. A hood for a saw-guard having the inner surfaces of its sides lined with rubber, as and for the purpose shown and set forth( In testimony whereof we affix our signatures in presnice of witnesses.

HENRY F. KUHLMANN'. MERRITT F. ROBINSON. EDXVARD S. IRVIN. Vitnesses:

W. R. HOLLOWAY,

O. H. I'IASSELMAN,

\V. H. SMITH,

E. M. HOLLOWAY.

US299480A Saw-guard Expired - Lifetime US299480A (en)

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Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593596A (en) * 1949-03-24 1952-04-22 George V Olson Circular saw guard
US20020017182A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Brake positioning system
US20020017178A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Motion detecting system for use in a safety system for power equipment
US20020017175A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Translation stop for use in power equipment
US20020017180A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Brake mechanism for power equipment
US20020017179A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Miter saw with improved safety system
US20020017336A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Apparatus and method for detecting dangerous conditions in power equipment
US20020017184A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Table saw with improved safety system
US20020017183A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Cutting tool safety system
US20020017181A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Retraction system for use in power equipment
US20020020262A1 (en) * 2000-08-14 2002-02-21 Gass Stephen F. Logic control for fast-acting safety system
US20020020265A1 (en) * 2000-08-14 2002-02-21 Gass Stephen F. Translation stop for use in power equipment
US20020020263A1 (en) * 2000-08-14 2002-02-21 Gass Stephen F. Firing subsystem for use in a fast-acting safety system
US20020020271A1 (en) * 2000-08-14 2002-02-21 Gass Stephen F. Spring-biased brake mechanism for power equipment
US20020056350A1 (en) * 2000-09-29 2002-05-16 Gass Stephen F. Table saw with improved safety system
US20020056348A1 (en) * 2000-09-29 2002-05-16 Gass Stephen F. Miter saw with improved safety system
US20020056349A1 (en) * 2000-09-29 2002-05-16 Gass Stephen F. Miter saw with improved safety system
US20020059855A1 (en) * 2000-09-29 2002-05-23 Gass Stephen F. Miter saw with improved safety system
US20020059853A1 (en) * 2000-09-29 2002-05-23 Gass Stephen F. Power saw with improved safety system
US20020066346A1 (en) * 2000-09-29 2002-06-06 Gass Stephen F. Miter saw with improved safety system
US20020170399A1 (en) * 1999-10-01 2002-11-21 Gass Stephen F. Safety systems for power equipment
US20020170400A1 (en) * 2001-05-17 2002-11-21 Gass Stephen F. Band saw with improved safety system
US20030015253A1 (en) * 2001-07-18 2003-01-23 Gass Stephen F. Router with improved safety system
US20030019341A1 (en) * 2001-07-27 2003-01-30 Gass Stephen F. Safety systems for band saws
US20030020336A1 (en) * 2001-07-25 2003-01-30 Gass Stephen F. Actuators for use in fast-acting safety systems
US20030037651A1 (en) * 2001-08-13 2003-02-27 Gass Stephen F. Safety systems for power equipment
US20030056853A1 (en) * 2001-09-21 2003-03-27 Gass Stephen F. Router with improved safety system
US20030058121A1 (en) * 2001-09-24 2003-03-27 Gass Stephen F. Logic control with test mode for fast-acting safety system
US20030090224A1 (en) * 2001-11-13 2003-05-15 Gass Stephen F. Detection system for power equipment
US20030131703A1 (en) * 2002-01-16 2003-07-17 Gass Stephen F. Apparatus and method for detecting dangerous conditions in power equipment
US20030140749A1 (en) * 2002-01-25 2003-07-31 Gass Stephen F. Brake Pawls for power equipment
US20040040426A1 (en) * 2002-08-27 2004-03-04 Gass Stephen F. Miter saw with improved safety system
US20040173430A1 (en) * 2003-03-05 2004-09-09 Gass Stephen F. Retraction system and motor position for use with safety systems for power equipment
US20050041359A1 (en) * 2003-08-20 2005-02-24 Gass Stephen F. Motion detecting system for use in a safety system for power equipment
US20050039822A1 (en) * 2003-08-20 2005-02-24 Gass Stephen F. Woodworking machines with overmolded arbors
US20050039586A1 (en) * 2003-08-20 2005-02-24 Gass Stephen F. Brake cartridges for power equipment
US20050139057A1 (en) * 2003-12-31 2005-06-30 Gass Stephen F. Table saws with safety systems
US20050139459A1 (en) * 2003-12-31 2005-06-30 Gass Stephen F. Switch box for power tools with safety systems
US20050139058A1 (en) * 2003-12-31 2005-06-30 Gass Stephen F. Brake cartridges and mounting systems for brake cartridges
US20050155473A1 (en) * 2003-12-31 2005-07-21 Gass Stephen F. Dectection systems for power equipment
US20050166736A1 (en) * 2004-01-29 2005-08-04 Gass Stephen F. Table saws with safety systems and systems to mount and index attachments
US20050178259A1 (en) * 2001-08-13 2005-08-18 Gass Stephen F. Miter saw with improved safety system
US20050204885A1 (en) * 2002-01-14 2005-09-22 Gass Stephen F Miter saw with improved safety system
US20050252187A1 (en) * 2000-09-29 2005-11-17 Gass Stephen F Cutting tool safety system
US20060032352A1 (en) * 2000-09-18 2006-02-16 Gass Stephen F Translation stop for use in power equipment
US7055417B1 (en) 1999-10-01 2006-06-06 Sd3, Llc Safety system for power equipment
US20060247795A1 (en) * 2005-04-15 2006-11-02 Gass Stephen F Detection systems for power equipment
US7171879B2 (en) 2001-07-02 2007-02-06 Sd3, Llc Discrete proximity detection system
US7210383B2 (en) 2000-08-14 2007-05-01 Sd3, Llc Detection system for power equipment
US7347851B1 (en) 2004-03-09 2008-03-25 Leo B Kriksunov Needleless hypodermic jet injector apparatus and method
US20090314148A1 (en) * 2008-06-20 2009-12-24 Gass Stephen F Table saw blade guards and blade guard assemblies including lateral blade guards, and table saws including the same
US7712403B2 (en) 2001-07-03 2010-05-11 Sd3, Llc Actuators for use in fast-acting safety systems
US7836804B2 (en) 2003-08-20 2010-11-23 Sd3, Llc Woodworking machines with overmolded arbors
US8082825B2 (en) 2009-06-09 2011-12-27 Butler David J Health and safety system for a table saw
US8186255B2 (en) 2000-09-29 2012-05-29 Sd3, Llc Contact detection system for power equipment

Cited By (120)

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Publication number Priority date Publication date Assignee Title
US2593596A (en) * 1949-03-24 1952-04-22 George V Olson Circular saw guard
US8408106B2 (en) 1999-10-01 2013-04-02 Sd3, Llc Method of operating power equipment with detection and reaction systems
US7621205B2 (en) 1999-10-01 2009-11-24 Sd3, Llc Band saw with safety system
US7055417B1 (en) 1999-10-01 2006-06-06 Sd3, Llc Safety system for power equipment
US7895927B2 (en) 1999-10-01 2011-03-01 Sd3, Llc Power equipment with detection and reaction systems
US20060000337A1 (en) * 1999-10-01 2006-01-05 Gass Stephen F Band saw with safety system
US8196499B2 (en) 1999-10-01 2012-06-12 Sd3, Llc Power equipment with detection and reaction systems
US7525055B2 (en) 1999-10-01 2009-04-28 Sd3, Llc Switch box for power tools with safety systems
US9925683B2 (en) 1999-10-01 2018-03-27 Sawstop Holding Llc Table saws
US9522476B2 (en) 1999-10-01 2016-12-20 Sd3, Llc Power equipment with detection and reaction systems
US9724840B2 (en) 1999-10-01 2017-08-08 Sd3, Llc Safety systems for power equipment
US20020170399A1 (en) * 1999-10-01 2002-11-21 Gass Stephen F. Safety systems for power equipment
US7347131B2 (en) 1999-10-01 2008-03-25 Sd3, Llc Miter saw with improved safety system
US7788999B2 (en) 1999-10-01 2010-09-07 Sd3, Llc Brake mechanism for power equipment
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US7225712B2 (en) 2000-08-14 2007-06-05 Sd3, Llc Motion detecting system for use in a safety system for power equipment
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US7308843B2 (en) 2000-08-14 2007-12-18 Sd3, Llc Spring-biased brake mechanism for power equipment
US20020020271A1 (en) * 2000-08-14 2002-02-21 Gass Stephen F. Spring-biased brake mechanism for power equipment
US20020020263A1 (en) * 2000-08-14 2002-02-21 Gass Stephen F. Firing subsystem for use in a fast-acting safety system
US20020020265A1 (en) * 2000-08-14 2002-02-21 Gass Stephen F. Translation stop for use in power equipment
US20020020262A1 (en) * 2000-08-14 2002-02-21 Gass Stephen F. Logic control for fast-acting safety system
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US9038515B2 (en) 2000-08-14 2015-05-26 Sd3, Llc Logic control for fast-acting safety system
US20020017183A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Cutting tool safety system
US20020017184A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Table saw with improved safety system
US20020017336A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Apparatus and method for detecting dangerous conditions in power equipment
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US8100039B2 (en) 2000-08-14 2012-01-24 Sd3, Llc Miter saw with safety system
US20020017179A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Miter saw with improved safety system
US7350444B2 (en) 2000-08-14 2008-04-01 Sd3, Llc Table saw with improved safety system
US6857345B2 (en) 2000-08-14 2005-02-22 Sd3, Llc Brake positioning system
US7921754B2 (en) 2000-08-14 2011-04-12 Sd3, Llc Logic control for fast-acting safety system
US20020017180A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Brake mechanism for power equipment
US7832314B2 (en) 2000-08-14 2010-11-16 Sd3, Llc Brake positioning system
US7228772B2 (en) 2000-08-14 2007-06-12 Sd3, Llc Brake positioning system
US20020017175A1 (en) * 2000-08-14 2002-02-14 Gass Stephen F. Translation stop for use in power equipment
US7024975B2 (en) 2000-08-14 2006-04-11 Sd3, Llc Brake mechanism for power equipment
US20050139051A1 (en) * 2000-08-14 2005-06-30 Gass Stephen F. Brake positioning system
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US7600455B2 (en) 2000-08-14 2009-10-13 Sd3, Llc Logic control for fast-acting safety system
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US20060032352A1 (en) * 2000-09-18 2006-02-16 Gass Stephen F Translation stop for use in power equipment
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US20020059853A1 (en) * 2000-09-29 2002-05-23 Gass Stephen F. Power saw with improved safety system
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US20020056349A1 (en) * 2000-09-29 2002-05-16 Gass Stephen F. Miter saw with improved safety system
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US20050039822A1 (en) * 2003-08-20 2005-02-24 Gass Stephen F. Woodworking machines with overmolded arbors
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US8489223B2 (en) 2003-12-31 2013-07-16 Sd3, Llc Detection systems for power equipment
US7536238B2 (en) 2003-12-31 2009-05-19 Sd3, Llc Detection systems for power equipment
US8459157B2 (en) 2003-12-31 2013-06-11 Sd3, Llc Brake cartridges and mounting systems for brake cartridges
US20050166736A1 (en) * 2004-01-29 2005-08-04 Gass Stephen F. Table saws with safety systems and systems to mount and index attachments
US8505424B2 (en) 2004-01-29 2013-08-13 Sd3, Llc Table saws with safety systems and systems to mount and index attachments
US7827890B2 (en) 2004-01-29 2010-11-09 Sd3, Llc Table saws with safety systems and systems to mount and index attachments
US7347851B1 (en) 2004-03-09 2008-03-25 Leo B Kriksunov Needleless hypodermic jet injector apparatus and method
US7481140B2 (en) 2005-04-15 2009-01-27 Sd3, Llc Detection systems for power equipment
US20060247795A1 (en) * 2005-04-15 2006-11-02 Gass Stephen F Detection systems for power equipment
US8079295B2 (en) 2008-06-20 2011-12-20 Sd3, Llc Table saw blade guards and blade guard assemblies including lateral blade guards, and table saws including the same
US20090314148A1 (en) * 2008-06-20 2009-12-24 Gass Stephen F Table saw blade guards and blade guard assemblies including lateral blade guards, and table saws including the same
US8082825B2 (en) 2009-06-09 2011-12-27 Butler David J Health and safety system for a table saw

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