TELESCOPING ARROW

• US 3,759,519 A
• Filed: 03/22/1972
• Issued: 09/18/1973
• Est. Priority Date: 03/22/1972
• Status: Expired due to Term

• Current Assignee: James R. Palma
• Original Assignee: James R. Palma
• Inventors: Palma, James R.
• Primary Examiner(s): Pinkham, Richard C.
• Assistant Examiner(s): Shapiro, Paul E.
• Application Number:
  US05/236,824
• Time in Patent Office: 545 Days
• Field of Search: 273/106.5,73,68,80 30/162
• US Class Current: 473/578
• CPC Class Codes: F42B 12/362 Arrows or darts F42B12/38 takes precedence, having means for implantation, e.g. hypodermic projectiles F42B12/54; arrows or darts in general F42B6/00
• CPC Class Codes: F42B 6/04 Archery arrows F42B6/08, F41B5/06, F42B12/362 take precedence

Abstract

A telescoping arrow assembly comprised of a longitudinal body portion, which is provided with an axial cavity into which extends an arrow tip portion normally retained in a retracted position in the cavity by a resiliently biased manually releasable detent; an energy storing spring is provided at the bottom of the axial cavity and is held in a compressed state when the detent engages a shoulder on the rear end of the arrow tip portion in its retracted position. Upon release of the detent the spring will propel the arrow tip portion outwardly of the cavity into an extended ready position at the front of the body portion is a second detent which engages the shoulder on the rear end of the arrow tip portion to limit forward movement of the tip. A pair of resilient catch fingers are cantilevered outwardly from the front end of the body portion. They engage rearwardly facing notches along the rear part of the tip portion to keep the tip from retracting into the body portion. A resilient washer is located towards the rear end of the body portion cavity and engages a tapered groove on the tip portion to position the tip portion within the cavity.

Claims

1. A telescoping arrow comprising:

a tubular body having a longitudinal cavity therein;

a shaft displaceable in said cavity lengthwise of the body between a retracted position in which most of the length of the shaft is contained within said cavity in the body and an extended position in which most of the length of the shaft projects forward beyond the body, said shaft having a forwardly-facing transverse shoulder adjacent its rear end and having one or more rearwardly-facing transverse shoulders located forward from said forwardly-facing shoulder;

first manually releasable catch means on the body at its back end engaging said forwardly-facing shoulder on the shaft to hold the latter retracted;

energy storage propulsion means in the body for propelling the shaft forward to its extended position when said first catch means is released manually;

second manually releasable, spring-biased, catch means on the body which automatically engages said forwardly-facing shoulder on the shaft when it moves forward from said retracted position to its extended position, so as to prevent its complete removal from said body; and

detent means on the body which is resiliently biased to engage at least one of said rearwardly-facing shoulders on the shaft when the latter moves forward to its extended position so as to hold the shaft against retraction back into the body, said detent means and said second catch means together positioning the shaft radially with respect to said body and holding the shaft substantially rigidly in its extended position against either forward or rearward movement along said body, and said detent means being manually releasable to permit the shaft to be returned to its retracted position.

2. An arrow according to claim 1, wherein said shaft is loosely received in said cavity in the body and has a tapered peripheral groove thereon located forward from said forwardly-facing shoulder, and further comprising an annular resilient washer seated in said cavity in said body and having a tapered annular inner edge which is received in said groove to position the shaft radially of said cavity when in its retracted position.

3. An arrow according to claim 1, wherein said first catch means includes an operating button located behind the back end of said body and depressable either manually or by a bow string to actuate said first catch means to disengage from said forwardly-facing shoulder on the shaft.

4. An arrow according to claim 3, wherein said first catch means is spring-biased to a position for engagement automatically with said forwardly-facing shoulder on the shaft when the latter is retracted from its extended position.

5. An arrow according to claim 4, wherein said shaft is loosely received in said cavity in the body and has a tapered peripheral groove thereon between said forwardly-facing and rearwardly-facing shoulders, and further comprising an annular resilient washer seated in said cavity in said body and having a tapered annular inner edge which is received in said groove to position the shaft radially of said cavity when in its retracted position.

6. An arrow according to claim 1, wherein said shaft has forwardly and inwardly inclined notches immediately behind said rearwardly-facing shoulders;

and said detent means comprises resilient members which are attached to said body in cantilever fashion and extend forward therefrom and terminate at their front ends in forwardly and inwardly inclined fingers which are received snugly in said notches in the shaft.

7. An arrow according to claim 6, wherein said first catch means is spring-biased to a position for engagement automatically with said forwardly-facing shoulder on the shaft when the latter is retracted from its extended position, and said first catch means includes an operating button located behind the back end of said body and depressable either manually or by a bow string to actuate said first catch means to disengage from said forwardly-facing shoulder on the shaft.

8. An arrow according to claim 7, wherein said shaft has a tapered groove peripheral thereon between said forwardly-facing and rearwardly-facing shoulders, and further comprising an annular resilient washer seated in said cavity on the body having a tapered annular inner edge which is received in said groove to position the shaft radially of said cavity when in its retracted position.

9. A telescoping arrow comprising:

a tubular body having a longitudinal cavity therein which is open at its forward end;

a shaft loosely received lengthwise in said cavity and movable therealong between a retracted position in which most of the length of the shaft is contained within said cavity in the body and an extended position in which most of the length of the shaft projects forward beyond the body, said shaft having a tapered peripheral groove thereon near its back end;

means for propelling said shaft forward along the body from its retracted position to its extended position;

manually releasable catch means for retaining the shaft in its retracted position; and

a resilient member seated in said cavity in said body and having a tapered inner edge portion received in said tapered groove on the shaft to position the shaft radially of said cavity when in its retracted position.

10. A telescoping arrow comprising:

a tubular body having a longitudinal cavity therein which is open at its forward end;

a shaft loosely received lengthwise in said cavity and displaceable therealong between a retracted position in which most of the length of the shaft is contained within said cavity in the body and an extended position in which most of the length of the shaft projects forward beyond the body, said shaft having a forwardly-facing shoulder thereon near its back end and having forwardly and inwardly inclined notches located forward from said shoulder;

means for propelling said shaft forward along the body from its retracted position to its extended position;

means for releasably retaining the shaft in its retracted position;

a pair of circumferentially-spaced catch members on said body toward its forward end which are spring-biased inward to engage said shaft at said shoulder to limit its forward movement and to restrain the shaft against displacement radially of said body when in its extended position; and

a pair of circumferentially-spaced resilient detent members which are attached to said body in cantilever fasion and extend forward therefrom and terminate at their front ends in forwardly and inwardly inclined fingers which are received snugly in said notches in the shaft in the latter'"'"''"'"'s extended position to hold the shaft against retraction axially.