USRE9800E - swift - Google Patents

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Publication number
USRE9800E
USRE9800E US RE9800 E USRE9800 E US RE9800E
Authority
US
United States
Prior art keywords
drum
fingers
envelope
tho
swift
Prior art date
Application number
Other languages
English (en)
Inventor
Henry D. Swift
Original Assignee
G
Publication date

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  • Figure 1 is an end elevation Fig. 2, a side view of two projecting fingers; Fig. 3, a sec tion of two projecting fingers on the line X X, Fig. 5; Fig. 4, a side elevation of the drum, showing fingers, ratchet and pawl, &c.; Fig. 5, a horizontal section of the drum and flanges; Fig'. 6, a side elevation'of eccentric link Fig. 7, an end elevation of eccentric link.
  • This invention consists of certain improvements in the folding and drying apparatus of envelopemachines, which are described and represented as applied to the improved machines patented by us heretofore-to wit, on February 22, 1876, and on December 26,1876- though the same may be advantageously applied to other forms of that class of envelopemachines in which gum is applied to the sealflaps of the envelopes after they are placed in the machine.
  • a drum, 1) which is caused to revolve with an intermittent mo- I tion upon a shaft,'S.
  • On the rim or lateral surface o'fthis drum are rigidly fitted projecting fingersF F, &c., at equal distances from one anof the drum.
  • Each finger is of a length and width corresponding to the size of a folded euvelope, and has two or more short projections, 1 z, &c., so that an envelope may be held in the space between two consecutive fingers and no pressure be exerted on the recentlygummed parts whilethe gum on the seal'flap is drying.
  • the fingers F F, disc) are prefcr- 5 ably fastened rigidly to the drum, and are 1 made of such a shape and are set at such a i I turn movement of the carrying-frame.
  • the drum D supported on its shaft S, is attached by hangers to the frame A of the machine, at such height and distance from the frame that the carrying-frame C, in its forward motion-i. e.,when moving toward the drummay deliver a folded envelope, which itbrin gs from the folding mechanism B, into a space between the fingers FF, and-in its return movement may take a dry envelope from the space above and carry it to the plate T, by which it is transferred to the curved receiver.
  • the brake V attached to a projection on the flange E by screws 6%, and regulated by the screw 1, in combination with the drum D, having fixrd. projecting fingers, substantially as shown amldencribed.

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