Lost motion tool retainer

Details Lost motion tool retainer Lost motion tool retainer

1978-08-07

1980-11-04

Briggs, William R.

Chucks or sockets

Socket type

Lost motion

279 19, 279 196, B23B 3102

Patent

active

042315808

ABSTRACT:
The invention permits the interchangeability of a variety of shifters on the same housing of a jack hammer. The one piece housing is provided with two appropriately placed lugs with coaxial holes which intersect with the central bore of the housing. By utilizing an appropriate sleeve, this housing can be used regardless of whether a spring pin type or a latch type shifter is used. With a spring pin shifter, the coaxial holes are used to lock the shifter in place and thereby contain the tool within the sleeve. With a latch type shifter, a groove in the sleeve is aligned with the coaxial holes permitting the insertion of a pin to hold the sleeve in the housing. Flanges on the sleeve provide the appropriate mounting means for the latch.

REFERENCES:
patent: 981899 (1911-01-01), Taylor
patent: 1227117 (1917-05-01), Christiansen
patent: 1755269 (1930-04-01), Pearson
patent: 1770680 (1930-07-01), Tuttle
patent: 1776922 (1930-09-01), Naismith
patent: 1832471 (1931-11-01), Nell
patent: 2572840 (1951-10-01), Curtis
patent: 3356166 (1967-12-01), Diachenko
patent: 3865198 (1975-02-01), Price
patent: 3910590 (1975-10-01), Ekstrom

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