US216086A - Improvement in pulsating stencil-pens - Google Patents

Improvement in pulsating stencil-pens Download PDF

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US216086A
US216086A US216086DA US216086A US 216086 A US216086 A US 216086A US 216086D A US216086D A US 216086DA US 216086 A US216086 A US 216086A
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pulsating
stencil
improvement
pens
piston
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    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass

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  • Our invention relates to that class of machines which communicate power from a fixed machine or wheel by means of pulsations of air through a flexible connection, causing a very rapid synchronous motion in a pulsating bar, to which may be attached a stencil-pen, dental plugger, or similar contrivance. This we do by causing the pulsations to operate on and set in motion a piston, to which is attached the pulsating bar.
  • Figure 1 represents the bellows and the machinery necessary to operate the same, the flexible tube, and the pen attached.
  • Fig. 2 is a longitudinal section of the pen, showing the construction and operation of the cylinder, piston, and thrust'bar.
  • A is a small bellows or elastic air-chamber, the head or end a being fixed and the end I) loose, and operated on by the rod B, connected with an eccentric upon the shaft to which the pulley Ois attached. From the endaofthebet lows projects a small tube, (1, to which is attached the flexible tube F, leading to and attached to the pen G.
  • f is an air-tube leading to the air-chamber g h, another air-tube to the cylinderi l k, a tube leading to and terminating in the pencilpoint 1.
  • the spring 2 is attached to the lower or bottom end of the air-tube 7a,. which can be inserted farther into the cylinder 11 or drawn out, and is confined in place by the set screw S, thus increasing or diminishing the length of stroke to the piston m, the longer stroke having more force.
  • Openings t are made in the bottom of the cylinder z to admit the atmospheric pressure.

Description

J. H. GUNNING 86 B. WEILAND.
- Pulsating Stencil-Pen.
Patented June 3, I879.
UNITED STATES PATENT OFFICE.
JOSIAH H. GUNNING AND HARRY B. WEILAND, OF TITUSVILLE, PA.
IMPROVEMENT IN PULSATING STE NClL-PENS.
Specification forming part of Letters Patent No. 216,086, dated J rule 3, 1879 application filed March To all whom it may concern:
Be it known that we, J OSIAH H. GUNNING and HARRY B. WEILAND, of Titusville, Crawford county, Pennsylvania, have invented an Improvement in the Manner of Operating a Pulsating Stencil-Pen or similar Machine, of which the following is a specification.
Our invention relates to that class of machines which communicate power from a fixed machine or wheel by means of pulsations of air through a flexible connection, causing a very rapid synchronous motion in a pulsating bar, to which may be attached a stencil-pen, dental plugger, or similar contrivance. This we do by causing the pulsations to operate on and set in motion a piston, to which is attached the pulsating bar.
The drawings accompanying this specification represent our invention as applied to operate a stencil-pen, the same being applicable to many other mechanical devices where a rapid reciprocating motion is required.
Figure 1 represents the bellows and the machinery necessary to operate the same, the flexible tube, and the pen attached. Fig. 2 is a longitudinal section of the pen, showing the construction and operation of the cylinder, piston, and thrust'bar.
A is a small bellows or elastic air-chamber, the head or end a being fixed and the end I) loose, and operated on by the rod B, connected with an eccentric upon the shaft to which the pulley Ois attached. From the endaofthebet lows projects a small tube, (1, to which is attached the flexible tube F, leading to and attached to the pen G.
f is an air-tube leading to the air-chamber g h, another air-tube to the cylinderi l k, a tube leading to and terminating in the pencilpoint 1.
In the cylinder i is the piston m, working loosely, and attached to the needle-bar n, the needle-bar ending at the bottom in the needlepoint 0.
p p are recoil-springs placed inside the cylinders, above and below the piston, against which the piston cushions, thus checking the motion without jar or noise, and assisting the rebound. The spring 2 is attached to the lower or bottom end of the air-tube 7a,. which can be inserted farther into the cylinder 11 or drawn out, and is confined in place by the set screw S, thus increasing or diminishing the length of stroke to the piston m, the longer stroke having more force.
Openings t are made in the bottom of the cylinder z to admit the atmospheric pressure.
We claim as our invention The described arrangement and combination of the air-tubes f and 71/, cylinder 41, piston m, adjustable recoil-springs p p,-and reciproeating bar a, the piston being actuated by pulsations or air-waves communicated through the flexible tube F, the whole operating substantially as described, and for the purposes herein set forth.
JOSIAH H. GUNNING. HARRY B. VVEILAND.
Witnesses J. W. GRAHAM, A. B. HOWLAND.
US216086D Improvement in pulsating stencil-pens Expired - Lifetime US216086A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805716A (en) * 1952-08-08 1957-09-10 Charney Joseph Perforator
US4665912A (en) * 1985-08-09 1987-05-19 Waters Instruments, Inc. Skin marking device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805716A (en) * 1952-08-08 1957-09-10 Charney Joseph Perforator
US4665912A (en) * 1985-08-09 1987-05-19 Waters Instruments, Inc. Skin marking device

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