US623662A - Foot pump - Google Patents
Foot pump Download PDFInfo
- Publication number
- US623662A US623662A US623662DA US623662A US 623662 A US623662 A US 623662A US 623662D A US623662D A US 623662DA US 623662 A US623662 A US 623662A
- Authority
- US
- United States
- Prior art keywords
- cap
- pump
- chamber
- stirrup
- plunger
- 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
- 239000002184 metal Substances 0.000 description 20
- 239000011324 bead Substances 0.000 description 14
- 238000010276 construction Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010985 leather Substances 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 101700074463 DERL1 Proteins 0.000 description 2
- 210000002445 Nipples Anatomy 0.000 description 2
- 230000001808 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
Definitions
- This invention relates to air-pumps, and
- the stirrup b has its upper ends arranged IO more especially to that class of air-pumps upon the sides of the chamber f of the cap which are used for inflating pneumatic tires f and is secured thereto by a rivet g, passed and are known as foot-pumps.
- my invention employ a novel cap upon of the stirrup and holes 7b in the sides of the the discharge end of the barrel or body of chamber f and these ends of the stirrup [5 the pump, and this said cap has attached to may be further secured to the sides of the it the stirrup, and it is also provided with a chamber of the cap f by solder or other menipple for the application of the flexible tubdium in order to make a perfectly tight and ing for conveying away the air.
- the plunger-rod means is afiorded for assembling and detach is provided with a knurled head to form a ing the parts of the pump. shoulder for the metal washer of the piston
- the pump plunger or piston '6 may be com- 25 and aseat to hold the bulter-spring in place.
- FIG. 4c is a cross-section of the cap, taken subfrom striking the rivet g in the descent of stantially at right angles to the View Fig. 2. the plunger, and so preserves said rivet from 5
- Fig. 5 is a perspective view of the cap dedistortion and the consequent loosening of tached.
- Fig. 6 is a top plan view of the cap the stirrup. and stirrup detached.
- Fig. 7 is an elevation
- the cap f may be struck up in dies or othof the inner end of the plunger-rod. erwise formed of sheet metal very expedi- The body or barrel a, the stirrup or foottiously and cheaply, as also may be the steel 40 rest I), the plunger-rod c, modified in concupk.
- a bead c is knurled into the plunger-rod flange j", which isinternally screw-threaded and forms a seat for the steel washer 'i and at to engage an external screw-thread on the the same time affords a place in which to fasbarrel or body of the pump, and it is further ten the buffer-spring e, and thus keep it from made with a hollow bead f projecting outrattling up and down.
- This construction is I00 50 wardly beyond the perimeter of the flange f.
- the end of f is a flange at the base of the hollow bead, the plunger-rod, which is the usual construction.
- the knurled head is shown as a groove having its opposite edges thrown out by displacement of the metal of the rod.
- the lower coil or coils of the buffer-spring engages or engage the bead, and thus said spring is held in place 011 the rod.
- a foot-pump having a bodyor barrel, a cap therefor constructed with a screw-threaded flange to engage a complemental screwthread on the body or barrel, said cap terminating in an exit-chamber, a stirrup having its ends applied to the sides of such chamber and a rivet passed through such ends and the cap, to rigidly unite the cap and stirrup, substantially as described.
- a foot-pump having a body or barrel, a cap therefor constructed with a screw-threaded flange to engage a complemental screwthread on the body or barrel, said cap terminating in an exit-chamber, a stirrup having its ends applied to the sides of the chamber and rigidly united with the cap by solder and a rivet, substantially as described.
- a foot-pu mp having a screw-cap for closing the bottom of the body or barrel, and constructed with a hollow bead, a washer therein and an exit-chamber, and a stirrup applied to the sides of said chamber and rigidlysecured to the cap by means of a rivet passed through the said stirrup and chamber, substantially as described.
- a foot-pump having a body or barrel, a cap struck up from sheet metal and constructed with a screw-threaded flange to engage a complemental screw-thread on the body or barrel, an exit-chamber having an outlet-nipple, a stirrup fitted to the sides of such chamber and secured to the capby a rivet, substantially as described.
- a foot-pump the combination of a body 01' barrel, a screw-cap for closing its lower end, a stirrup riveted to said screw-cap, and a plunger having a metal cup projecting below its lower end and adapted to come in contact with the screw-cap above said rivet to clear the descending plunger from said rivet, substantially as described.
- a body or'barrel having an exit-chamber, and a plunger having an inverted metal cup applied beneath the packing and serving to arrest the movement of the plunger with relation to the eXit-chamber,substantially as described.
Description
Patented Apr. 25, I899.
(No Model.)
JOHN H. GOS S, OF IVATERBURY, CONNECTICUT, ASSIGNOR TO THE SCOVILL I MANUFACTURING COMPANY, OF SAME PLACE.
FOOT-PUMP.
SPECIFICATION fbrming part of Letters Patent No. 623,662, dated April 25, 1899.
Application filed November 16, 1898. Serial No- 696,620. (No model.)
50 all whom, it may concern: which flange, in connection with the said Be it known that I, JOHN H. Goss, a citizen bead, receives the packing-ring f. (See Fig. of the United States, residing at Waterbury, 2.) The cap terminates in an angular or in the county of New Haven and State of Conother shaped chamber f and this chamber 5 necticut, have invented a certain new and is provided, preferably, with an inwardlyusefulImprovementin Foot-Pumps, of which projecting nipple j, which is internally the following is a full, clear, and exact descrew-threaded to receive the coupling of thescription. discharge-tube A.
This invention relates to air-pumps, and The stirrup b has its upper ends arranged IO more especially to that class of air-pumps upon the sides of the chamber f of the cap which are used for inflating pneumatic tires f and is secured thereto by a rivet g, passed and are known as foot-pumps. transversely through holes in the said ends In my invention I employ a novel cap upon of the stirrup and holes 7b in the sides of the the discharge end of the barrel or body of chamber f and these ends of the stirrup [5 the pump, and this said cap has attached to may be further secured to the sides of the it the stirrup, and it is also provided with a chamber of the cap f by solder or other menipple for the application of the flexible tubdium in order to make a perfectly tight and ing for conveying away the air. The pumprigid joint therewith; From this construcplunger is provided with a rigid (preferably tion it is obvious the stirrup and the cap f 20 steel) cup, which aids in holding the leather are rigidly secured and movable one with the in place and also serves to limit the downother and that by this construction a ready ward stroke of the plunger. The plunger-rod means is afiorded for assembling and detach is provided with a knurled head to form a ing the parts of the pump. shoulder for the metal washer of the piston The pump plunger or piston '6 may be com- 25 and aseat to hold the bulter-spring in place. posed of the usual metal washerz" and leather In the accompanying drawings, illustrating cup 2' and beneath this leather cup is a rigid my invention, in the several figures of which metal cup 76, which is secured to the rod eby like parts are similarly designated, Figure 1 means of a nut Z, secured upon a screwis a perspective View of the complete pump. threaded projection of the rod 6. This metal 30 Fig. 2 is a longitudinal section of the lower cup In, preferably of steel, is longer than the end of the pump. Fig. 3 is a perspective leather cup and comes into contact with the View, partly broken away, of the plunger-cup. packing-ring f and thus prevents the rod 6 Fig. 4c is a cross-section of the cap, taken subfrom striking the rivet g in the descent of stantially at right angles to the View Fig. 2. the plunger, and so preserves said rivet from 5 Fig. 5 is a perspective view of the cap dedistortion and the consequent loosening of tached. Fig. 6 is a top plan view of the cap the stirrup. and stirrup detached. Fig. 7 is an elevation The cap f may be struck up in dies or othof the inner end of the plunger-rod. erwise formed of sheet metal very expedi- The body or barrel a, the stirrup or foottiously and cheaply, as also may be the steel 40 rest I), the plunger-rod c, modified in concupk.
struction, as presently described, and its han- While I prefer to make a screw-thread c011- dle d and buffer-spring 6 may be otherwise of nection of the cap f with the body or barrel usual construction. of the pump, I do not limit my invention to The cap f for closing the lower end of the such connection.
45 barrel or body of the pump is made with a A bead c is knurled into the plunger-rod flange j", which isinternally screw-threaded and forms a seat for the steel washer 'i and at to engage an external screw-thread on the the same time affords a place in which to fasbarrel or body of the pump, and it is further ten the buffer-spring e, and thus keep it from made with a hollow bead f projecting outrattling up and down. This construction is I00 50 wardly beyond the perimeter of the flange f. cheaper than milling a shoulder 011 the end of f is a flange at the base of the hollow bead, the plunger-rod, which is the usual construction. The knurled head is shown as a groove having its opposite edges thrown out by displacement of the metal of the rod. The lower coil or coils of the buffer-spring engages or engage the bead, and thus said spring is held in place 011 the rod.
By the construction of the various parts described a very eilicient, strong, and durable foot-pump may be produced at comparatively small first cost.
hat I claim is 1. A foot-pump, having a bodyor barrel, a cap therefor constructed with a screw-threaded flange to engage a complemental screwthread on the body or barrel, said cap terminating in an exit-chamber, a stirrup having its ends applied to the sides of such chamber and a rivet passed through such ends and the cap, to rigidly unite the cap and stirrup, substantially as described.
2. A foot-pump, having a body or barrel, a cap therefor constructed with a screw-threaded flange to engage a complemental screwthread on the body or barrel, said cap terminating in an exit-chamber, a stirrup having its ends applied to the sides of the chamber and rigidly united with the cap by solder and a rivet, substantially as described.
A foot-pu mp, having a screw-cap for closing the bottom of the body or barrel, and constructed with a hollow bead, a washer therein and an exit-chamber, and a stirrup applied to the sides of said chamber and rigidlysecured to the cap by means of a rivet passed through the said stirrup and chamber, substantially as described.
4. A foot-pump, having a body or barrel, a cap struck up from sheet metal and constructed with a screw-threaded flange to engage a complemental screw-thread on the body or barrel, an exit-chamber having an outlet-nipple, a stirrup fitted to the sides of such chamber and secured to the capby a rivet, substantially as described.
5. In a foot-pump, the combination of a body 01' barrel, a screw-cap for closing its lower end, a stirrup riveted to said screw-cap, and a plunger having a metal cup projecting below its lower end and adapted to come in contact with the screw-cap above said rivet to clear the descending plunger from said rivet, substantially as described.
6. In a pump, a body or'barrel having an exit-chamber, and a plunger having an inverted metal cup applied beneath the packing and serving to arrest the movement of the plunger with relation to the eXit-chamber,substantially as described.
7. In a pump, the combination with the piston or plunger having a metal washer, of a buffer-spring, and a plunger-rod having a knurled bead forming a seat for the washer and a fastening for the buffier-spring, substantially as described.
In testimony whereof I have hereunto set my hand this 14th day of November, A. D. 1808.
JOHN II. GOSS.
\Vitnesscs:
EDWARD O. Goss, Gno. F. Iloncns.
Publications (1)
Publication Number | Publication Date |
---|---|
US623662A true US623662A (en) | 1899-04-25 |
Family
ID=2692267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US623662D Expired - Lifetime US623662A (en) | Foot pump |
Country Status (1)
Country | Link |
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US (1) | US623662A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2455946A (en) * | 1944-10-20 | 1948-12-14 | Peters & Russell Inc | Pump |
US4666378A (en) * | 1984-04-25 | 1987-05-19 | Mitsubishi Denki Kabushiki Kaisha | Diaphragm type pump device having a cushion member |
-
0
- US US623662D patent/US623662A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2455946A (en) * | 1944-10-20 | 1948-12-14 | Peters & Russell Inc | Pump |
US4666378A (en) * | 1984-04-25 | 1987-05-19 | Mitsubishi Denki Kabushiki Kaisha | Diaphragm type pump device having a cushion member |
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