US1195196A - Enstein - Google Patents

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US1195196A
US1195196A US1195196DA US1195196A US 1195196 A US1195196 A US 1195196A US 1195196D A US1195196D A US 1195196DA US 1195196 A US1195196 A US 1195196A
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joint
wire
bayonet
projections
pins
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/24Couplings of the quick-acting type in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet action
    • F16L37/244Couplings of the quick-acting type in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet action the coupling being co-axial with the pipe
    • F16L37/252Couplings of the quick-acting type in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet action the coupling being co-axial with the pipe the male part having lugs on its periphery penetrating in the corresponding slots provided in the female part

Description

W. B. FRANKENSTEIN.
BAYONET JOINT.
APPLICATION FILED 0CT.8,1915.
l l 95, 1 96 Patented Aug. 22, 1916.
Fig.1.
HITHWBHIE IDB2 I by m & AW
nurrnn STATES PA ENT ornrcn.
WILLIAM B. FRANKENSTEIN, OF ROCHESTER, NEW YORK, ASSIGNOR TO PRITCHARD STAMPING COMPANY, OF ROCHESTER, NEW YORK, A CORPORATION OF NEW YORK.
BAYONET-JOINT.
Application filed October 8, 1915.
To all whom it may concern:
Be it known that I, WILLIAM B. FRANK- ENSTEIN, a citizen of the United States, and resident of Rochester, in the county of Monroe and State of New York, have invented certain new and useful Improvements in Bayonet-Joints, of which the followingis a specification.
This invention relates to a bayonet-joint such as is used for securing together two cylindrical sheet-metal members, the invention being particularly designed for use in' connection with lanterns, though applicable to other purposes.
The object of the invention is to produce a bayonet-joint of simple and inexpensive construction, which shall be convenient and reliable in use. To this end I employ, in connection with an outer joint-member which is in the form of a sheet-metal cup or ring, a wire which constitutes both a reinforcement for the upper edge 01": this outer member, and also means for cooperating with the other joint-member in the novel manner hereinafter described.
In the accompanying drawings: Figure 1 is a side-elevation of a portion of a lantern embodying the present invention; Fig. 2 is a perspective view of a part of the lantern embodying the outer member of the bayonetjoint; and Fig. 3 is a section on the line 33 in Fig. 1.
The invention is illustrated as embodied in a joint which secures the base or cup of a lantern to the body-ring or hoop. This body-ring 5 has a lower portion of reduced diameter, as shown particularly in Fig. 3, which constitutes the inner joint-member, while the outer joint-member 6 is embodied in the upper part of the base or cup which supports the oil-font of the lantern. The inner member 5 is provided with radial projections in the form of twopins 7 diametrically arranged, and in order to receive these pins the upper margin of the outer member 6 is cut away, at two opposite points, to form recesses 8. The upper edge of the outer member is reinforced by means of a Specification of Letters Patent.
Patented Aug. 22, 1916.
Serial No. 54,899.
wire, which is rolled into the edge in the usual manner. Above the recesses 8 the wire has portions 9 which cooperate with the pins 7, when the two joint-members are locked together, as shown in Fig. 1. In order to permit the members to be brought to this position the wire is outwardly bent or oflset at two points 10, as shown in Fig. 2, and after the outer member has been raised against the shoulder on the inner member, the pins at this time entering through the recessed portions 10 of the wire, the outer member is given a partial rotation in a right-hand direction, so as to bring the parts 9 of the wire above the pins, thus locking the two joint-members together.
In order to prevent accidental disengagement of the bayonet-joint members in a lantern it is customary to provide a springcatch of some form. In accordance with the present invention this catch is formed cheaply and conveniently of one end of the above-described wire. For this purpose the Wire is bent, near its end, first downwardly and then horizontally, as shown in Fig. 2, and is provided with curved downwardly and upwardly extending offsets 12 and 13, respectively. The space between the offset 13 and the part 9 of the wire is less than the thickness of the pins 7 but, owing to the resiliency of the wire, either of the pins may be caused to enter between these parts and to be engaged by, and seated in, the offset 12, as shown in Fig. 1. The reverse rotation of the parts is then resisted by the engagement of the offset 13 with the pin, although the user may readily disengage the parts by forcibly rotating them, owing to the resiliency of the wire.
I claim 1. In a bayonet-joint, the combination of an inner member provided with radial projections; an outer member, of sheet-metal, having elongated recesses at its upper margin to receive said projections; and a wire rolled in the upper edge of the outer member extending over the recesses therein so as to cooperate with said projections, and outwardly bent to permit the wire to be positioned above said projections.
2. In a bayonet-joint, the combination of an inner member provided with radial projections; an outer member, of sheet-metal, recessed at its upper margin to receive said projections; and a wirerolled in the upper edge of the outer member and crossing the recesses therein so as to cooperate with said projections, one end of the Wire being 10 formed into a spring-catch to cooperate With one of the projections and prevent accidentql rotation of the joint-members.
WILLIAM B. FRANKENSTEIN.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.
US1195196D Enstein Expired - Lifetime US1195196A (en)

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