US1883258A - Finger guard - Google Patents

Finger guard Download PDF

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Publication number
US1883258A
US1883258A US537279A US53727931A US1883258A US 1883258 A US1883258 A US 1883258A US 537279 A US537279 A US 537279A US 53727931 A US53727931 A US 53727931A US 1883258 A US1883258 A US 1883258A
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United States
Prior art keywords
finger guard
cylinders
tube
bite
serial
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
Application number
US537279A
Inventor
Wood Henry A Wise
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wood Newspaper Machinery Corp
Original Assignee
Wood Newspaper Machinery Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wood Newspaper Machinery Corp filed Critical Wood Newspaper Machinery Corp
Priority to US537279A priority Critical patent/US1883258A/en
Application granted granted Critical
Publication of US1883258A publication Critical patent/US1883258A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F33/00Indicating, counting, warning, control or safety devices
    • B41F33/0018Protection means against injury to the operator
    • 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
    • Y10T74/00Machine element or mechanism
    • Y10T74/21Elements
    • Y10T74/2193Guard mechanisms
    • 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
    • Y10T74/00Machine element or mechanism
    • Y10T74/21Elements
    • Y10T74/2193Guard mechanisms
    • Y10T74/2194Automatic

Definitions

  • the chief object of this invention is to provide an improved form of finger guards for warning the operator if his fingers come into too close proximity to the bite between the plate and the impression cylinders and that will not injure the printing plates in case of accident.
  • This guard consists of a very thin tube 60 shown as cylindrical in form. It is loosely suspended on two projections 61 attached to the inside of the frame 14. It is kept in place by a collar 62 on each stud 61. When one collar is shifted to the end nearest the frame, it permits the tube to be taken out by releasing the other end for the purpose of replacement. The tube is made so thin that if it is caught in the bite between the cylinders it will merely be flattened out without any material damage to the plate or blanket. This provides a loose device which will not interfere with the printing but will warn the operator if he gets his fingers into a dangerous position at this point where the surfaces of the adjacent cylinders are moving inwardly toward the bite.

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  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Description

Oct. 18, 1932. w WOOD 1,883,258
FINGER GUARD Original Filed May 26, 1926 Patented Oct. 18, 1932 PATENT OFFICE HENRY A. WISE WOOD, OF NEW YORK,
N. Y., ASSIGNOR TO WOOD NEWSPAPER MACHINERY CORPORATION, OF NEW YORK, N. Y., A. CORPORATION OF 'VIRGINIA FINGER GUARD Original application filed May 26, 1926, Serial No. 111,787, and April 6, 1929, Serial No. 353,200. Divided and this application filed May 14, 1931. Serial No. 537,279.
This is a division of my applications for patent, Serial No. 111,7 87, filed May 26, 1926 on a high speed printing press and Serial No. 353,200, filed April 6, 1929 on a rotary printing machine.
The chief object of this invention is to provide an improved form of finger guards for warning the operator if his fingers come into too close proximity to the bite between the plate and the impression cylinders and that will not injure the printing plates in case of accident.
Other objects and advantages of the invention will be described hereinafter.
Reference is to be had to the accompanywarning the operator when his fingers come in too close proximity to the bite between the plate and impression cylinders 17 and 18. This guard consists of a very thin tube 60 shown as cylindrical in form. It is loosely suspended on two projections 61 attached to the inside of the frame 14. It is kept in place by a collar 62 on each stud 61. When one collar is shifted to the end nearest the frame, it permits the tube to be taken out by releasing the other end for the purpose of replacement. The tube is made so thin that if it is caught in the bite between the cylinders it will merely be flattened out without any material damage to the plate or blanket. This provides a loose device which will not interfere with the printing but will warn the operator if he gets his fingers into a dangerous position at this point where the surfaces of the adjacent cylinders are moving inwardly toward the bite.
Although I have illustrated and described only one form of the invention I am aware of the fact that modifications can be made therein by any person skilled in the art with- 0 out departing from the scope of the invention as expressed in the claims. Therefore I do not wish to be limited in this respect but what I claim is 1. The combination with a printing couple, of a finger guard located adjacent to the bite between the cylinders, comprising a thin metal tube supported in place from the side frames.
2. The combination with a printing couple, of a pair of supports on the side frames extending inwardly a short distance therefrom at a point substantially equally distant between the cylinders and at the side from which the web enters for the impression, and a thin metal tube hung on said supports to warn an operator if his fingers get too close to the cylinders.
3. The combination with plate and impression cylinders adapted to print on a web, of a pair of studs projecting in from the sides a short distance at a point adjacent to the point at which the web enters the space between the cylinders, a thin metal tube hung on the ends of said studs, and collars on said studs for holding the tube in position on them, whereby, when one collar is loosened and pushed back, the tube can be moved along with the collar until the other end is free from the other stud.
4:. A finger guard for a printing press cou- In testimony whereof I have hereunto affixed my signature.
HENRY A. WISE WOOD.
US537279A 1926-05-26 1931-05-14 Finger guard Expired - Lifetime US1883258A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US537279A US1883258A (en) 1926-05-26 1931-05-14 Finger guard

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11178726A 1926-05-26 1926-05-26
US537279A US1883258A (en) 1926-05-26 1931-05-14 Finger guard

Publications (1)

Publication Number Publication Date
US1883258A true US1883258A (en) 1932-10-18

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ID=26809241

Family Applications (1)

Application Number Title Priority Date Filing Date
US537279A Expired - Lifetime US1883258A (en) 1926-05-26 1931-05-14 Finger guard

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557107A (en) * 1946-02-04 1951-06-19 Caleb W Hughson Safety guard for duplicating machines
DE766210C (en) * 1943-02-14 1954-02-08 Faber & Schleicher A G Safety device on counter-rotating rollers, especially in printing machines, calenders and the like. like
US3665846A (en) * 1971-01-11 1972-05-30 Jurgen Schiunke Protective shield for use at the bite of rollers for paper and textile calenders
US4193343A (en) * 1978-03-29 1980-03-18 R. W. Hartnett Company Pellet marking apparatus with frame raising and lowering mechanism
US4306439A (en) * 1980-01-07 1981-12-22 Modine Manufacturing Company Safety device
FR2699559A1 (en) * 1992-12-23 1994-06-24 Molinier Sa Raschel knitter for medical application materials
US5832825A (en) * 1996-03-20 1998-11-10 Hiedelberger Druckmaschinen Ag Safety device in a zone for infeeding a web of material into a folder

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE766210C (en) * 1943-02-14 1954-02-08 Faber & Schleicher A G Safety device on counter-rotating rollers, especially in printing machines, calenders and the like. like
US2557107A (en) * 1946-02-04 1951-06-19 Caleb W Hughson Safety guard for duplicating machines
US3665846A (en) * 1971-01-11 1972-05-30 Jurgen Schiunke Protective shield for use at the bite of rollers for paper and textile calenders
US4193343A (en) * 1978-03-29 1980-03-18 R. W. Hartnett Company Pellet marking apparatus with frame raising and lowering mechanism
US4306439A (en) * 1980-01-07 1981-12-22 Modine Manufacturing Company Safety device
FR2699559A1 (en) * 1992-12-23 1994-06-24 Molinier Sa Raschel knitter for medical application materials
US5832825A (en) * 1996-03-20 1998-11-10 Hiedelberger Druckmaschinen Ag Safety device in a zone for infeeding a web of material into a folder

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