US1179309A - Winding-drum for glass-drawing apparatus. - Google Patents
Winding-drum for glass-drawing apparatus. Download PDFInfo
- Publication number
- US1179309A US1179309A US4381115A US4381115A US1179309A US 1179309 A US1179309 A US 1179309A US 4381115 A US4381115 A US 4381115A US 4381115 A US4381115 A US 4381115A US 1179309 A US1179309 A US 1179309A
- Authority
- US
- United States
- Prior art keywords
- drum
- glass
- winding
- drawing apparatus
- speed
- 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
- 238000004804 winding Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 3
- 239000006060 molten glass Substances 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
- G03D13/00—Processing apparatus or accessories therefor, not covered by groups G11B3/00 - G11B11/00
- G03D13/02—Containers; Holding-devices
- G03D13/04—Trays; Dishes; Tanks ; Drums
- G03D13/046—Drums; Films convolutely fixed on the side of the drum
Definitions
- a TTOR/VEYS a winding drum having certain means UNITED STATES PATENT orrror.
- the object of my invention is to provide whereby the speed of. movement of the cable wound thereon may be abruptly increased at the start and end of its movement, for the purpose of abruptly increasing the speed of vertical movement of the bait carrying cage at the start and finish of the drawing operation, the accomplishment of which obj ect results in the first instance in withdrawing the bait from the molten glass immediately after it is lowered thereinto, to a point above the level of the molten glass, allowing the glass to cool and form a seat within the bait as is well known, without allowing the bait to become too hot as the case when regular speed of the motor is used.
- the accom plishment of the above object results in an abrupt increase in the speed of upward movement at the finish of the drawing operation, so that during the cutting off of the finished cylinder at a point immediately above the level of the molten glass by fire and flame, the cylinder is drawn thin and. materially less breakage results during the cut-ofl of the cylinder due to this fact.
- the drum is lndicated at A and is preferably grooved throughout as particularly shown in Fig. 1, for the purpose of insuring proper seating of the cable wound thereon, the drum being generally conical in shape.
- drums of this character being secured to the drums in such manner that the grooves b and ,0 thereof form portions or eontinuations of the cable guiding groove it of the drum itself.
- a winding drum having a conical grooved cable-engaging surface, and rigid cam members secured thereto adjacent its opposite ends and provided with grooves forming whereby to automatically and abruptly increase the speed of movement of thecable at the beginning and ending of the winding operation, the cam adjacent the smaller end of the drum corresponding to the start of the winding operation and being substantially smaller than that at the other end.
Description
APPLICATION FILED AUG-5,1915.
Pdtented Apr. 11, 1916.
A. mvmm I WWII/E8858: I
r By
A TTOR/VEYS a winding drum having certain means UNITED STATES PATENT orrror.
SETH B. HENSHAW, OF CHARLESTON, WEST VIRGIN-IA ASSIGNOR TO CHARLESTON WINDOW GLASS 00., OF CHARLESTON, WEST VIRGINIA, A CORPORATION OF WEST VIRGINIA.
WINDING-DRUM FOR GLASS-DRAWING APPARATUS.
Specification of Letters Patent. Patented A 11 1916 Application filed August 5, 1915. Serial No. 43,311.
facture of window glass, and more particu-' larly to a winding drum forming part of the hoisting mechanism, the cable of which is, as well known, connectedto the vertically moving cage operating above the well or drawing chamber of the glass furnace and upon which the bait isseated to draw a cylinder of glass from the Well or drawing chamber just mentioned.
The object of my invention is to provide whereby the speed of. movement of the cable wound thereon may be abruptly increased at the start and end of its movement, for the purpose of abruptly increasing the speed of vertical movement of the bait carrying cage at the start and finish of the drawing operation, the accomplishment of which obj ect results in the first instance in withdrawing the bait from the molten glass immediately after it is lowered thereinto, to a point above the level of the molten glass, allowing the glass to cool and form a seat within the bait as is well known, without allowing the bait to become too hot as the case when regular speed of the motor is used. In the second instance, the accom plishment of the above object results in an abrupt increase in the speed of upward movement at the finish of the drawing operation, so that during the cutting off of the finished cylinder at a point immediately above the level of the molten glass by fire and flame, the cylinder is drawn thin and. materially less breakage results during the cut-ofl of the cylinder due to this fact.
In the accompanying drawing I have shown a winding drum of the type utilized in apparatus above outlined, provided with my'improvement which will be better understood from the following description, referrmg to this drawing, and. in which latter Figure l is a side elevation of the winding drum provided with my improvement] Fig. 2 is an end elevation looking at the larger end of the drum, and Fig. 3 is a similar View looking at the smaller end of the drum.
Referring now to these figures, the drum is lndicated at A and is preferably grooved throughout as particularly shown in Fig. 1, for the purpose of insuring proper seating of the cable wound thereon, the drum being generally conical in shape.
' In accordance with my invention I rovide the windin drum with a pair 0 eccentrics B and respectively adjacent its small and large ends, these eccentrics being provided with grooves 12 and 0 respectively,
,-and being secured to the drums in such manner that the grooves b and ,0 thereof form portions or eontinuations of the cable guiding groove it of the drum itself. I am thus enabled by the use of drums of this character to automatically and abruptly increase the speed of movement of a cable wound upon the drum at the start and finish of hoisting. operations, and to accomplish the objects set out above, as well as obtain the advantages incident thereto. I claim A winding drum having a conical grooved cable-engaging surface, and rigid cam members secured thereto adjacent its opposite ends and provided with grooves forming whereby to automatically and abruptly increase the speed of movement of thecable at the beginning and ending of the winding operation, the cam adjacent the smaller end of the drum corresponding to the start of the winding operation and being substantially smaller than that at the other end.
SETH B. HENSHAW.
Witnesses:
A. BLACK, S. Rxonmo'ezs.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4381115A US1179309A (en) | 1915-08-05 | 1915-08-05 | Winding-drum for glass-drawing apparatus. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4381115A US1179309A (en) | 1915-08-05 | 1915-08-05 | Winding-drum for glass-drawing apparatus. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1179309A true US1179309A (en) | 1916-04-11 |
Family
ID=3247295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US4381115A Expired - Lifetime US1179309A (en) | 1915-08-05 | 1915-08-05 | Winding-drum for glass-drawing apparatus. |
Country Status (1)
Country | Link |
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US (1) | US1179309A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4600352A (en) * | 1984-07-18 | 1986-07-15 | Gulf & Western Manufacturing Company | Spare tire handling mechanism |
US5746382A (en) * | 1994-08-05 | 1998-05-05 | Daiwa Seiko, Inc. | Fishing spinning reel with spool having tapered portion and guide |
US20070137801A1 (en) * | 2005-10-18 | 2007-06-21 | Paul Kicher | Garage door operating apparatus and methods |
US11390500B2 (en) * | 2019-04-26 | 2022-07-19 | Engineered Hardware, Llc | Drive drum for overhead doors |
-
1915
- 1915-08-05 US US4381115A patent/US1179309A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4600352A (en) * | 1984-07-18 | 1986-07-15 | Gulf & Western Manufacturing Company | Spare tire handling mechanism |
US5746382A (en) * | 1994-08-05 | 1998-05-05 | Daiwa Seiko, Inc. | Fishing spinning reel with spool having tapered portion and guide |
US20070137801A1 (en) * | 2005-10-18 | 2007-06-21 | Paul Kicher | Garage door operating apparatus and methods |
US8025090B2 (en) * | 2005-10-18 | 2011-09-27 | Paul Kicher | Garage door operating apparatus and methods |
US11390500B2 (en) * | 2019-04-26 | 2022-07-19 | Engineered Hardware, Llc | Drive drum for overhead doors |
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