US1478953A - Guard - Google Patents
Guard Download PDFInfo
- Publication number
- US1478953A US1478953A US479813A US47981321A US1478953A US 1478953 A US1478953 A US 1478953A US 479813 A US479813 A US 479813A US 47981321 A US47981321 A US 47981321A US 1478953 A US1478953 A US 1478953A
- Authority
- US
- United States
- Prior art keywords
- governor
- guard
- hood
- shaft
- same
- 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
Links
- 238000010276 construction Methods 0.000 description 3
- BZUZJVLPAKJIBP-UHFFFAOYSA-N 6-amino-1,2-dihydropyrazolo[3,4-d]pyrimidin-4-one Chemical compound O=C1N=C(N)N=C2NNC=C21 BZUZJVLPAKJIBP-UHFFFAOYSA-N 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- ORILYTVJVMAKLC-UHFFFAOYSA-N Adamantane Natural products C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P1/00—Safety devices independent of the control and operation of any machine
- F16P1/02—Fixed screens or hoods
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/219—Guards
- Y10T74/2191—Guards for rotary member
Definitions
- This invention relates to a guard for ma o chinery and refers more particularly to a guard for speed governors, the principal ob ject in view residing in the provision of a means for supporting the guard relative to the governor whereby the same may be read- 15 ily moved to an out of way position when it is necessary to obtain adjustments of the governor or repairs thereto.
- the guard means for the governor consists of a conical cage 12 sup- Fig. 3 is a perspective view of a slightly secured thereto a sleeve 14; slidably arranged on the shaft 13 and designed to coact with an abutment 15 upon the lower extremity of the shaft.
- the means for raising or lowering the hood consists of a flexible element or cable 16 connected at one'extremity 17 to the sleeve of the hood and trained over a pulley 18 supported from the superposed.
- the guard hood or cage 12 may be lifted or lowered by the cable 16 to uncover or cover the governor. In its normal covering or lowered position the hood operates to prevent the clothing from becoming entangled in the governor or in the event of breakage the flying of the weights from the governor arms or springs.
- the shaft 13 functions to guide the hood or guard 12 in its movements to insure the proper relative position of the same with respect to the governor.
- the abutment 15 serves to limit the downward movement of the hood and support to hold the same in proper relative position with respect to the guard normally.
- the modified construction illustrated in Fig. 8 is especially designed where the ma chine is installed in a room or factory having an extremely high ceiling, or in other places where it would be impossible or impractical to suspend a shaft from above the governor.
- the hood 12 is provided with tubular guide sleeves 20 extending from diametrically opposite points of its lower peripheral edge and suitable upstanding guide rods 21 are received thereby, the same being supported from their lower extremities from the machine or any other suitable support such as the bracket arms 22.
- Thejuncture of the guide rods with the bracket arms provides an abutment or stop 23 at the lower end of the guide rods with which the tubular sleeves 20 are adapted to coact to limit the downward movement of the hood.
- the upper extremities of the guide rods are provided with sleeves or abutments 24 which limit the upward movement of the hood and prevent its axial or accidental displacement.
- the head may be either raised by hand or may be attached to a flexible element, or cable 25 for the purpose of lifting the same.
- a bracket secured in superposed relation to the governor, a rod depending therefrom and disposed in axialalignment with theaxis l0 oi the governor, a collar slidably arranged on' said rod, means supported from said bracket and secured to the collar for moving the latter with respect to the governor, and a wire guard adapted to cover said governor secured on said collar;
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Description
Patented Dec. 25, 1923.
UNITED STATES v aste PATENT OFFICE.
LEONARD HAP? AND EDWARD ADAllI HAPP, OF BROOKLYN, NEW YORK.
GUARD.
.Application filerl Julie 23, 1921. Serial No. 479,813.
To all whom it may concern:
Be it known that we, LEONARD HAPP and EDWARD ADAM HAPI, citizens of the United States, and residents of the city of New York. borough of Brooklyn, in the county of;
Kings and State of New York, have invented a new and Improved Guard, of which the following is a full, clear, and exact description.
This invention relates to a guard for ma o chinery and refers more particularly to a guard for speed governors, the principal ob ject in view residing in the provision of a means for supporting the guard relative to the governor whereby the same may be read- 15 ily moved to an out of way position when it is necessary to obtain adjustments of the governor or repairs thereto.
Afurther object resides in the provision of a guard means of the character described which 2.0 is extremely simple in its construction, in-
expensive to manufacture, and which is highly efficient and thoroughly reliable in its operation and purpose.
With the above recited and other objects 25 in view, the invention resides in the novel construction, combination and arrangement of parts set forth in the following specihca; tion, pointed out in the appended claim and illustrated in the accompanying drawings, 30 it being understood that variations and modmodified form of the invention.
Referring to the drawings by characters of reference, designates a speed governor of any approved type mounted on a rotary shaft 11 for controlling and governing the speed thereof. The guard means for the governor consists of a conical cage 12 sup- Fig. 3 is a perspective view of a slightly secured thereto a sleeve 14; slidably arranged on the shaft 13 and designed to coact with an abutment 15 upon the lower extremity of the shaft. The means for raising or lowering the hood consists of a flexible element or cable 16 connected at one'extremity 17 to the sleeve of the hood and trained over a pulley 18 supported from the superposed.
support for the shaft. By this arrangement the guard hood or cage 12 may be lifted or lowered by the cable 16 to uncover or cover the governor. In its normal covering or lowered position the hood operates to prevent the clothing from becoming entangled in the governor or in the event of breakage the flying of the weights from the governor arms or springs. The shaft 13 functions to guide the hood or guard 12 in its movements to insure the proper relative position of the same with respect to the governor. The abutment 15 serves to limit the downward movement of the hood and support to hold the same in proper relative position with respect to the guard normally.
The modified construction illustrated in Fig. 8 is especially designed where the ma chine is installed in a room or factory having an extremely high ceiling, or in other places where it would be impossible or impractical to suspend a shaft from above the governor. In such cases, and as illustrated in the modified form, the hood 12 is provided with tubular guide sleeves 20 extending from diametrically opposite points of its lower peripheral edge and suitable upstanding guide rods 21 are received thereby, the same being supported from their lower extremities from the machine or any other suitable support such as the bracket arms 22. Thejuncture of the guide rods with the bracket arms provides an abutment or stop 23 at the lower end of the guide rods with which the tubular sleeves 20 are adapted to coact to limit the downward movement of the hood. The upper extremities of the guide rods are provided with sleeves or abutments 24 which limit the upward movement of the hood and prevent its axial or accidental displacement. The head may be either raised by hand or may be attached to a flexible element, or cable 25 for the purpose of lifting the same.
.It will thus be seen that a simple and in expensive guard is provided which is movably mounted with respect to a governor whereby the same may be readily shifted to an out of the way position for efiecting repairs or adjustments to the governor ele ments.
Having thus described our invention What 5 we claim is:
In a protective device for speed governors, a bracket secured in superposed relation to the governor, a rod depending therefrom and disposed in axialalignment with theaxis l0 oi the governor, a collar slidably arranged on' said rod, means supported from said bracket and secured to the collar for moving the latter with respect to the governor, and a wire guard adapted to cover said governor secured on said collar;
LEONARD HAPP. EDWARD ADAM HAPP.
Witness: 7 7
JOHN A. BRENDEL.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US479813A US1478953A (en) | 1921-06-23 | 1921-06-23 | Guard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US479813A US1478953A (en) | 1921-06-23 | 1921-06-23 | Guard |
Publications (1)
Publication Number | Publication Date |
---|---|
US1478953A true US1478953A (en) | 1923-12-25 |
Family
ID=23905552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US479813A Expired - Lifetime US1478953A (en) | 1921-06-23 | 1921-06-23 | Guard |
Country Status (1)
Country | Link |
---|---|
US (1) | US1478953A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4210213A (en) * | 1978-03-20 | 1980-07-01 | Louviere Huey P | Kelly bushing guard |
US6099191A (en) * | 1998-10-08 | 2000-08-08 | Werner; Raymond W. | Power take off shaft safety retainer |
US20080283303A1 (en) * | 2007-05-18 | 2008-11-20 | Bbj Tools Inc. | Safety net for a drill rig |
-
1921
- 1921-06-23 US US479813A patent/US1478953A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4210213A (en) * | 1978-03-20 | 1980-07-01 | Louviere Huey P | Kelly bushing guard |
US6099191A (en) * | 1998-10-08 | 2000-08-08 | Werner; Raymond W. | Power take off shaft safety retainer |
US20080283303A1 (en) * | 2007-05-18 | 2008-11-20 | Bbj Tools Inc. | Safety net for a drill rig |
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